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<?php
/**
 * Canonical API to handle WordPress Redirecting
 *
 * Based on "Permalink Redirect" from Scott Yang and "Enforce www. Preference"
 * by Mark Jaquith
 *
 * @package WordPress
 * @since 2.3.0
 */

/**
 * Redirects incoming links to the proper URL based on the site url.
 *
 * Search engines consider www.somedomain.com and somedomain.com to be two
 * different URLs when they both go to the same location. This SEO enhancement
 * prevents penalty for duplicate content by redirecting all incoming links to
 * one or the other.
 *
 * Prevents redirection for feeds, trackbacks, searches, and
 * admin URLs. Does not redirect on non-pretty-permalink-supporting IIS 7+,
 * page/post previews, WP admin, Trackbacks, robots.txt, favicon.ico, searches,
 * or on POST requests.
 *
 * Will also attempt to find the correct link when a user enters a URL that does
 * not exist based on exact WordPress query. Will instead try to parse the URL
 * or query in an attempt to figure the correct page to go to.
 *
 * @since 2.3.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 * @global bool       $is_IIS
 * @global WP_Query   $wp_query   WordPress Query object.
 * @global wpdb       $wpdb       WordPress database abstraction object.
 * @global WP         $wp         Current WordPress environment instance.
 *
 * @param string $requested_url Optional. The URL that was requested, used to
 *                              figure if redirect is needed.
 * @param bool   $do_redirect   Optional. Redirect to the new URL.
 * @return string|void The string of the URL, if redirect needed.
 */
function redirect_canonical( $requested_url = null, $do_redirect = true ) {
	global $wp_rewrite, $is_IIS, $wp_query, $wpdb, $wp;

	if ( isset( $_SERVER['REQUEST_METHOD'] ) && ! in_array( strtoupper( $_SERVER['REQUEST_METHOD'] ), array( 'GET', 'HEAD' ), true ) ) {
		return;
	}

	// If we're not in wp-admin and the post has been published and preview nonce
	// is non-existent or invalid then no need for preview in query.
	if ( is_preview() && get_query_var( 'p' ) && 'publish' === get_post_status( get_query_var( 'p' ) ) ) {
		if ( ! isset( $_GET['preview_id'] )
			|| ! isset( $_GET['preview_nonce'] )
			|| ! wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . (int) $_GET['preview_id'] )
		) {
			$wp_query->is_preview = false;
		}
	}

	if ( is_admin() || is_search() || is_preview() || is_trackback() || is_favicon()
		|| ( $is_IIS && ! iis7_supports_permalinks() )
	) {
		return;
	}

	if ( ! $requested_url && isset( $_SERVER['HTTP_HOST'] ) ) {
		// Build the URL in the address bar.
		$requested_url  = is_ssl() ? 'https://' : 'http://';
		$requested_url .= $_SERVER['HTTP_HOST'];
		$requested_url .= $_SERVER['REQUEST_URI'];
	}

	$original = parse_url( $requested_url );
	if ( false === $original ) {
		return;
	}

	$redirect     = $original;
	$redirect_url = false;
	$redirect_obj = false;

	// Notice fixing.
	if ( ! isset( $redirect['path'] ) ) {
		$redirect['path'] = '';
	}
	if ( ! isset( $redirect['query'] ) ) {
		$redirect['query'] = '';
	}

	/*
	 * If the original URL ended with non-breaking spaces, they were almost
	 * certainly inserted by accident. Let's remove them, so the reader doesn't
	 * see a 404 error with no obvious cause.
	 */
	$redirect['path'] = preg_replace( '|(%C2%A0)+$|i', '', $redirect['path'] );

	// It's not a preview, so remove it from URL.
	if ( get_query_var( 'preview' ) ) {
		$redirect['query'] = remove_query_arg( 'preview', $redirect['query'] );
	}

	$post_id = get_query_var( 'p' );

	if ( is_feed() && $post_id ) {
		$redirect_url = get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) );
		$redirect_obj = get_post( $post_id );

		if ( $redirect_url ) {
			$redirect['query'] = _remove_qs_args_if_not_in_url(
				$redirect['query'],
				array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type', 'feed' ),
				$redirect_url
			);

			$redirect['path'] = parse_url( $redirect_url, PHP_URL_PATH );
		}
	}

	if ( is_singular() && $wp_query->post_count < 1 && $post_id ) {

		$vars = $wpdb->get_results( $wpdb->prepare( "SELECT post_type, post_parent FROM $wpdb->posts WHERE ID = %d", $post_id ) );

		if ( ! empty( $vars[0] ) ) {
			$vars = $vars[0];

			if ( 'revision' === $vars->post_type && $vars->post_parent > 0 ) {
				$post_id = $vars->post_parent;
			}

