Mini Shell

<?php
/**
 * WordPress Post Administration API.
 *
 * @package WordPress
 * @subpackage Administration
 */

/**
 * Renames `$_POST` data from form names to DB post columns.
 *
 * Manipulates `$_POST` directly.
 *
 * @since 2.6.0
 *
 * @param bool       $update    Whether the post already exists.
 * @param array|null $post_data Optional. The array of post data to process.
 *                              Defaults to the `$_POST` superglobal.
 * @return array|WP_Error Array of post data on success, WP_Error on failure.
 */
function _wp_translate_postdata( $update = false, $post_data = null ) {

	if ( empty( $post_data ) ) {
		$post_data = &$_POST;
	}

	if ( $update ) {
		$post_data['ID'] = (int) $post_data['post_ID'];
	}

	$ptype = get_post_type_object( $post_data['post_type'] );

	if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) {
		if ( 'page' === $post_data['post_type'] ) {
			return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
		} else {
			return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
		}
	} elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) {
		if ( 'page' === $post_data['post_type'] ) {
			return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
		} else {
			return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
		}
	}

	if ( isset( $post_data['content'] ) ) {
		$post_data['post_content'] = $post_data['content'];
	}

	if ( isset( $post_data['excerpt'] ) ) {
		$post_data['post_excerpt'] = $post_data['excerpt'];
	}

	if ( isset( $post_data['parent_id'] ) ) {
		$post_data['post_parent'] = (int) $post_data['parent_id'];
	}

	if ( isset( $post_data['trackback_url'] ) ) {
		$post_data['to_ping'] = $post_data['trackback_url'];
	}

	$post_data['user_ID'] = get_current_user_id();

	if ( ! empty( $post_data['post_author_override'] ) ) {
		$post_data['post_author'] = (int) $post_data['post_author_override'];
	} else {
		if ( ! empty( $post_data['post_author'] ) ) {
			$post_data['post_author'] = (int) $post_data['post_author'];
		} else {
			$post_data['post_author'] = (int) $post_data['user_ID'];
		}
	}

	if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] )
		&& ! current_user_can( $ptype->cap->edit_others_posts ) ) {

		if ( $update ) {
			if ( 'page' === $post_data['post_type'] ) {
				return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
			} else {
				return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
			}
		} else {
			if ( 'page' === $post_data['post_type'] ) {
				return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
			} else {
				return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
			}
		}
	}

	if ( ! empty( $post_data['post_status'] ) ) {
		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );

		// No longer an auto-draft.
		if ( 'auto-draft' === $post_data['post_status'] ) {
			$post_data['post_status'] = 'draft';
		}

		if ( ! get_post_status_object( $post_data['post_status'] ) ) {
			unset( $post_data['post_status'] );
		}
	}

	// What to do based on which button they pressed.
	if ( isset( $post_data['saveasdraft'] ) && '' !== $post_data['saveasdraft'] ) {
		$post_data['post_status'] = 'draft';
	}
	if ( isset( $post_data['saveasprivate'] ) && '' !== $post_data['saveasprivate'] ) {
		$post_data['post_status'] = 'private';
	}
	if ( isset( $post_data['publish'] ) && ( '' !== $post_data['publish'] )
		&& ( ! isset( $post_data['post_status'] ) || 'private' !== $post_data['post_status'] )
	) {
		$post_data['post_status'] = 'publish';
	}
	if ( isset( $post_data['advanced'] ) && '' !== $post_data['advanced'] ) {
		$post_data['post_status'] = 'draft';
	}
	if ( isset( $post_data['pending'] ) && '' !== $post_data['pending'] ) {
		$post_data['post_status'] = 'pending';
	}

	if ( isset( $post_data['ID'] ) ) {
		$post_id = $post_data['ID'];
	} else {
		$post_id = false;
	}
	$previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;

	if ( isset( $post_data['post_status'] ) && 'private' === $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) {
		$post_data['post_status'] = $previous_status ? $previous_status : 'pending';
	}

	$published_statuses = array( 'publish', 'future' );

	// Posts 'submitted for approval' are submitted to $_POST the same as if they were being published.
	// Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.
	if ( isset( $post_data['post_status'] )
		&& ( in_array( $post_data['post_status'], $published_statuses, true )
		&& ! current_user_can( $ptype->cap->publish_posts ) )
	) {
		if ( ! in_array( $previous_status, $published_statuses, true ) || ! current_user_can( 'edit_post', $post_id ) ) {
			$post_data['post_status'] = 'pending';
		}
	}

	if ( ! isset( $post_data['post_status'] ) ) {
		$post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status;
	}

	if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) {
		unset( $post_data['post_password'] );
	}

	if ( ! isset( $post_data['comment_status'] ) ) {
		$post_data['comment_status'] = 'closed';
	}

	if ( ! isset( $post_data['ping_status'] ) ) {
		$post_data['ping_status'] = 'closed';
	}

	foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) {
		if ( ! empty( $post_data[ 'hidden_' . $timeunit ] ) && $post_data[ 'hidden_' . $timeunit ] != $post_data[ $timeunit ] ) {
			$post_data['edit_date'] = '1';
			break;
		}
	}

	if ( ! empty( $post_data['edit_date'] ) ) {
		$aa = $post_data['aa'];
		$mm = $post_data['mm'];
		$jj = $post_data['jj'];
		$hh = $post_data['hh'];
		$mn = $post_data['mn'];
		$ss = $post_data['ss'];
		$aa = ( $aa <= 0 ) ? gmdate( 'Y' ) : $aa;
		$mm = ( $mm <= 0 ) ? gmdate( 'n' ) : $mm;
		$jj = ( $jj > 31 ) ? 31 : $jj;
		$jj = ( $jj <= 0 ) ? gmdate( 'j' ) : $jj;
		$hh = ( $hh > 23 ) ? $hh - 24 : $hh;
		$mn = ( $mn > 59 ) ? $mn - 60 : $mn;
		$ss = ( $ss > 59 ) ? $ss - 60 : $ss;

		$post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss );

		$valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
		if ( ! $valid_date ) {
			return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
		}

		$post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
	}

	if ( isset( $post_data['post_category'] ) ) {
		$category_object = get_taxonomy( 'category' );
		if ( ! current_user_can( $category_object->cap->assign_terms ) ) {
			unset( $post_data['post_category'] );
		}
	}

	return $post_data;
}

/**
 * Returns only allowed post data fields.
 *
 * @since 5.0.1
 *
 * @param array|WP_Error|null $post_data The array of post data to process, or an error object.
 *                                       Defaults to the `$_POST` superglobal.
 * @return array|WP_Error Array of post data on success, WP_Error on failure.
 */
function _wp_get_allowed_postdata( $post_data = null ) {
	if ( empty( $post_data ) ) {
		$post_data = $_POST;
	}

	// Pass through errors.
	if ( is_wp_error( $post_data ) ) {
		return $post_data;
	}

	return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) );
}

/**
 * Updates an existing post with values provided in `$_POST`.
 *
 * If post data is passed as an argument, it is treated as an array of data
 * keyed appropriately for turning into a post object.
 *
 * If post data is not passed, the `$_POST` global variable is used instead.
 *
 * @since 1.5.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param array|null $post_data Optional. The array of post data to process.
 *                              Defaults to the `$_POST` superglobal.
 * @return int Post ID.
 */
function edit_post( $post_data = null ) {
	global $wpdb;

	if ( empty( $post_data ) ) {
		$post_data = &$_POST;
	}

	// Clear out any data in internal vars.
	unset( $post_data['filter'] );

	$post_id = (int) $post_data['post_ID'];
	$post    = get_post( $post_id );

	$post_data['post_type']      = $post->post_type;
	$post_data['post_mime_type'] = $post->post_mime_type;

	if ( ! empty( $post_data['post_status'] ) ) {
		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );

		if ( 'inherit' === $post_data['post_status'] ) {
			unset( $post_data['post_status'] );
		}
	}

	$ptype = get_post_type_object( $post_data['post_type'] );
	if ( ! current_user_can( 'edit_post', $post_id ) ) {
		if ( 'page' === $post_data['post_type'] ) {
			wp_die( __( 'Sorry, you are not allowed to edit this page.' ) );
		} else {
			wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
		}
	}

	if ( post_type_supports( $ptype->name, 'revisions' ) ) {
		$revisions = wp_get_post_revisions(
			$post_id,
			array(
				'order'          => 'ASC',
				'posts_per_page' => 1,
			)
		);
		$revision  = current( $revisions );

		// Check if the revisions have been upgraded.
		if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) {
			_wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_id ) );
		}
	}

	if ( isset( $post_data['visibility'] ) ) {
		switch ( $post_data['visibility'] ) {
			case 'public':
				$post_data['post_password'] = '';
				break;
			case 'password':
				unset( $post_data['sticky'] );
				break;
			case 'private':
				$post_data['post_status']   = 'private';
				$post_data['post_password'] = '';
				unset( $post_data['sticky'] );
				break;
		}
	}

	$post_data = _wp_translate_postdata( true, $post_data );
	if ( is_wp_error( $post_data ) ) {
		wp_die( $post_data->get_error_message() );
	}
	$translated = _wp_get_allowed_postdata( $post_data );