			$redirect_url = get_permalink( $post_id );
			$redirect_obj = get_post( $post_id );

			if ( $redirect_url ) {
				$redirect['query'] = _remove_qs_args_if_not_in_url(
					$redirect['query'],
					array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ),
					$redirect_url
				);
			}
		}
	}

	// These tests give us a WP-generated permalink.
	if ( is_404() ) {

		// Redirect ?page_id, ?p=, ?attachment_id= to their respective URLs.
		$post_id = max( get_query_var( 'p' ), get_query_var( 'page_id' ), get_query_var( 'attachment_id' ) );

		$redirect_post = $post_id ? get_post( $post_id ) : false;

		if ( $redirect_post ) {
			$post_type_obj = get_post_type_object( $redirect_post->post_type );

			if ( $post_type_obj && $post_type_obj->public && 'auto-draft' !== $redirect_post->post_status ) {
				$redirect_url = get_permalink( $redirect_post );
				$redirect_obj = get_post( $redirect_post );

				$redirect['query'] = _remove_qs_args_if_not_in_url(
					$redirect['query'],
					array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ),
					$redirect_url
				);
			}
		}

		$year  = get_query_var( 'year' );
		$month = get_query_var( 'monthnum' );
		$day   = get_query_var( 'day' );

		if ( $year && $month && $day ) {
			$date = sprintf( '%04d-%02d-%02d', $year, $month, $day );

			if ( ! wp_checkdate( $month, $day, $year, $date ) ) {
				$redirect_url = get_month_link( $year, $month );

				$redirect['query'] = _remove_qs_args_if_not_in_url(
					$redirect['query'],
					array( 'year', 'monthnum', 'day' ),
					$redirect_url
				);
			}
		} elseif ( $year && $month && $month > 12 ) {
			$redirect_url = get_year_link( $year );

			$redirect['query'] = _remove_qs_args_if_not_in_url(
				$redirect['query'],
				array( 'year', 'monthnum' ),
				$redirect_url
			);
		}

		// Strip off non-existing <!--nextpage--> links from single posts or pages.
		if ( get_query_var( 'page' ) ) {
			$post_id = 0;

			if ( $wp_query->queried_object instanceof WP_Post ) {
				$post_id = $wp_query->queried_object->ID;
			} elseif ( $wp_query->post ) {
				$post_id = $wp_query->post->ID;
			}

			if ( $post_id ) {
				$redirect_url = get_permalink( $post_id );
				$redirect_obj = get_post( $post_id );

				$redirect['path']  = rtrim( $redirect['path'], (int) get_query_var( 'page' ) . '/' );
				$redirect['query'] = remove_query_arg( 'page', $redirect['query'] );
			}
		}

		if ( ! $redirect_url ) {
			$redirect_url = redirect_guess_404_permalink();

			if ( $redirect_url ) {
				$redirect['query'] = _remove_qs_args_if_not_in_url(
					$redirect['query'],
					array( 'page', 'feed', 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ),
					$redirect_url
				);
			}
		}
	} elseif ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() ) {

		// Rewriting of old ?p=X, ?m=2004, ?m=200401, ?m=20040101.
		if ( is_attachment()
			&& ! array_diff( array_keys( $wp->query_vars ), array( 'attachment', 'attachment_id' ) )
			&& ! $redirect_url
		) {
			if ( ! empty( $_GET['attachment_id'] ) ) {
				$redirect_url = get_attachment_link( get_query_var( 'attachment_id' ) );
				$redirect_obj = get_post( get_query_var( 'attachment_id' ) );

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( 'attachment_id', $redirect['query'] );
				}
			} else {
				$redirect_url = get_attachment_link();
				$redirect_obj = get_post();
			}
		} elseif ( is_single() && ! empty( $_GET['p'] ) && ! $redirect_url ) {
			$redirect_url = get_permalink( get_query_var( 'p' ) );
			$redirect_obj = get_post( get_query_var( 'p' ) );

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( array( 'p', 'post_type' ), $redirect['query'] );
			}
		} elseif ( is_single() && ! empty( $_GET['name'] ) && ! $redirect_url ) {
			$redirect_url = get_permalink( $wp_query->get_queried_object_id() );
			$redirect_obj = get_post( $wp_query->get_queried_object_id() );

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( 'name', $redirect['query'] );
			}
		} elseif ( is_page() && ! empty( $_GET['page_id'] ) && ! $redirect_url ) {
			$redirect_url = get_permalink( get_query_var( 'page_id' ) );
			$redirect_obj = get_post( get_query_var( 'page_id' ) );

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( 'page_id', $redirect['query'] );
			}
		} elseif ( is_page() && ! is_feed() && ! $redirect_url
			&& 'page' === get_option( 'show_on_front' ) && get_queried_object_id() === (int) get_option( 'page_on_front' )
		) {
			$redirect_url = home_url( '/' );
		} elseif ( is_home() && ! empty( $_GET['page_id'] ) && ! $redirect_url
			&& 'page' === get_option( 'show_on_front' ) && get_query_var( 'page_id' ) === (int) get_option( 'page_for_posts' )
		) {
			$redirect_url = get_permalink( get_option( 'page_for_posts' ) );
			$redirect_obj = get_post( get_option( 'page_for_posts' ) );

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( 'page_id', $redirect['query'] );
			}
		} elseif ( ! empty( $_GET['m'] ) && ( is_year() || is_month() || is_day() ) ) {
			$m = get_query_var( 'm' );

			switch ( strlen( $m ) ) {
				case 4: // Yearly.
					$redirect_url = get_year_link( $m );
					break;
				case 6: // Monthly.
					$redirect_url = get_month_link( substr( $m, 0, 4 ), substr( $m, 4, 2 ) );
					break;
				case 8: // Daily.
					$redirect_url = get_day_link( substr( $m, 0, 4 ), substr( $m, 4, 2 ), substr( $m, 6, 2 ) );
					break;
			}

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( 'm', $redirect['query'] );
			}
			// Now moving on to non ?m=X year/month/day links.
		} elseif ( is_date() ) {
			$year  = get_query_var( 'year' );
			$month = get_query_var( 'monthnum' );
			$day   = get_query_var( 'day' );

			if ( is_day() && $year && $month && ! empty( $_GET['day'] ) ) {
				$redirect_url = get_day_link( $year, $month, $day );

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( array( 'year', 'monthnum', 'day' ), $redirect['query'] );
				}
			} elseif ( is_month() && $year && ! empty( $_GET['monthnum'] ) ) {
				$redirect_url = get_month_link( $year, $month );

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( array( 'year', 'monthnum' ), $redirect['query'] );
				}
			} elseif ( is_year() && ! empty( $_GET['year'] ) ) {
				$redirect_url = get_year_link( $year );

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( 'year', $redirect['query'] );
				}
			}
		} elseif ( is_author() && ! empty( $_GET['author'] ) && preg_match( '|^[0-9]+$|', $_GET['author'] ) ) {
			$author = get_userdata( get_query_var( 'author' ) );

			if ( false !== $author
				&& $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE $wpdb->posts.post_author = %d AND $wpdb->posts.post_status = 'publish' LIMIT 1", $author->ID ) )
			) {
				$redirect_url = get_author_posts_url( $author->ID, $author->user_nicename );
				$redirect_obj = $author;

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( 'author', $redirect['query'] );
				}
			}
		} elseif ( is_category() || is_tag() || is_tax() ) { // Terms (tags/categories).
			$term_count = 0;

			foreach ( $wp_query->tax_query->queried_terms as $tax_query ) {
				if ( isset( $tax_query['terms'] ) && is_countable( $tax_query['terms'] ) ) {
					$term_count += count( $tax_query['terms'] );
				}
			}

			$obj = $wp_query->get_queried_object();

			if ( $term_count <= 1 && ! empty( $obj->term_id ) ) {
				$tax_url = get_term_link( (int) $obj->term_id, $obj->taxonomy );

				if ( $tax_url && ! is_wp_error( $tax_url ) ) {
					if ( ! empty( $redirect['query'] ) ) {
						// Strip taxonomy query vars off the URL.
						$qv_remove = array( 'term', 'taxonomy' );

						if ( is_category() ) {
							$qv_remove[] = 'category_name';
							$qv_remove[] = 'cat';
						} elseif ( is_tag() ) {
							$qv_remove[] = 'tag';
							$qv_remove[] = 'tag_id';
						} else {
							// Custom taxonomies will have a custom query var, remove those too.
							$tax_obj = get_taxonomy( $obj->taxonomy );
							if ( false !== $tax_obj->query_var ) {
								$qv_remove[] = $tax_obj->query_var;
							}
						}

						$rewrite_vars = array_diff( array_keys( $wp_query->query ), array_keys( $_GET ) );