	// Post formats.
	if ( isset( $post_data['post_format'] ) ) {
		set_post_format( $post_id, $post_data['post_format'] );
	}

	$format_meta_urls = array( 'url', 'link_url', 'quote_source_url' );
	foreach ( $format_meta_urls as $format_meta_url ) {
		$keyed = '_format_' . $format_meta_url;
		if ( isset( $post_data[ $keyed ] ) ) {
			update_post_meta( $post_id, $keyed, wp_slash( sanitize_url( wp_unslash( $post_data[ $keyed ] ) ) ) );
		}
	}

	$format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' );

	foreach ( $format_keys as $key ) {
		$keyed = '_format_' . $key;
		if ( isset( $post_data[ $keyed ] ) ) {
			if ( current_user_can( 'unfiltered_html' ) ) {
				update_post_meta( $post_id, $keyed, $post_data[ $keyed ] );
			} else {
				update_post_meta( $post_id, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) );
			}
		}
	}

	if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) {
		$id3data = wp_get_attachment_metadata( $post_id );
		if ( ! is_array( $id3data ) ) {
			$id3data = array();
		}

		foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) {
			if ( isset( $post_data[ 'id3_' . $key ] ) ) {
				$id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) );
			}
		}
		wp_update_attachment_metadata( $post_id, $id3data );
	}

	// Meta stuff.
	if ( isset( $post_data['meta'] ) && $post_data['meta'] ) {
		foreach ( $post_data['meta'] as $key => $value ) {
			$meta = get_post_meta_by_id( $key );
			if ( ! $meta ) {
				continue;
			}

			if ( $meta->post_id != $post_id ) {
				continue;
			}

			if ( is_protected_meta( $meta->meta_key, 'post' )
				|| ! current_user_can( 'edit_post_meta', $post_id, $meta->meta_key )
			) {
				continue;
			}

			if ( is_protected_meta( $value['key'], 'post' )
				|| ! current_user_can( 'edit_post_meta', $post_id, $value['key'] )
			) {
				continue;
			}

			update_meta( $key, $value['key'], $value['value'] );
		}
	}

	if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) {
		foreach ( $post_data['deletemeta'] as $key => $value ) {
			$meta = get_post_meta_by_id( $key );
			if ( ! $meta ) {
				continue;
			}

			if ( $meta->post_id != $post_id ) {
				continue;
			}

			if ( is_protected_meta( $meta->meta_key, 'post' )
				|| ! current_user_can( 'delete_post_meta', $post_id, $meta->meta_key )
			) {
				continue;
			}

			delete_meta( $key );
		}
	}

	// Attachment stuff.
	if ( 'attachment' === $post_data['post_type'] ) {
		if ( isset( $post_data['_wp_attachment_image_alt'] ) ) {
			$image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] );

			if ( get_post_meta( $post_id, '_wp_attachment_image_alt', true ) !== $image_alt ) {
				$image_alt = wp_strip_all_tags( $image_alt, true );

				// update_post_meta() expects slashed.
				update_post_meta( $post_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
			}
		}

		$attachment_data = isset( $post_data['attachments'][ $post_id ] ) ? $post_data['attachments'][ $post_id ] : array();

		/** This filter is documented in wp-admin/includes/media.php */
		$translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data );
	}

	// Convert taxonomy input to term IDs, to avoid ambiguity.
	if ( isset( $post_data['tax_input'] ) ) {
		foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) {
			$tax_object = get_taxonomy( $taxonomy );

			if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) {
				$translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) );
			}
		}
	}

	add_meta( $post_id );

	update_post_meta( $post_id, '_edit_last', get_current_user_id() );

	$success = wp_update_post( $translated );

	// If the save failed, see if we can sanity check the main fields and try again.
	if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) {
		$fields = array( 'post_title', 'post_content', 'post_excerpt' );

		foreach ( $fields as $field ) {
			if ( isset( $translated[ $field ] ) ) {
				$translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] );
			}
		}

		wp_update_post( $translated );
	}

	// Now that we have an ID we can fix any attachment anchor hrefs.
	_fix_attachment_links( $post_id );

	wp_set_post_lock( $post_id );

	if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) {
		if ( ! empty( $post_data['sticky'] ) ) {
			stick_post( $post_id );
		} else {
			unstick_post( $post_id );
		}
	}

	return $post_id;
}

/**
 * Processes the post data for the bulk editing of posts.
 *
 * Updates all bulk edited posts/pages, adding (but not removing) tags and
 * categories. Skips pages when they would be their own parent or child.
 *
 * @since 2.7.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param array|null $post_data Optional. The array of post data to process.
 *                              Defaults to the `$_POST` superglobal.
 * @return array
 */
function bulk_edit_posts( $post_data = null ) {
	global $wpdb;

	if ( empty( $post_data ) ) {
		$post_data = &$_POST;
	}

	if ( isset( $post_data['post_type'] ) ) {
		$ptype = get_post_type_object( $post_data['post_type'] );
	} else {
		$ptype = get_post_type_object( 'post' );
	}

	if ( ! current_user_can( $ptype->cap->edit_posts ) ) {
		if ( 'page' === $ptype->name ) {
			wp_die( __( 'Sorry, you are not allowed to edit pages.' ) );
		} else {
			wp_die( __( 'Sorry, you are not allowed to edit posts.' ) );
		}
	}

	if ( -1 == $post_data['_status'] ) {
		$post_data['post_status'] = null;
		unset( $post_data['post_status'] );
	} else {
		$post_data['post_status'] = $post_data['_status'];
	}
	unset( $post_data['_status'] );

	if ( ! empty( $post_data['post_status'] ) ) {
		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );

		if ( 'inherit' === $post_data['post_status'] ) {
			unset( $post_data['post_status'] );
		}
	}

	$post_ids = array_map( 'intval', (array) $post_data['post'] );

	$reset = array(
		'post_author',
		'post_status',
		'post_password',
		'post_parent',
		'page_template',
		'comment_status',
		'ping_status',
		'keep_private',
		'tax_input',
		'post_category',
		'sticky',
		'post_format',
	);

	foreach ( $reset as $field ) {
		if ( isset( $post_data[ $field ] ) && ( '' === $post_data[ $field ] || -1 == $post_data[ $field ] ) ) {
			unset( $post_data[ $field ] );
		}
	}

	if ( isset( $post_data['post_category'] ) ) {
		if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) {
			$new_cats = array_map( 'absint', $post_data['post_category'] );
		} else {
			unset( $post_data['post_category'] );
		}
	}

	$tax_input = array();
	if ( isset( $post_data['tax_input'] ) ) {
		foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
			if ( empty( $terms ) ) {
				continue;
			}

			if ( is_taxonomy_hierarchical( $tax_name ) ) {
				$tax_input[ $tax_name ] = array_map( 'absint', $terms );
			} else {
				$comma = _x( ',', 'tag delimiter' );
				if ( ',' !== $comma ) {
					$terms = str_replace( $comma, ',', $terms );
				}
				$tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
			}
		}
	}

	if ( isset( $post_data['post_parent'] ) && (int) $post_data['post_parent'] ) {
		$parent   = (int) $post_data['post_parent'];
		$pages    = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" );
		$children = array();

		for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
			$children[] = $parent;

			foreach ( $pages as $page ) {
				if ( (int) $page->ID === $parent ) {
					$parent = (int) $page->post_parent;
					break;
				}
			}
		}
	}

	$updated          = array();
	$skipped          = array();
	$locked           = array();
	$shared_post_data = $post_data;

	foreach ( $post_ids as $post_id ) {
		// Start with fresh post data with each iteration.
		$post_data = $shared_post_data;

		$post_type_object = get_post_type_object( get_post_type( $post_id ) );

		if ( ! isset( $post_type_object )
			|| ( isset( $children ) && in_array( $post_id, $children, true ) )
			|| ! current_user_can( 'edit_post', $post_id )
		) {
			$skipped[] = $post_id;
			continue;
		}

		if ( wp_check_post_lock( $post_id ) ) {
			$locked[] = $post_id;
			continue;
		}

		$post      = get_post( $post_id );
		$tax_names = get_object_taxonomies( $post );

		foreach ( $tax_names as $tax_name ) {
			$taxonomy_obj = get_taxonomy( $tax_name );

			if ( ! $taxonomy_obj->show_in_quick_edit ) {
				continue;
			}

			if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
				$new_terms = $tax_input[ $tax_name ];
			} else {
				$new_terms = array();
			}

			if ( $taxonomy_obj->hierarchical ) {
				$current_terms = (array) wp_get_object_terms( $post_id, $tax_name, array( 'fields' => 'ids' ) );
			} else {
				$current_terms = (array) wp_get_object_terms( $post_id, $tax_name, array( 'fields' => 'names' ) );
			}

			$post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms );
		}

		if ( isset( $new_cats ) && in_array( 'category', $tax_names, true ) ) {
			$cats                       = (array) wp_get_post_categories( $post_id );
			$post_data['post_category'] = array_unique( array_merge( $cats, $new_cats ) );
			unset( $post_data['tax_input']['category'] );
		}

		$post_data['post_ID']        = $post_id;
		$post_data['post_type']      = $post->post_type;
		$post_data['post_mime_type'] = $post->post_mime_type;

		foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) {
			if ( ! isset( $post_data[ $field ] ) ) {
				$post_data[ $field ] = $post->$field;
			}
		}