						// Check to see if all the query vars are coming from the rewrite, none are set via $_GET.
						if ( ! array_diff( $rewrite_vars, array_keys( $_GET ) ) ) {
							// Remove all of the per-tax query vars.
							$redirect['query'] = remove_query_arg( $qv_remove, $redirect['query'] );

							// Create the destination URL for this taxonomy.
							$tax_url = parse_url( $tax_url );

							if ( ! empty( $tax_url['query'] ) ) {
								// Taxonomy accessible via ?taxonomy=...&term=... or any custom query var.
								parse_str( $tax_url['query'], $query_vars );
								$redirect['query'] = add_query_arg( $query_vars, $redirect['query'] );
							} else {
								// Taxonomy is accessible via a "pretty URL".
								$redirect['path'] = $tax_url['path'];
							}
						} else {
							// Some query vars are set via $_GET. Unset those from $_GET that exist via the rewrite.
							foreach ( $qv_remove as $_qv ) {
								if ( isset( $rewrite_vars[ $_qv ] ) ) {
									$redirect['query'] = remove_query_arg( $_qv, $redirect['query'] );
								}
							}
						}
					}
				}
			}
		} elseif ( is_single() && strpos( $wp_rewrite->permalink_structure, '%category%' ) !== false ) {
			$category_name = get_query_var( 'category_name' );

			if ( $category_name ) {
				$category = get_category_by_path( $category_name );

				if ( ! $category || is_wp_error( $category )
					|| ! has_term( $category->term_id, 'category', $wp_query->get_queried_object_id() )
				) {
					$redirect_url = get_permalink( $wp_query->get_queried_object_id() );
					$redirect_obj = get_post( $wp_query->get_queried_object_id() );
				}
			}
		}

		// Post paging.
		if ( is_singular() && get_query_var( 'page' ) ) {
			$page = get_query_var( 'page' );

			if ( ! $redirect_url ) {
				$redirect_url = get_permalink( get_queried_object_id() );
				$redirect_obj = get_post( get_queried_object_id() );
			}

			if ( $page > 1 ) {
				$redirect_url = trailingslashit( $redirect_url );

				if ( is_front_page() ) {
					$redirect_url .= user_trailingslashit( "$wp_rewrite->pagination_base/$page", 'paged' );
				} else {
					$redirect_url .= user_trailingslashit( $page, 'single_paged' );
				}
			}

			$redirect['query'] = remove_query_arg( 'page', $redirect['query'] );
		}

		if ( get_query_var( 'sitemap' ) ) {
			$redirect_url      = get_sitemap_url( get_query_var( 'sitemap' ), get_query_var( 'sitemap-subtype' ), get_query_var( 'paged' ) );
			$redirect['query'] = remove_query_arg( array( 'sitemap', 'sitemap-subtype', 'paged' ), $redirect['query'] );
		} elseif ( get_query_var( 'paged' ) || is_feed() || get_query_var( 'cpage' ) ) {
			// Paging and feeds.
			$paged = get_query_var( 'paged' );
			$feed  = get_query_var( 'feed' );
			$cpage = get_query_var( 'cpage' );

			while ( preg_match( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", $redirect['path'] )
				|| preg_match( '#/(comments/?)?(feed|rss2?|rdf|atom)(/+)?$#', $redirect['path'] )
				|| preg_match( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+(/+)?$#", $redirect['path'] )
			) {
				// Strip off any existing paging.
				$redirect['path'] = preg_replace( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", '/', $redirect['path'] );
				// Strip off feed endings.
				$redirect['path'] = preg_replace( '#/(comments/?)?(feed|rss2?|rdf|atom)(/+|$)#', '/', $redirect['path'] );
				// Strip off any existing comment paging.
				$redirect['path'] = preg_replace( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+?(/+)?$#", '/', $redirect['path'] );
			}

			$addl_path    = '';
			$default_feed = get_default_feed();

			if ( is_feed() && in_array( $feed, $wp_rewrite->feeds, true ) ) {
				$addl_path = ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '';

				if ( ! is_singular() && get_query_var( 'withcomments' ) ) {
					$addl_path .= 'comments/';
				}

				if ( ( 'rss' === $default_feed && 'feed' === $feed ) || 'rss' === $feed ) {
					$format = ( 'rss2' === $default_feed ) ? '' : 'rss2';
				} else {
					$format = ( $default_feed === $feed || 'feed' === $feed ) ? '' : $feed;
				}

				$addl_path .= user_trailingslashit( 'feed/' . $format, 'feed' );