		$post_data = _wp_translate_postdata( true, $post_data );
		if ( is_wp_error( $post_data ) ) {
			$skipped[] = $post_id;
			continue;
		}
		$post_data = _wp_get_allowed_postdata( $post_data );

		if ( isset( $shared_post_data['post_format'] ) ) {
			set_post_format( $post_id, $shared_post_data['post_format'] );
		}

		// Prevent wp_insert_post() from overwriting post format with the old data.
		unset( $post_data['tax_input']['post_format'] );

		$post_id = wp_update_post( $post_data );
		update_post_meta( $post_id, '_edit_last', get_current_user_id() );
		$updated[] = $post_id;

		if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
			if ( 'sticky' === $post_data['sticky'] ) {
				stick_post( $post_id );
			} else {
				unstick_post( $post_id );
			}
		}
	}

	return array(
		'updated' => $updated,
		'skipped' => $skipped,
		'locked'  => $locked,
	);
}

/**
 * Returns default post information to use when populating the "Write Post" form.
 *
 * @since 2.0.0
 *
 * @param string $post_type    Optional. A post type string. Default 'post'.
 * @param bool   $create_in_db Optional. Whether to insert the post into database. Default false.
 * @return WP_Post Post object containing all the default post data as attributes
 */
function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) {
	$post_title = '';
	if ( ! empty( $_REQUEST['post_title'] ) ) {
		$post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) );
	}

	$post_content = '';
	if ( ! empty( $_REQUEST['content'] ) ) {
		$post_content = esc_html( wp_unslash( $_REQUEST['content'] ) );
	}

	$post_excerpt = '';
	if ( ! empty( $_REQUEST['excerpt'] ) ) {
		$post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) );
	}

	if ( $create_in_db ) {
		$post_id = wp_insert_post(
			array(
				'post_title'  => __( 'Auto Draft' ),
				'post_type'   => $post_type,
				'post_status' => 'auto-draft',
			),
			false,
			false
		);
		$post    = get_post( $post_id );
		if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) {
			set_post_format( $post, get_option( 'default_post_format' ) );
		}
		wp_after_insert_post( $post, false, null );

		// Schedule auto-draft cleanup.
		if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) {
			wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' );
		}
	} else {
		$post                 = new stdClass();
		$post->ID             = 0;
		$post->post_author    = '';
		$post->post_date      = '';
		$post->post_date_gmt  = '';
		$post->post_password  = '';
		$post->post_name      = '';
		$post->post_type      = $post_type;
		$post->post_status    = 'draft';
		$post->to_ping        = '';
		$post->pinged         = '';
		$post->comment_status = get_default_comment_status( $post_type );
		$post->ping_status    = get_default_comment_status( $post_type, 'pingback' );
		$post->post_pingback  = get_option( 'default_pingback_flag' );
		$post->post_category  = get_option( 'default_category' );
		$post->page_template  = 'default';
		$post->post_parent    = 0;
		$post->menu_order     = 0;
		$post                 = new WP_Post( $post );
	}

	/**
	 * Filters the default post content initially used in the "Write Post" form.
	 *
	 * @since 1.5.0
	 *
	 * @param string  $post_content Default post content.
	 * @param WP_Post $post         Post object.
	 */
	$post->post_content = (string) apply_filters( 'default_content', $post_content, $post );

	/**
	 * Filters the default post title initially used in the "Write Post" form.
	 *
	 * @since 1.5.0
	 *
	 * @param string  $post_title Default post title.
	 * @param WP_Post $post       Post object.
	 */
	$post->post_title = (string) apply_filters( 'default_title', $post_title, $post );

	/**
	 * Filters the default post excerpt initially used in the "Write Post" form.
	 *
	 * @since 1.5.0
	 *
	 * @param string  $post_excerpt Default post excerpt.
	 * @param WP_Post $post         Post object.
	 */
	$post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post );

	return $post;
}

/**
 * Determines if a post exists based on title, content, date and type.
 *
 * @since 2.0.0
 * @since 5.2.0 Added the `$type` parameter.
 * @since 5.8.0 Added the `$status` parameter.
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $title   Post title.
 * @param string $content Optional. Post content.
 * @param string $date    Optional. Post date.
 * @param string $type    Optional. Post type.
 * @param string $status  Optional. Post status.
 * @return int Post ID if post exists, 0 otherwise.
 */
function post_exists( $title, $content = '', $date = '', $type = '', $status = '' ) {
	global $wpdb;

	$post_title   = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
	$post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) );
	$post_date    = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
	$post_type    = wp_unslash( sanitize_post_field( 'post_type', $type, 0, 'db' ) );
	$post_status  = wp_unslash( sanitize_post_field( 'post_status', $status, 0, 'db' ) );

	$query = "SELECT ID FROM $wpdb->posts WHERE 1=1";
	$args  = array();

	if ( ! empty( $date ) ) {
		$query .= ' AND post_date = %s';
		$args[] = $post_date;
	}

	if ( ! empty( $title ) ) {
		$query .= ' AND post_title = %s';
		$args[] = $post_title;
	}

	if ( ! empty( $content ) ) {
		$query .= ' AND post_content = %s';
		$args[] = $post_content;
	}

	if ( ! empty( $type ) ) {
		$query .= ' AND post_type = %s';
		$args[] = $post_type;
	}

	if ( ! empty( $status ) ) {
		$query .= ' AND post_status = %s';
		$args[] = $post_status;
	}

	if ( ! empty( $args ) ) {
		return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) );
	}

	return 0;
}

/**
 * Creates a new post from the "Write Post" form using `$_POST` information.
 *
 * @since 2.1.0
 *
 * @global WP_User $current_user
 *
 * @return int|WP_Error Post ID on success, WP_Error on failure.
 */
function wp_write_post() {
	if ( isset( $_POST['post_type'] ) ) {
		$ptype = get_post_type_object( $_POST['post_type'] );
	} else {
		$ptype = get_post_type_object( 'post' );
	}

	if ( ! current_user_can( $ptype->cap->edit_posts ) ) {
		if ( 'page' === $ptype->name ) {
			return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) );
		} else {
			return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) );
		}
	}

	$_POST['post_mime_type'] = '';

	// Clear out any data in internal vars.
	unset( $_POST['filter'] );

	// Edit, don't write, if we have a post ID.
	if ( isset( $_POST['post_ID'] ) ) {
		return edit_post();
	}

	if ( isset( $_POST['visibility'] ) ) {
		switch ( $_POST['visibility'] ) {
			case 'public':
				$_POST['post_password'] = '';
				break;
			case 'password':
				unset( $_POST['sticky'] );
				break;
			case 'private':
				$_POST['post_status']   = 'private';
				$_POST['post_password'] = '';
				unset( $_POST['sticky'] );
				break;
		}
	}

	$translated = _wp_translate_postdata( false );
	if ( is_wp_error( $translated ) ) {
		return $translated;
	}
	$translated = _wp_get_allowed_postdata( $translated );

	// Create the post.
	$post_id = wp_insert_post( $translated );
	if ( is_wp_error( $post_id ) ) {
		return $post_id;
	}

	if ( empty( $post_id ) ) {
		return 0;
	}

	add_meta( $post_id );

	add_post_meta( $post_id, '_edit_last', $GLOBALS['current_user']->ID );

	// Now that we have an ID we can fix any attachment anchor hrefs.
	_fix_attachment_links( $post_id );

	wp_set_post_lock( $post_id );

	return $post_id;
}

/**
 * Calls wp_write_post() and handles the errors.
 *
 * @since 2.0.0
 *
 * @return int|void Post ID on success, void on failure.
 */
function write_post() {
	$result = wp_write_post();
	if ( is_wp_error( $result ) ) {
		wp_die( $result->get_error_message() );
	} else {
		return $result;
	}
}

//
// Post Meta.
//

/**
 * Adds post meta data defined in the `$_POST` superglobal for a post with given ID.
 *
 * @since 1.2.0
 *
 * @param int $post_id
 * @return int|bool
 */
function add_meta( $post_id ) {
	$post_id = (int) $post_id;

	$metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : '';
	$metakeyinput  = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : '';
	$metavalue     = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : '';
	if ( is_string( $metavalue ) ) {
		$metavalue = trim( $metavalue );
	}

	if ( ( ( '#NONE#' !== $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) {
		/*
		 * We have a key/value pair. If both the select and the input
		 * for the key have data, the input takes precedence.
		 */
		if ( '#NONE#' !== $metakeyselect ) {
			$metakey = $metakeyselect;
		}

		if ( $metakeyinput ) {
			$metakey = $metakeyinput; // Default.
		}

		if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_id, $metakey ) ) {
			return false;
		}

		$metakey = wp_slash( $metakey );

		return add_post_meta( $post_id, $metakey, $metavalue );
	}

	return false;
}

/**
 * Deletes post meta data by meta ID.
 *
 * @since 1.2.0
 *
 * @param int $mid
 * @return bool
 */
function delete_meta( $mid ) {
	return delete_metadata_by_mid( 'post', $mid );
}

/**
 * Returns a list of previously defined keys.
 *
 * @since 1.2.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @return string[] Array of meta key names.
 */
function get_meta_keys() {
	global $wpdb;

	$keys = $wpdb->get_col(
		"
			SELECT meta_key
			FROM $wpdb->postmeta
			GROUP BY meta_key
			ORDER BY meta_key"
	);

	return $keys;
}

/**
 * Returns post meta data by meta ID.
 *
 * @since 2.1.0
 *
 * @param int $mid
 * @return object|bool
 */
function get_post_meta_by_id( $mid ) {
	return get_metadata_by_mid( 'post', $mid );
}

/**
 * Returns meta data for the given post ID.
 *
 * @since 1.2.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int $postid A post ID.
 * @return array[] {
 *     Array of meta data arrays for the given post ID.
 *
 *     @type array ...$0 {
 *         Associative array of meta data.
 *
 *         @type string $meta_key   Meta key.
 *         @type mixed  $meta_value Meta value.
 *         @type string $meta_id    Meta ID as a numeric string.
 *         @type string $post_id    Post ID as a numeric string.
 *     }
 * }
 */
function has_meta( $postid ) {
	global $wpdb;

	return $wpdb->get_results(
		$wpdb->prepare(
			"SELECT meta_key, meta_value, meta_id, post_id
			FROM $wpdb->postmeta WHERE post_id = %d
			ORDER BY meta_key,meta_id",
			$postid
		),
		ARRAY_A
	);
}

/**
 * Updates post meta data by meta ID.
 *
 * @since 1.2.0
 *
 * @param int    $meta_id    Meta ID.
 * @param string $meta_key   Meta key. Expect slashed.
 * @param string $meta_value Meta value. Expect slashed.
 * @return bool
 */
function update_meta( $meta_id, $meta_key, $meta_value ) {
	$meta_key   = wp_unslash( $meta_key );
	$meta_value = wp_unslash( $meta_value );

	return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
}

//
// Private.
//

/**
 * Replaces hrefs of attachment anchors with up-to-date permalinks.
 *
 * @since 2.3.0
 * @access private
 *
 * @param int|object $post Post ID or post object.
 * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success.
 */
function _fix_attachment_links( $post ) {
	$post    = get_post( $post, ARRAY_A );
	$content = $post['post_content'];

	// Don't run if no pretty permalinks or post is not published, scheduled, or privately published.
	if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ), true ) ) {
		return;
	}

	// Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero).
	if ( ! strpos( $content, '?attachment_id=' ) || ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) {
		return;
	}

	$site_url = get_bloginfo( 'url' );
	$site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // Remove the http(s).
	$replace  = '';

	foreach ( $link_matches[1] as $key => $value ) {
		if ( ! strpos( $value, '?attachment_id=' ) || ! strpos( $value, 'wp-att-' )
			|| ! preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
			|| ! preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) {
				continue;
		}

		$quote  = $url_match[1]; // The quote (single or double).
		$url_id = (int) $url_match[2];
		$rel_id = (int) $rel_match[1];

		if ( ! $url_id || ! $rel_id || $url_id != $rel_id || strpos( $url_match[0], $site_url ) === false ) {
			continue;
		}

		$link    = $link_matches[0][ $key ];
		$replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );

		$content = str_replace( $link, $replace, $content );
	}

	if ( $replace ) {
		$post['post_content'] = $content;
		// Escape data pulled from DB.
		$post = add_magic_quotes( $post );

		return wp_update_post( $post );
	}
}

/**
 * Returns all the possible statuses for a post type.
 *
 * @since 2.5.0
 *
 * @param string $type The post_type you want the statuses for. Default 'post'.
 * @return string[] An array of all the statuses for the supplied post type.
 */
function get_available_post_statuses( $type = 'post' ) {
	$stati = wp_count_posts( $type );

	return array_keys( get_object_vars( $stati ) );
}

/**
 * Runs the query to fetch the posts for listing on the edit posts page.
 *
 * @since 2.5.0
 *
 * @param array|false $q Optional. Array of query variables to use to build the query.
 *                       Defaults to the `$_GET` superglobal.
 * @return array
 */
function wp_edit_posts_query( $q = false ) {
	if ( false === $q ) {
		$q = $_GET;
	}
	$q['m']     = isset( $q['m'] ) ? (int) $q['m'] : 0;
	$q['cat']   = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
	$post_stati = get_post_stati();

	if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types(), true ) ) {
		$post_type = $q['post_type'];
	} else {
		$post_type = 'post';
	}

	$avail_post_stati = get_available_post_statuses( $post_type );
	$post_status      = '';
	$perm             = '';

	if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_stati, true ) ) {
		$post_status = $q['post_status'];
		$perm        = 'readable';
	}

	$orderby = '';

	if ( isset( $q['orderby'] ) ) {
		$orderby = $q['orderby'];
	} elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ), true ) ) {
		$orderby = 'modified';
	}

	$order = '';

	if ( isset( $q['order'] ) ) {
		$order = $q['order'];
	} elseif ( isset( $q['post_status'] ) && 'pending' === $q['post_status'] ) {
		$order = 'ASC';
	}

	$per_page       = "edit_{$post_type}_per_page";
	$posts_per_page = (int) get_user_option( $per_page );
	if ( empty( $posts_per_page ) || $posts_per_page < 1 ) {
		$posts_per_page = 20;
	}

	/**
	 * Filters the number of items per page to show for a specific 'per_page' type.
	 *
	 * The dynamic portion of the hook name, `$post_type`, refers to the post type.
	 *
	 * Possible hook names include:
	 *
	 *  - `edit_post_per_page`
	 *  - `edit_page_per_page`
	 *  - `edit_attachment_per_page`
	 *
	 * @since 3.0.0
	 *
	 * @param int $posts_per_page Number of posts to display per page for the given post
	 *                            type. Default 20.
	 */
	$posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page );

	/**
	 * Filters the number of posts displayed per page when specifically listing "posts".
	 *
	 * @since 2.8.0
	 *
	 * @param int    $posts_per_page Number of posts to be displayed. Default 20.
	 * @param string $post_type      The post type.
	 */
	$posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );

	$query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' );

	// Hierarchical types require special args.
	if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) {
		$query['orderby']                = 'menu_order title';
		$query['order']                  = 'asc';
		$query['posts_per_page']         = -1;
		$query['posts_per_archive_page'] = -1;
		$query['fields']                 = 'id=>parent';
	}

	if ( ! empty( $q['show_sticky'] ) ) {
		$query['post__in'] = (array) get_option( 'sticky_posts' );
	}

	wp( $query );

	return $avail_post_stati;
}

/**
 * Returns the query variables for the current attachments request.
 *
 * @since 4.2.0
 *
 * @param array|false $q Optional. Array of query variables to use to build the query.
 *                       Defaults to the `$_GET` superglobal.
 * @return array The parsed query vars.
 */
function wp_edit_attachments_query_vars( $q = false ) {
	if ( false === $q ) {
		$q = $_GET;
	}
	$q['m']         = isset( $q['m'] ) ? (int) $q['m'] : 0;
	$q['cat']       = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
	$q['post_type'] = 'attachment';
	$post_type      = get_post_type_object( 'attachment' );
	$states         = 'inherit';
	if ( current_user_can( $post_type->cap->read_private_posts ) ) {
		$states .= ',private';
	}

	$q['post_status'] = isset( $q['status'] ) && 'trash' === $q['status'] ? 'trash' : $states;
	$q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' === $q['attachment-filter'] ? 'trash' : $states;

	$media_per_page = (int) get_user_option( 'upload_per_page' );
	if ( empty( $media_per_page ) || $media_per_page < 1 ) {
		$media_per_page = 20;
	}

	/**
	 * Filters the number of items to list per page when listing media items.
	 *
	 * @since 2.9.0
	 *
	 * @param int $media_per_page Number of media to list. Default 20.
	 */
	$q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );

	$post_mime_types = get_post_mime_types();
	if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) {
		unset( $q['post_mime_type'] );
	}

	foreach ( array_keys( $post_mime_types ) as $type ) {
		if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" === $q['attachment-filter'] ) {
			$q['post_mime_type'] = $type;
			break;
		}
	}

	if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' === $q['attachment-filter'] ) ) {
		$q['post_parent'] = 0;
	}

	if ( isset( $q['mine'] ) || ( isset( $q['attachment-filter'] ) && 'mine' === $q['attachment-filter'] ) ) {
		$q['author'] = get_current_user_id();
	}

	// Filter query clauses to include filenames.
	if ( isset( $q['s'] ) ) {
		add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
	}

	return $q;
}

/**
 * Executes a query for attachments. An array of WP_Query arguments
 * can be passed in, which will override the arguments set by this function.
 *
 * @since 2.5.0
 *
 * @param array|false $q Optional. Array of query variables to use to build the query.
 *                       Defaults to the `$_GET` superglobal.
 * @return array
 */
function wp_edit_attachments_query( $q = false ) {
	wp( wp_edit_attachments_query_vars( $q ) );