				$redirect['query'] = remove_query_arg( 'feed', $redirect['query'] );
			} elseif ( is_feed() && 'old' === $feed ) {
				$old_feed_files = array(
					'wp-atom.php'         => 'atom',
					'wp-commentsrss2.php' => 'comments_rss2',
					'wp-feed.php'         => $default_feed,
					'wp-rdf.php'          => 'rdf',
					'wp-rss.php'          => 'rss2',
					'wp-rss2.php'         => 'rss2',
				);

				if ( isset( $old_feed_files[ basename( $redirect['path'] ) ] ) ) {
					$redirect_url = get_feed_link( $old_feed_files[ basename( $redirect['path'] ) ] );

					wp_redirect( $redirect_url, 301 );
					die();
				}
			}

			if ( $paged > 0 ) {
				$redirect['query'] = remove_query_arg( 'paged', $redirect['query'] );

				if ( ! is_feed() ) {
					if ( ! is_single() ) {
						$addl_path = ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '';

						if ( $paged > 1 ) {
							$addl_path .= user_trailingslashit( "$wp_rewrite->pagination_base/$paged", 'paged' );
						}
					}
				} elseif ( $paged > 1 ) {
					$redirect['query'] = add_query_arg( 'paged', $paged, $redirect['query'] );
				}
			}

			$default_comments_page = get_option( 'default_comments_page' );

			if ( get_option( 'page_comments' )
				&& ( 'newest' === $default_comments_page && $cpage > 0
					|| 'newest' !== $default_comments_page && $cpage > 1 )
			) {
				$addl_path  = ( ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '' );
				$addl_path .= user_trailingslashit( $wp_rewrite->comments_pagination_base . '-' . $cpage, 'commentpaged' );

				$redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] );
			}

			// Strip off trailing /index.php/.
			$redirect['path'] = preg_replace( '|/' . preg_quote( $wp_rewrite->index, '|' ) . '/?$|', '/', $redirect['path'] );
			$redirect['path'] = user_trailingslashit( $redirect['path'] );

			if ( ! empty( $addl_path )
				&& $wp_rewrite->using_index_permalinks()
				&& strpos( $redirect['path'], '/' . $wp_rewrite->index . '/' ) === false
			) {
				$redirect['path'] = trailingslashit( $redirect['path'] ) . $wp_rewrite->index . '/';
			}

			if ( ! empty( $addl_path ) ) {
				$redirect['path'] = trailingslashit( $redirect['path'] ) . $addl_path;
			}

			$redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path'];
		}

		if ( 'wp-register.php' === basename( $redirect['path'] ) ) {
			if ( is_multisite() ) {
				/** This filter is documented in wp-login.php */
				$redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) );
			} else {
				$redirect_url = wp_registration_url();
			}

			wp_redirect( $redirect_url, 301 );
			die();
		}
	}

	$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );

	// Tack on any additional query vars.
	if ( $redirect_url && ! empty( $redirect['query'] ) ) {
		parse_str( $redirect['query'], $_parsed_query );
		$redirect = parse_url( $redirect_url );

		if ( ! empty( $_parsed_query['name'] ) && ! empty( $redirect['query'] ) ) {
			parse_str( $redirect['query'], $_parsed_redirect_query );

			if ( empty( $_parsed_redirect_query['name'] ) ) {
				unset( $_parsed_query['name'] );
			}
		}

		$_parsed_query = array_combine(
			rawurlencode_deep( array_keys( $_parsed_query ) ),
			rawurlencode_deep( array_values( $_parsed_query ) )
		);

		$redirect_url = add_query_arg( $_parsed_query, $redirect_url );
	}

	if ( $redirect_url ) {
		$redirect = parse_url( $redirect_url );
	}

	// www.example.com vs. example.com
	$user_home = parse_url( home_url() );

	if ( ! empty( $user_home['host'] ) ) {
		$redirect['host'] = $user_home['host'];
	}

	if ( empty( $user_home['path'] ) ) {
		$user_home['path'] = '/';
	}

	// Handle ports.
	if ( ! empty( $user_home['port'] ) ) {
		$redirect['port'] = $user_home['port'];
	} else {
		unset( $redirect['port'] );
	}

	// Trailing /index.php.
	$redirect['path'] = preg_replace( '|/' . preg_quote( $wp_rewrite->index, '|' ) . '/*?$|', '/', $redirect['path'] );

	$punctuation_pattern = implode(
		'|',
		array_map(
			'preg_quote',
			array(
				' ',
				'%20',  // Space.
				'!',
				'%21',  // Exclamation mark.
				'"',
				'%22',  // Double quote.
				"'",
				'%27',  // Single quote.
				'(',
				'%28',  // Opening bracket.
				')',
				'%29',  // Closing bracket.
				',',
				'%2C',  // Comma.
				'.',
				'%2E',  // Period.
				';',
				'%3B',  // Semicolon.
				'{',
				'%7B',  // Opening curly bracket.
				'}',
				'%7D',  // Closing curly bracket.
				'%E2%80%9C', // Opening curly quote.
				'%E2%80%9D', // Closing curly quote.
			)
		)
	);

	// Remove trailing spaces and end punctuation from the path.
	$redirect['path'] = preg_replace( "#($punctuation_pattern)+$#", '', $redirect['path'] );

	if ( ! empty( $redirect['query'] ) ) {
		// Remove trailing spaces and end punctuation from certain terminating query string args.
		$redirect['query'] = preg_replace( "#((^|&)(p|page_id|cat|tag)=[^&]*?)($punctuation_pattern)+$#", '$1', $redirect['query'] );

		// Clean up empty query strings.
		$redirect['query'] = trim( preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query'] ), '&' );

		// Redirect obsolete feeds.
		$redirect['query'] = preg_replace( '#(^|&)feed=rss(&|$)#', '$1feed=rss2$2', $redirect['query'] );

		// Remove redundant leading ampersands.
		$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );
	}

	// Strip /index.php/ when we're not using PATHINFO permalinks.
	if ( ! $wp_rewrite->using_index_permalinks() ) {
		$redirect['path'] = str_replace( '/' . $wp_rewrite->index . '/', '/', $redirect['path'] );
	}

	// Trailing slashes.
	if ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks()
		&& ! is_404() && ( ! is_front_page() || is_front_page() && get_query_var( 'paged' ) > 1 )
	) {
		$user_ts_type = '';

		if ( get_query_var( 'paged' ) > 0 ) {
			$user_ts_type = 'paged';
		} else {
			foreach ( array( 'single', 'category', 'page', 'day', 'month', 'year', 'home' ) as $type ) {
				$func = 'is_' . $type;
				if ( call_user_func( $func ) ) {
					$user_ts_type = $type;
					break;
				}
			}
		}

		$redirect['path'] = user_trailingslashit( $redirect['path'], $user_ts_type );
	} elseif ( is_front_page() ) {
		$redirect['path'] = trailingslashit( $redirect['path'] );
	}

	// Remove trailing slash for robots.txt or sitemap requests.
	if ( is_robots()
		|| ! empty( get_query_var( 'sitemap' ) ) || ! empty( get_query_var( 'sitemap-stylesheet' ) )
	) {
		$redirect['path'] = untrailingslashit( $redirect['path'] );
	}

	// Strip multiple slashes out of the URL.
	if ( strpos( $redirect['path'], '//' ) > -1 ) {
		$redirect['path'] = preg_replace( '|/+|', '/', $redirect['path'] );
	}

	// Always trailing slash the Front Page URL.
	if ( trailingslashit( $redirect['path'] ) === trailingslashit( $user_home['path'] ) ) {
		$redirect['path'] = trailingslashit( $redirect['path'] );
	}

	$original_host_low = strtolower( $original['host'] );
	$redirect_host_low = strtolower( $redirect['host'] );

	// Ignore differences in host capitalization, as this can lead to infinite redirects.
	// Only redirect no-www <=> yes-www.
	if ( $original_host_low === $redirect_host_low
		|| ( 'www.' . $original_host_low !== $redirect_host_low
			&& 'www.' . $redirect_host_low !== $original_host_low )
	) {
		$redirect['host'] = $original['host'];
	}

	$compare_original = array( $original['host'], $original['path'] );

	if ( ! empty( $original['port'] ) ) {
		$compare_original[] = $original['port'];
	}

	if ( ! empty( $original['query'] ) ) {
		$compare_original[] = $original['query'];
	}

	$compare_redirect = array( $redirect['host'], $redirect['path'] );

	if ( ! empty( $redirect['port'] ) ) {
		$compare_redirect[] = $redirect['port'];
	}

	if ( ! empty( $redirect['query'] ) ) {
		$compare_redirect[] = $redirect['query'];
	}

	if ( $compare_original !== $compare_redirect ) {
		$redirect_url = $redirect['scheme'] . '://' . $redirect['host'];

		if ( ! empty( $redirect['port'] ) ) {
			$redirect_url .= ':' . $redirect['port'];
		}