	$post_mime_types       = get_post_mime_types();
	$avail_post_mime_types = get_available_post_mime_types( 'attachment' );

	return array( $post_mime_types, $avail_post_mime_types );
}

/**
 * Returns the list of classes to be used by a meta box.
 *
 * @since 2.5.0
 *
 * @param string $box_id    Meta box ID (used in the 'id' attribute for the meta box).
 * @param string $screen_id The screen on which the meta box is shown.
 * @return string Space-separated string of class names.
 */
function postbox_classes( $box_id, $screen_id ) {
	if ( isset( $_GET['edit'] ) && $_GET['edit'] == $box_id ) {
		$classes = array( '' );
	} elseif ( get_user_option( 'closedpostboxes_' . $screen_id ) ) {
		$closed = get_user_option( 'closedpostboxes_' . $screen_id );
		if ( ! is_array( $closed ) ) {
			$classes = array( '' );
		} else {
			$classes = in_array( $box_id, $closed, true ) ? array( 'closed' ) : array( '' );
		}
	} else {
		$classes = array( '' );
	}

	/**
	 * Filters the postbox classes for a specific screen and box ID combo.
	 *
	 * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to
	 * the screen ID and meta box ID, respectively.
	 *
	 * @since 3.2.0
	 *
	 * @param string[] $classes An array of postbox classes.
	 */
	$classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes );

	return implode( ' ', $classes );
}

/**
 * Returns a sample permalink based on the post name.
 *
 * @since 2.5.0
 *
 * @param int|WP_Post $post  Post ID or post object.
 * @param string|null $title Optional. Title to override the post's current title
 *                           when generating the post name. Default null.
 * @param string|null $name  Optional. Name to override the post name. Default null.
 * @return array {
 *     Array containing the sample permalink with placeholder for the post name, and the post name.
 *
 *     @type string $0 The permalink with placeholder for the post name.
 *     @type string $1 The post name.
 * }
 */
function get_sample_permalink( $post, $title = null, $name = null ) {
	$post = get_post( $post );

	if ( ! $post ) {
		return array( '', '' );
	}

	$ptype = get_post_type_object( $post->post_type );

	$original_status = $post->post_status;
	$original_date   = $post->post_date;
	$original_name   = $post->post_name;
	$original_filter = $post->filter;

	// Hack: get_permalink() would return plain permalink for drafts, so we will fake that our post is published.
	if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ), true ) ) {
		$post->post_status = 'publish';
		$post->post_name   = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID );
	}

	// If the user wants to set a new name -- override the current one.
	// Note: if empty name is supplied -- use the title instead, see #6072.
	if ( ! is_null( $name ) ) {
		$post->post_name = sanitize_title( $name ? $name : $title, $post->ID );
	}

	$post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent );

	$post->filter = 'sample';

	$permalink = get_permalink( $post, true );

	// Replace custom post_type token with generic pagename token for ease of use.
	$permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink );

	// Handle page hierarchy.
	if ( $ptype->hierarchical ) {
		$uri = get_page_uri( $post );
		if ( $uri ) {
			$uri = untrailingslashit( $uri );
			$uri = strrev( stristr( strrev( $uri ), '/' ) );
			$uri = untrailingslashit( $uri );
		}

		/** This filter is documented in wp-admin/edit-tag-form.php */
		$uri = apply_filters( 'editable_slug', $uri, $post );
		if ( ! empty( $uri ) ) {
			$uri .= '/';
		}
		$permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink );
	}

	/** This filter is documented in wp-admin/edit-tag-form.php */
	$permalink         = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) );
	$post->post_status = $original_status;
	$post->post_date   = $original_date;
	$post->post_name   = $original_name;
	$post->filter      = $original_filter;

	/**
	 * Filters the sample permalink.
	 *
	 * @since 4.4.0
	 *
	 * @param array   $permalink {
	 *     Array containing the sample permalink with placeholder for the post name, and the post name.
	 *
	 *     @type string $0 The permalink with placeholder for the post name.
	 *     @type string $1 The post name.
	 * }
	 * @param int     $post_id Post ID.
	 * @param string  $title   Post title.
	 * @param string  $name    Post name (slug).
	 * @param WP_Post $post    Post object.
	 */
	return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post );
}

/**
 * Returns the HTML of the sample permalink slug editor.
 *
 * @since 2.5.0
 *
 * @param int|WP_Post $post      Post ID or post object.
 * @param string|null $new_title Optional. New title. Default null.
 * @param string|null $new_slug  Optional. New slug. Default null.
 * @return string The HTML of the sample permalink slug editor.
 */
function get_sample_permalink_html( $post, $new_title = null, $new_slug = null ) {
	$post = get_post( $post );

	if ( ! $post ) {
		return '';
	}

	list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug );

	$view_link      = false;
	$preview_target = '';

	if ( current_user_can( 'read_post', $post->ID ) ) {
		if ( 'draft' === $post->post_status || empty( $post->post_name ) ) {
			$view_link      = get_preview_post_link( $post );
			$preview_target = " target='wp-preview-{$post->ID}'";
		} else {
			if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) {
				$view_link = get_permalink( $post );
			} else {
				// Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set.
				$view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink );
			}
		}
	}

	// Permalinks without a post/page name placeholder don't have anything to edit.
	if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) {
		$return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";

		if ( false !== $view_link ) {
			$display_link = urldecode( $view_link );
			$return      .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n";
		} else {
			$return .= '<span id="sample-permalink">' . $permalink . "</span>\n";
		}

		// Encourage a pretty permalink setting.
		if ( ! get_option( 'permalink_structure' ) && current_user_can( 'manage_options' )
			&& ! ( 'page' === get_option( 'show_on_front' ) && get_option( 'page_on_front' ) == $post->ID )
		) {
			$return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small">' . __( 'Change Permalink Structure' ) . "</a></span>\n";
		}
	} else {
		if ( mb_strlen( $post_name ) > 34 ) {
			$post_name_abridged = mb_substr( $post_name, 0, 16 ) . '&hellip;' . mb_substr( $post_name, -16 );
		} else {
			$post_name_abridged = $post_name;
		}

		$post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>';
		$display_link   = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) );

		$return  = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
		$return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n";
		$return .= '&lrm;'; // Fix bi-directional text display defect in RTL languages.
		$return .= '<span id="edit-slug-buttons"><button type="button" class="edit-slug button button-small hide-if-no-js" aria-label="' . __( 'Edit permalink' ) . '">' . __( 'Edit' ) . "</button></span>\n";
		$return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n";
	}

	/**
	 * Filters the sample permalink HTML markup.
	 *
	 * @since 2.9.0
	 * @since 4.4.0 Added `$post` parameter.
	 *
	 * @param string  $return    Sample permalink HTML markup.
	 * @param int     $post_id   Post ID.
	 * @param string  $new_title New sample permalink title.
	 * @param string  $new_slug  New sample permalink slug.
	 * @param WP_Post $post      Post object.
	 */
	$return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post );

	return $return;
}

/**
 * Returns HTML for the post thumbnail meta box.
 *
 * @since 2.9.0
 *
 * @param int|null         $thumbnail_id Optional. Thumbnail attachment ID. Default null.
 * @param int|WP_Post|null $post         Optional. The post ID or object associated
 *                                       with the thumbnail. Defaults to global $post.
 * @return string The post thumbnail HTML.
 */
function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
	$_wp_additional_image_sizes = wp_get_additional_image_sizes();

	$post               = get_post( $post );
	$post_type_object   = get_post_type_object( $post->post_type );
	$set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>';
	$upload_iframe_src  = get_upload_iframe_src( 'image', $post->ID );

	$content = sprintf(
		$set_thumbnail_link,
		esc_url( $upload_iframe_src ),
		'', // Empty when there's no featured image set, `aria-describedby` attribute otherwise.
		esc_html( $post_type_object->labels->set_featured_image )
	);

	if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
		$size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 );

		/**
		 * Filters the size used to display the post thumbnail image in the 'Featured image' meta box.
		 *
		 * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail'
		 * image size is registered, which differs from the 'thumbnail' image size
		 * managed via the Settings > Media screen.
		 *
		 * @since 4.4.0
		 *
		 * @param string|int[] $size         Requested image size. Can be any registered image size name, or
		 *                                   an array of width and height values in pixels (in that order).
		 * @param int          $thumbnail_id Post thumbnail attachment ID.
		 * @param WP_Post      $post         The post object associated with the thumbnail.
		 */
		$size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post );

		$thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size );

		if ( ! empty( $thumbnail_html ) ) {
			$content  = sprintf(
				$set_thumbnail_link,
				esc_url( $upload_iframe_src ),
				' aria-describedby="set-post-thumbnail-desc"',
				$thumbnail_html
			);
			$content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>';
			$content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>';
		}
	}

	$content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />';

	/**
	 * Filters the admin post thumbnail HTML markup to return.
	 *
	 * @since 2.9.0
	 * @since 3.5.0 Added the `$post_id` parameter.
	 * @since 4.6.0 Added the `$thumbnail_id` parameter.
	 *
	 * @param string   $content      Admin post thumbnail HTML markup.
	 * @param int      $post_id      Post ID.
	 * @param int|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one.
	 */
	return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id );
}

/**
 * Determines whether the post is currently being edited by another user.
 *
 * @since 2.5.0
 *
 * @param int|WP_Post $post ID or object of the post to check for editing.
 * @return int|false ID of the user with lock. False if the post does not exist, post is not locked,
 *                   the user with lock does not exist, or the post is locked by current user.
 */
function wp_check_post_lock( $post ) {
	$post = get_post( $post );

	if ( ! $post ) {
		return false;
	}

	$lock = get_post_meta( $post->ID, '_edit_lock', true );

	if ( ! $lock ) {
		return false;
	}

	$lock = explode( ':', $lock );
	$time = $lock[0];
	$user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );

	if ( ! get_userdata( $user ) ) {
		return false;
	}

	/** This filter is documented in wp-admin/includes/ajax-actions.php */
	$time_window = apply_filters( 'wp_check_post_lock_window', 150 );

	if ( $time && $time > time() - $time_window && get_current_user_id() != $user ) {
		return $user;
	}

	return false;
}

/**
 * Marks the post as currently being edited by the current user.
 *
 * @since 2.5.0
 *
 * @param int|WP_Post $post ID or object of the post being edited.
 * @return array|false {
 *     Array of the lock time and user ID. False if the post does not exist, or there
 *     is no current user.
 *
 *     @type int $0 The current time as a Unix timestamp.
 *     @type int $1 The ID of the current user.
 * }
 */
function wp_set_post_lock( $post ) {
	$post = get_post( $post );

	if ( ! $post ) {
		return false;
	}

	$user_id = get_current_user_id();

	if ( 0 == $user_id ) {
		return false;
	}

	$now  = time();
	$lock = "$now:$user_id";

	update_post_meta( $post->ID, '_edit_lock', $lock );

	return array( $now, $user_id );
}

/**
 * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
 *
 * @since 2.8.5
 */
function _admin_notice_post_locked() {
	$post = get_post();

	if ( ! $post ) {
		return;
	}

	$user    = null;
	$user_id = wp_check_post_lock( $post->ID );

	if ( $user_id ) {
		$user = get_userdata( $user_id );
	}

	if ( $user ) {
		/**
		 * Filters whether to show the post locked dialog.
		 *
		 * Returning false from the filter will prevent the dialog from being displayed.
		 *
		 * @since 3.6.0
		 *
		 * @param bool    $display Whether to display the dialog. Default true.
		 * @param WP_Post $post    Post object.
		 * @param WP_User $user    The user with the lock for the post.
		 */
		if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) {
			return;
		}

		$locked = true;
	} else {
		$locked = false;
	}

	$sendback = wp_get_referer();
	if ( $locked && $sendback && false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) {

		$sendback_text = __( 'Go back' );
	} else {
		$sendback = admin_url( 'edit.php' );

		if ( 'post' !== $post->post_type ) {
			$sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
		}

		$sendback_text = get_post_type_object( $post->post_type )->labels->all_items;
	}

	$hidden = $locked ? '' : ' hidden';

	?>
	<div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>">
	<div class="notification-dialog-background"></div>
	<div class="notification-dialog">
	<?php

	if ( $locked ) {
		$query_args = array();
		if ( get_post_type_object( $post->post_type )->public ) {
			if ( 'publish' === $post->post_status || $user->ID != $post->post_author ) {
				// Latest content is in autosave.
				$nonce                       = wp_create_nonce( 'post_preview_' . $post->ID );
				$query_args['preview_id']    = $post->ID;
				$query_args['preview_nonce'] = $nonce;
			}
		}

		$preview_link = get_preview_post_link( $post->ID, $query_args );

		/**
		 * Filters whether to allow the post lock to be overridden.
		 *
		 * Returning false from the filter will disable the ability
		 * to override the post lock.
		 *
		 * @since 3.6.0
		 *
		 * @param bool    $override Whether to allow the post lock to be overridden. Default true.
		 * @param WP_Post $post     Post object.
		 * @param WP_User $user     The user with the lock for the post.
		 */
		$override = apply_filters( 'override_post_lock', true, $post, $user );
		$tab_last = $override ? '' : ' wp-tab-last';

		?>
		<div class="post-locked-message">
		<div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div>
		<p class="currently-editing wp-tab-first" tabindex="0">
		<?php
		if ( $override ) {
			/* translators: %s: User's display name. */
			printf( __( '%s is currently editing this post. Do you want to take over?' ), esc_html( $user->display_name ) );
		} else {
			/* translators: %s: User's display name. */
			printf( __( '%s is currently editing this post.' ), esc_html( $user->display_name ) );
		}
		?>
		</p>
		<?php
		/**
		 * Fires inside the post locked dialog before the buttons are displayed.
		 *
		 * @since 3.6.0
		 * @since 5.4.0 The $user parameter was added.
		 *
		 * @param WP_Post $post Post object.
		 * @param WP_User $user The user with the lock for the post.
		 */
		do_action( 'post_locked_dialog', $post, $user );
		?>
		<p>
		<a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a>
		<?php if ( $preview_link ) { ?>
		<a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a>
			<?php
		}

		// Allow plugins to prevent some users overriding the post lock.
		if ( $override ) {
			?>
	<a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e( 'Take over' ); ?></a>
			<?php
		}

		?>
		</p>
		</div>
		<?php
	} else {
		?>
		<div class="post-taken-over">
			<div class="post-locked-avatar"></div>
			<p class="wp-tab-first" tabindex="0">
			<span class="currently-editing"></span><br />
			<span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" alt="" /> <?php _e( 'Saving revision&hellip;' ); ?></span>
			<span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span>
			</p>
			<?php
			/**
			 * Fires inside the dialog displayed when a user has lost the post lock.
			 *
			 * @since 3.6.0
			 *
			 * @param WP_Post $post Post object.
			 */
			do_action( 'post_lock_lost_dialog', $post );
			?>
			<p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p>
		</div>
		<?php
	}

	?>
	</div>
	</div>
	<?php
}

/**
 * Creates autosave data for the specified post from `$_POST` data.
 *
 * @since 2.6.0
 *
 * @param array|int $post_data Associative array containing the post data, or integer post ID.
 *                             If a numeric post ID is provided, will use the `$_POST` superglobal.
 * @return int|WP_Error The autosave revision ID. WP_Error or 0 on error.
 */
function wp_create_post_autosave( $post_data ) {
	if ( is_numeric( $post_data ) ) {
		$post_id   = $post_data;
		$post_data = $_POST;
	} else {
		$post_id = (int) $post_data['post_ID'];
	}

	$post_data = _wp_translate_postdata( true, $post_data );
	if ( is_wp_error( $post_data ) ) {
		return $post_data;
	}
	$post_data = _wp_get_allowed_postdata( $post_data );

	$post_author = get_current_user_id();

	// Store one autosave per author. If there is already an autosave, overwrite it.
	$old_autosave = wp_get_post_autosave( $post_id, $post_author );
	if ( $old_autosave ) {
		$new_autosave                = _wp_post_revision_data( $post_data, true );
		$new_autosave['ID']          = $old_autosave->ID;
		$new_autosave['post_author'] = $post_author;

		$post = get_post( $post_id );

		// If the new autosave has the same content as the post, delete the autosave.
		$autosave_is_different = false;
		foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) {
			if ( normalize_whitespace( $new_autosave[ $field ] ) !== normalize_whitespace( $post->$field ) ) {
				$autosave_is_different = true;
				break;
			}
		}

		if ( ! $autosave_is_different ) {
			wp_delete_post_revision( $old_autosave->ID );
			return 0;
		}

		/**
		 * Fires before an autosave is stored.
		 *
		 * @since 4.1.0
		 *
		 * @param array $new_autosave Post array - the autosave that is about to be saved.
		 */
		do_action( 'wp_creating_autosave', $new_autosave );

		return wp_update_post( $new_autosave );
	}

	// _wp_put_post_revision() expects unescaped.
	$post_data = wp_unslash( $post_data );

	// Otherwise create the new autosave as a special post revision.
	return _wp_put_post_revision( $post_data, true );
}

/**
 * Saves a draft or manually autosaves for the purpose of showing a post preview.
 *
 * @since 2.7.0
 *
 * @return string URL to redirect to show the preview.
 */
function post_preview() {

	$post_id     = (int) $_POST['post_ID'];
	$_POST['ID'] = $post_id;

	$post = get_post( $post_id );

	if ( ! $post ) {
		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
	}

	if ( ! current_user_can( 'edit_post', $post->ID ) ) {
		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
	}

	$is_autosave = false;

	if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author
		&& ( 'draft' === $post->post_status || 'auto-draft' === $post->post_status )
	) {
		$saved_post_id = edit_post();
	} else {
		$is_autosave = true;

		if ( isset( $_POST['post_status'] ) && 'auto-draft' === $_POST['post_status'] ) {
			$_POST['post_status'] = 'draft';
		}

		$saved_post_id = wp_create_post_autosave( $post->ID );
	}

	if ( is_wp_error( $saved_post_id ) ) {
		wp_die( $saved_post_id->get_error_message() );
	}

	$query_args = array();

	if ( $is_autosave && $saved_post_id ) {
		$query_args['preview_id']    = $post->ID;
		$query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID );

		if ( isset( $_POST['post_format'] ) ) {
			$query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] );
		}

		if ( isset( $_POST['_thumbnail_id'] ) ) {
			$query_args['_thumbnail_id'] = ( (int) $_POST['_thumbnail_id'] <= 0 ) ? '-1' : (int) $_POST['_thumbnail_id'];
		}
	}

	return get_preview_post_link( $post, $query_args );
}

/**
 * Saves a post submitted with XHR.
 *
 * Intended for use with heartbeat and autosave.js
 *
 * @since 3.9.0
 *
 * @param array $post_data Associative array of the submitted post data.
 * @return mixed The value 0 or WP_Error on failure. The saved post ID on success.
 *               The ID can be the draft post_id or the autosave revision post_id.
 */
function wp_autosave( $post_data ) {
	// Back-compat.
	if ( ! defined( 'DOING_AUTOSAVE' ) ) {
		define( 'DOING_AUTOSAVE', true );
	}