		$redirect_url .= $redirect['path'];

		if ( ! empty( $redirect['query'] ) ) {
			$redirect_url .= '?' . $redirect['query'];
		}
	}

	if ( ! $redirect_url || $redirect_url === $requested_url ) {
		return;
	}

	// Hex-encoded octets are case-insensitive.
	if ( false !== strpos( $requested_url, '%' ) ) {
		if ( ! function_exists( 'lowercase_octets' ) ) {
			/**
			 * Converts the first hex-encoded octet match to lowercase.
			 *
			 * @since 3.1.0
			 * @ignore
			 *
			 * @param array $matches Hex-encoded octet matches for the requested URL.
			 * @return string Lowercased version of the first match.
			 */
			function lowercase_octets( $matches ) {
				return strtolower( $matches[0] );
			}
		}

		$requested_url = preg_replace_callback( '|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url );
	}

	if ( $redirect_obj instanceof WP_Post ) {
		$post_status_obj = get_post_status_object( get_post_status( $redirect_obj ) );
		/*
		 * Unset the redirect object and URL if they are not readable by the user.
		 * This condition is a little confusing as the condition needs to pass if
		 * the post is not readable by the user. That's why there are ! (not) conditions
		 * throughout.
		 */
		if (
			// Private post statuses only redirect if the user can read them.
			! (
				$post_status_obj->private &&
				current_user_can( 'read_post', $redirect_obj->ID )
			) &&
			// For other posts, only redirect if publicly viewable.
			! is_post_publicly_viewable( $redirect_obj )
		) {
			$redirect_obj = false;
			$redirect_url = false;
		}
	}

	/**
	 * Filters the canonical redirect URL.
	 *
	 * Returning false to this filter will cancel the redirect.
	 *
	 * @since 2.3.0
	 *
	 * @param string $redirect_url  The redirect URL.
	 * @param string $requested_url The requested URL.
	 */
	$redirect_url = apply_filters( 'redirect_canonical', $redirect_url, $requested_url );

	// Yes, again -- in case the filter aborted the request.
	if ( ! $redirect_url || strip_fragment_from_url( $redirect_url ) === strip_fragment_from_url( $requested_url ) ) {
		return;
	}

	if ( $do_redirect ) {
		// Protect against chained redirects.
		if ( ! redirect_canonical( $redirect_url, false ) ) {
			wp_redirect( $redirect_url, 301 );
			exit;
		} else {
			// Debug.
			// die("1: $redirect_url<br />2: " . redirect_canonical( $redirect_url, false ) );
			return;
		}
	} else {
		return $redirect_url;
	}
}

/**
 * Removes arguments from a query string if they are not present in a URL
 * DO NOT use this in plugin code.
 *
 * @since 3.4.0
 * @access private
 *
 * @param string $query_string
 * @param array  $args_to_check
 * @param string $url
 * @return string The altered query string
 */
function _remove_qs_args_if_not_in_url( $query_string, array $args_to_check, $url ) {
	$parsed_url = parse_url( $url );

	if ( ! empty( $parsed_url['query'] ) ) {
		parse_str( $parsed_url['query'], $parsed_query );

		foreach ( $args_to_check as $qv ) {
			if ( ! isset( $parsed_query[ $qv ] ) ) {
				$query_string = remove_query_arg( $qv, $query_string );
			}
		}
	} else {
		$query_string = remove_query_arg( $args_to_check, $query_string );
	}

	return $query_string;
}

/**
 * Strips the #fragment from a URL, if one is present.
 *
 * @since 4.4.0
 *
 * @param string $url The URL to strip.
 * @return string The altered URL.
 */
function strip_fragment_from_url( $url ) {
	$parsed_url = wp_parse_url( $url );

	if ( ! empty( $parsed_url['host'] ) ) {
		$url = '';

		if ( ! empty( $parsed_url['scheme'] ) ) {
			$url = $parsed_url['scheme'] . ':';
		}

		$url .= '//' . $parsed_url['host'];

		if ( ! empty( $parsed_url['port'] ) ) {
			$url .= ':' . $parsed_url['port'];
		}

		if ( ! empty( $parsed_url['path'] ) ) {
			$url .= $parsed_url['path'];
		}

		if ( ! empty( $parsed_url['query'] ) ) {
			$url .= '?' . $parsed_url['query'];
		}
	}

	return $url;
}

/**
 * Attempts to guess the correct URL for a 404 request based on query vars.
 *
 * @since 2.3.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @return string|false The correct URL if one is found. False on failure.
 */
function redirect_guess_404_permalink() {
	global $wpdb;