	$post_id              = (int) $post_data['post_id'];
	$post_data['ID']      = $post_id;
	$post_data['post_ID'] = $post_id;

	if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) {
		return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) );
	}

	$post = get_post( $post_id );

	if ( ! current_user_can( 'edit_post', $post->ID ) ) {
		return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) );
	}

	if ( 'auto-draft' === $post->post_status ) {
		$post_data['post_status'] = 'draft';
	}

	if ( 'page' !== $post_data['post_type'] && ! empty( $post_data['catslist'] ) ) {
		$post_data['post_category'] = explode( ',', $post_data['catslist'] );
	}

	if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author
		&& ( 'auto-draft' === $post->post_status || 'draft' === $post->post_status )
	) {
		// Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked.
		return edit_post( wp_slash( $post_data ) );
	} else {
		// Non-drafts or other users' drafts are not overwritten.
		// The autosave is stored in a special post revision for each user.
		return wp_create_post_autosave( wp_slash( $post_data ) );
	}
}

/**
 * Redirects to previous page.
 *
 * @since 2.7.0
 *
 * @param int $post_id Optional. Post ID.
 */
function redirect_post( $post_id = '' ) {
	if ( isset( $_POST['save'] ) || isset( $_POST['publish'] ) ) {
		$status = get_post_status( $post_id );

		if ( isset( $_POST['publish'] ) ) {
			switch ( $status ) {
				case 'pending':
					$message = 8;
					break;
				case 'future':
					$message = 9;
					break;
				default:
					$message = 6;
			}
		} else {
			$message = 'draft' === $status ? 10 : 1;
		}

		$location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) );
	} elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) {
		$location = add_query_arg( 'message', 2, wp_get_referer() );
		$location = explode( '#', $location );
		$location = $location[0] . '#postcustom';
	} elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) {
		$location = add_query_arg( 'message', 3, wp_get_referer() );
		$location = explode( '#', $location );
		$location = $location[0] . '#postcustom';
	} else {
		$location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) );
	}

	/**
	 * Filters the post redirect destination URL.
	 *
	 * @since 2.9.0
	 *
	 * @param string $location The destination URL.
	 * @param int    $post_id  The post ID.
	 */
	wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) );
	exit;
}

/**
 * Sanitizes POST values from a checkbox taxonomy metabox.
 *
 * @since 5.1.0
 *
 * @param string $taxonomy The taxonomy name.
 * @param array  $terms    Raw term data from the 'tax_input' field.
 * @return int[] Array of sanitized term IDs.
 */
function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) {
	return array_map( 'intval', $terms );
}

/**
 * Sanitizes POST values from an input taxonomy metabox.
 *
 * @since 5.1.0
 *
 * @param string       $taxonomy The taxonomy name.
 * @param array|string $terms    Raw term data from the 'tax_input' field.
 * @return array
 */
function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) {
	/*
	 * Assume that a 'tax_input' string is a comma-separated list of term names.
	 * Some languages may use a character other than a comma as a delimiter, so we standardize on
	 * commas before parsing the list.
	 */
	if ( ! is_array( $terms ) ) {
		$comma = _x( ',', 'tag delimiter' );
		if ( ',' !== $comma ) {
			$terms = str_replace( $comma, ',', $terms );
		}
		$terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
	}

	$clean_terms = array();
	foreach ( $terms as $term ) {
		// Empty terms are invalid input.
		if ( empty( $term ) ) {
			continue;
		}

		$_term = get_terms(
			array(
				'taxonomy'   => $taxonomy,
				'name'       => $term,
				'fields'     => 'ids',
				'hide_empty' => false,
			)
		);

		if ( ! empty( $_term ) ) {
			$clean_terms[] = (int) $_term[0];
		} else {
			// No existing term was found, so pass the string. A new term will be created.
			$clean_terms[] = $term;
		}
	}

	return $clean_terms;
}

/**
 * Prepares server-registered blocks for the block editor.
 *
 * Returns an associative array of registered block data keyed by block name. Data includes properties
 * of a block relevant for client registration.
 *
 * @since 5.0.0
 *
 * @return array An associative array of registered block data.
 */
function get_block_editor_server_block_settings() {
	$block_registry = WP_Block_Type_Registry::get_instance();
	$blocks         = array();
	$fields_to_pick = array(
		'api_version'      => 'apiVersion',
		'title'            => 'title',
		'description'      => 'description',
		'icon'             => 'icon',
		'attributes'       => 'attributes',
		'provides_context' => 'providesContext',
		'uses_context'     => 'usesContext',
		'supports'         => 'supports',
		'category'         => 'category',
		'styles'           => 'styles',
		'textdomain'       => 'textdomain',
		'parent'           => 'parent',
		'ancestor'         => 'ancestor',
		'keywords'         => 'keywords',
		'example'          => 'example',
		'variations'       => 'variations',
	);

	foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) {
		foreach ( $fields_to_pick as $field => $key ) {
			if ( ! isset( $block_type->{ $field } ) ) {
				continue;
			}

			if ( ! isset( $blocks[ $block_name ] ) ) {
				$blocks[ $block_name ] = array();
			}

			$blocks[ $block_name ][ $key ] = $block_type->{ $field };
		}
	}

	return $blocks;
}

/**
 * Renders the meta boxes forms.
 *
 * @since 5.0.0
 *
 * @global WP_Post   $post           Global post object.
 * @global WP_Screen $current_screen WordPress current screen object.
 * @global array     $wp_meta_boxes
 */
function the_block_editor_meta_boxes() {
	global $post, $current_screen, $wp_meta_boxes;

	// Handle meta box state.
	$_original_meta_boxes = $wp_meta_boxes;

	/**
	 * Fires right before the meta boxes are rendered.
	 *
	 * This allows for the filtering of meta box data, that should already be
	 * present by this point. Do not use as a means of adding meta box data.
	 *
	 * @since 5.0.0
	 *
	 * @param array $wp_meta_boxes Global meta box state.
	 */
	$wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes );
	$locations     = array( 'side', 'normal', 'advanced' );
	$priorities    = array( 'high', 'sorted', 'core', 'default', 'low' );

	// Render meta boxes.
	?>
	<form class="metabox-base-form">
	<?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?>
	</form>
	<form id="toggle-custom-fields-form" method="post" action="<?php echo esc_url( admin_url( 'post.php' ) ); ?>">
		<?php wp_nonce_field( 'toggle-custom-fields', 'toggle-custom-fields-nonce' ); ?>
		<input type="hidden" name="action" value="toggle-custom-fields" />
	</form>
	<?php foreach ( $locations as $location ) : ?>
		<form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;">
			<div id="poststuff" class="sidebar-open">
				<div id="postbox-container-2" class="postbox-container">
					<?php
					do_meta_boxes(
						$current_screen,
						$location,
						$post
					);
					?>
				</div>
			</div>
		</form>
	<?php endforeach; ?>
	<?php

	$meta_boxes_per_location = array();
	foreach ( $locations as $location ) {
		$meta_boxes_per_location[ $location ] = array();

		if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) {
			continue;
		}

		foreach ( $priorities as $priority ) {
			if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) {
				continue;
			}

			$meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ];
			foreach ( $meta_boxes as $meta_box ) {
				if ( false == $meta_box || ! $meta_box['title'] ) {
					continue;
				}

				// If a meta box is just here for back compat, don't show it in the block editor.
				if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) {
					continue;
				}

				$meta_boxes_per_location[ $location ][] = array(
					'id'    => $meta_box['id'],
					'title' => $meta_box['title'],
				);
			}
		}
	}

	/*
	 * Sadly we probably cannot add this data directly into editor settings.
	 *
	 * Some meta boxes need `admin_head` to fire for meta box registry.
	 * `admin_head` fires after `admin_enqueue_scripts`, which is where we create
	 * our editor instance.
	 */
	$script = 'window._wpLoadBlockEditor.then( function() {
		wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' );
	} );';

	wp_add_inline_script( 'wp-edit-post', $script );

	/*
	 * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed.
	 * Otherwise, meta boxes will not display because inline scripts for `wp-edit-post`
	 * will not be printed again after this point.
	 */
	if ( wp_script_is( 'wp-edit-post', 'done' ) ) {
		printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) );
	}

	/*
	 * If the 'postcustom' meta box is enabled, then we need to perform
	 * some extra initialization on it.
	 */
	$enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true );

	if ( $enable_custom_fields ) {
		$script = "( function( $ ) {
			if ( $('#postcustom').length ) {
				$( '#the-list' ).wpList( {
					addBefore: function( s ) {
						s.data += '&post_id=$post->ID';
						return s;
					},
					addAfter: function() {
						$('table#list-table').show();
					}
				});
			}
		} )( jQuery );";
		wp_enqueue_script( 'wp-lists' );
		wp_add_inline_script( 'wp-lists', $script );
	}

	/*
	 * Refresh nonces used by the meta box loader.
	 *
	 * The logic is very similar to that provided by post.js for the classic editor.
	 */
	$script = "( function( $ ) {
		var check, timeout;

		function schedule() {
			check = false;
			window.clearTimeout( timeout );
			timeout = window.setTimeout( function() { check = true; }, 300000 );
		}

		$( document ).on( 'heartbeat-send.wp-refresh-nonces', function( e, data ) {
			var post_id, \$authCheck = $( '#wp-auth-check-wrap' );

			if ( check || ( \$authCheck.length && ! \$authCheck.hasClass( 'hidden' ) ) ) {
				if ( ( post_id = $( '#post_ID' ).val() ) && $( '#_wpnonce' ).val() ) {
					data['wp-refresh-metabox-loader-nonces'] = {
						post_id: post_id
					};
				}
			}
		}).on( 'heartbeat-tick.wp-refresh-nonces', function( e, data ) {
			var nonces = data['wp-refresh-metabox-loader-nonces'];

			if ( nonces ) {
				if ( nonces.replace ) {
					if ( nonces.replace.metabox_loader_nonce && window._wpMetaBoxUrl && wp.url ) {
						window._wpMetaBoxUrl= wp.url.addQueryArgs( window._wpMetaBoxUrl, { 'meta-box-loader-nonce': nonces.replace.metabox_loader_nonce } );
					}

					if ( nonces.replace._wpnonce ) {
						$( '#_wpnonce' ).val( nonces.replace._wpnonce );
					}
				}
			}
		}).ready( function() {
			schedule();
		});
	} )( jQuery );";
	wp_add_inline_script( 'heartbeat', $script );

	// Reset meta box data.
	$wp_meta_boxes = $_original_meta_boxes;
}

/**
 * Renders the hidden form required for the meta boxes form.
 *
 * @since 5.0.0
 *
 * @param WP_Post $post Current post object.
 */
function the_block_editor_meta_box_post_form_hidden_fields( $post ) {
	$form_extra = '';
	if ( 'auto-draft' === $post->post_status ) {
		$form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />";
	}
	$form_action  = 'editpost';
	$nonce_action = 'update-post_' . $post->ID;
	$form_extra  .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />";
	$referer      = wp_get_referer();
	$current_user = wp_get_current_user();
	$user_id      = $current_user->ID;
	wp_nonce_field( $nonce_action );

	/*
	 * Some meta boxes hook into these actions to add hidden input fields in the classic post form.
	 * For backward compatibility, we can capture the output from these actions,
	 * and extract the hidden input fields.
	 */
	ob_start();
	/** This filter is documented in wp-admin/edit-form-advanced.php */
	do_action( 'edit_form_after_title', $post );
	/** This filter is documented in wp-admin/edit-form-advanced.php */
	do_action( 'edit_form_advanced', $post );
	$classic_output = ob_get_clean();

	$classic_elements = wp_html_split( $classic_output );
	$hidden_inputs    = '';
	foreach ( $classic_elements as $element ) {
		if ( 0 !== strpos( $element, '<input ' ) ) {
			continue;
		}

		if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) {
			echo $element;
		}
	}
	?>
	<input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" />
	<input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" />
	<input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" />
	<input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" />
	<input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" />
	<input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" />

	<?php
	if ( 'draft' !== get_post_status( $post ) ) {
		wp_original_referer_field( true, 'previous' );
	}
	echo $form_extra;
	wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
	wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
	// Permalink title nonce.
	wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false );

	/**
	 * Adds hidden input fields to the meta box save form.
	 *
	 * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to
	 * the server when meta boxes are saved.
	 *
	 * @since 5.0.0
	 *
	 * @param WP_Post $post The post that is being edited.
	 */
	do_action( 'block_editor_meta_box_hidden_fields', $post );
}

/**
 * Disables block editor for wp_navigation type posts so they can be managed via the UI.
 *
 * @since 5.9.0
 * @access private
 *
 * @param bool   $value Whether the CPT supports block editor or not.
 * @param string $post_type Post type.
 * @return bool Whether the block editor should be disabled or not.
 */
function _disable_block_editor_for_navigation_post_type( $value, $post_type ) {
	if ( 'wp_navigation' === $post_type ) {
		return false;
	}

	return $value;
}

/**
 * This callback disables the content editor for wp_navigation type posts.
 * Content editor cannot handle wp_navigation type posts correctly.
 * We cannot disable the "editor" feature in the wp_navigation's CPT definition
 * because it disables the ability to save navigation blocks via REST API.
 *
 * @since 5.9.0
 * @access private
 *
 * @param WP_Post $post An instance of WP_Post class.
 */
function _disable_content_editor_for_navigation_post_type( $post ) {
	$post_type = get_post_type( $post );
	if ( 'wp_navigation' !== $post_type ) {
		return;
	}

	remove_post_type_support( $post_type, 'editor' );
}

/**
 * This callback enables content editor for wp_navigation type posts.
 * We need to enable it back because we disable it to hide
 * the content editor for wp_navigation type posts.
 *
 * @since 5.9.0
 * @access private
 *
 * @see _disable_content_editor_for_navigation_post_type
 *
 * @param WP_Post $post An instance of WP_Post class.
 */
function _enable_content_editor_for_navigation_post_type( $post ) {
	$post_type = get_post_type( $post );
	if ( 'wp_navigation' !== $post_type ) {
		return;
	}

	add_post_type_support( $post_type, 'editor' );
}

The Means To Spot Actual Vs Fake Hermes Birkin Bag 2025 Update\n<\/p>\n

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This beautiful leather-based is scratch resistant, so that you won\u2019t have to fret an excessive amount of about scuffing. Another point to consider when studying tips on how to spot a fake Herm\u00e8s pockets is the date stamp. This subtle stamp is impressed into the leather without any shade or foil to make it easier to see. Herm\u00e8s date stamps are codes consisting of a single capital letter that a square or circle might surround if before 2015 or a plain single capital leather. No real Herm\u00e8s article has been produced since 1945 without it.\n<\/p>\n

The stitching on the PH model is more refined, which you’ll see within the photos. The stitching of the tags, the whipstitch on the sides, and even the corners, look more even and tighter. The feel of the two knock off Hermes blankets have a difference within the texture of the cashmere\/wool mix.\n<\/p>\n

Crafted from a gentle and sturdy blend of materials, it presents a cozy really feel that\u2019s good for everyday use. While the unique Avalon III boasts an opulent mix of merino wool and cashmere, this dupe provides you an analogous search for a fraction of the price. It\u2019s a perfect selection for these who love the minimalist magnificence of the Avalon III however want a budget-friendly option to boost their area. Herm\u00e8s is a prestigious luxury brand identified for its beautiful craftsmanship and timeless designs. With the rising curiosity in luxury trend, many fans seek to personal Herm\u00e8s products, whether or not authentic or replicas.\n<\/p>\n

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Many mistakes are made when counterfeiting the brand, rendering the horse some deformed and unidentifiable beast. But even when the horse is depicted clearly, the wheels on the carriage may be off. The front wheel (on the right) is slightly smaller than the rear wheel and has 10 spokes, while the rear wheel has 12. While most Herm\u00e8s wallets don’t have a lot hardware, what they do have is excellent high quality when real. Herm\u00e8s hardware is typically created from stable brass plated with gold or palladium.\n<\/p>\n

A Herm\u00e8s Kelly bag could cost $10 replica hermes<\/em><\/strong><\/a>,900 within the retailer, but it sells on the secondary market for $36,000 because the demand outweighs the supply. Luxury prospects who buy designer baggage know they’ve one thing beautiful and desired that maintains its value, so they can gather or resell it. If they take excellent care of a bag from Herm\u00e8s or Chanel and promote it, they’ll get most of their a refund \u2014 and in sure instances, make a revenue. Zipping a Birkin should be an expensive expertise, whether it\u2019s vintage or was crafted in 2023. The zipper should by no means catch or feel stiff if you open or close it.\n<\/p>\n

Do your analysis and browse buyer evaluations before deciding on a dupe. With the best selection, you presumably can rock the long-lasting Hermes Clic H bracelet look without spending a fortune. Available in black and taupe, it is sure to add “some cuteness and luxury” to your accent collection, however it’s value allowing for it is on the smaller side. The Herm\u00e8s leather sandals, particularly the signature Greek Oran Slides, have set a bar in luxury footwear. Adorned with a geometric “H” design, these fashionable sandals exemplify opulence and are crafted from delicate calfskin leather-based. However, with a price tag of $600, these designer sandals may not go nicely with everyone\u2019s price range.<\/p>\n","protected":false},"excerpt":{"rendered":"

The Means To Spot Actual Vs Fake Hermes Birkin Bag 2025 Update A single bag can vary from $10,000 to properly over $200,000 depending on the supplies used. But worry not, the Hermes bag dupe brings you close to this aura of sophistication with out breaking the bank. It has the same well-known bucket form…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts\/11353"}],"collection":[{"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/comments?post=11353"}],"version-history":[{"count":1,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts\/11353\/revisions"}],"predecessor-version":[{"id":11354,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts\/11353\/revisions\/11354"}],"wp:attachment":[{"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/media?parent=11353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/categories?post=11353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/tags?post=11353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}