	/**
	 * Filters whether to attempt to guess a redirect URL for a 404 request.
	 *
	 * Returning a false value from the filter will disable the URL guessing
	 * and return early without performing a redirect.
	 *
	 * @since 5.5.0
	 *
	 * @param bool $do_redirect_guess Whether to attempt to guess a redirect URL
	 *                                for a 404 request. Default true.
	 */
	if ( false === apply_filters( 'do_redirect_guess_404_permalink', true ) ) {
		return false;
	}

	/**
	 * Short-circuits the redirect URL guessing for 404 requests.
	 *
	 * Returning a non-null value from the filter will effectively short-circuit
	 * the URL guessing, returning the passed value instead.
	 *
	 * @since 5.5.0
	 *
	 * @param null|string|false $pre Whether to short-circuit guessing the redirect for a 404.
	 *                               Default null to continue with the URL guessing.
	 */
	$pre = apply_filters( 'pre_redirect_guess_404_permalink', null );
	if ( null !== $pre ) {
		return $pre;
	}

	if ( get_query_var( 'name' ) ) {
		/**
		 * Filters whether to perform a strict guess for a 404 redirect.
		 *
		 * Returning a truthy value from the filter will redirect only exact post_name matches.
		 *
		 * @since 5.5.0
		 *
		 * @param bool $strict_guess Whether to perform a strict guess. Default false (loose guess).
		 */
		$strict_guess = apply_filters( 'strict_redirect_guess_404_permalink', false );

		if ( $strict_guess ) {
			$where = $wpdb->prepare( 'post_name = %s', get_query_var( 'name' ) );
		} else {
			$where = $wpdb->prepare( 'post_name LIKE %s', $wpdb->esc_like( get_query_var( 'name' ) ) . '%' );
		}

		// If any of post_type, year, monthnum, or day are set, use them to refine the query.
		if ( get_query_var( 'post_type' ) ) {
			if ( is_array( get_query_var( 'post_type' ) ) ) {
				// phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
				$where .= " AND post_type IN ('" . join( "', '", esc_sql( get_query_var( 'post_type' ) ) ) . "')";
			} else {
				$where .= $wpdb->prepare( ' AND post_type = %s', get_query_var( 'post_type' ) );
			}
		} else {
			$where .= " AND post_type IN ('" . implode( "', '", get_post_types( array( 'public' => true ) ) ) . "')";
		}

		if ( get_query_var( 'year' ) ) {
			$where .= $wpdb->prepare( ' AND YEAR(post_date) = %d', get_query_var( 'year' ) );
		}
		if ( get_query_var( 'monthnum' ) ) {
			$where .= $wpdb->prepare( ' AND MONTH(post_date) = %d', get_query_var( 'monthnum' ) );
		}
		if ( get_query_var( 'day' ) ) {
			$where .= $wpdb->prepare( ' AND DAYOFMONTH(post_date) = %d', get_query_var( 'day' ) );
		}

		$publicly_viewable_statuses = array_filter( get_post_stati(), 'is_post_status_viewable' );
		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$post_id = $wpdb->get_var( "SELECT ID FROM $wpdb->posts WHERE $where AND post_status IN ('" . implode( "', '", esc_sql( $publicly_viewable_statuses ) ) . "')" );

		if ( ! $post_id ) {
			return false;
		}

		if ( get_query_var( 'feed' ) ) {
			return get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) );
		} elseif ( get_query_var( 'page' ) > 1 ) {
			return trailingslashit( get_permalink( $post_id ) ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' );
		} else {
			return get_permalink( $post_id );
		}
	}

	return false;
}

/**
 * Redirects a variety of shorthand URLs to the admin.
 *
 * If a user visits example.com/admin, they'll be redirected to /wp-admin.
 * Visiting /login redirects to /wp-login.php, and so on.
 *
 * @since 3.4.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 */
function wp_redirect_admin_locations() {
	global $wp_rewrite;

	if ( ! ( is_404() && $wp_rewrite->using_permalinks() ) ) {
		return;
	}

	$admins = array(
		home_url( 'wp-admin', 'relative' ),
		home_url( 'dashboard', 'relative' ),
		home_url( 'admin', 'relative' ),
		site_url( 'dashboard', 'relative' ),
		site_url( 'admin', 'relative' ),
	);

	if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $admins, true ) ) {
		wp_redirect( admin_url() );
		exit;
	}

	$logins = array(
		home_url( 'wp-login.php', 'relative' ),
		home_url( 'login', 'relative' ),
		site_url( 'login', 'relative' ),
	);

	if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $logins, true ) ) {
		wp_redirect( wp_login_url() );
		exit;
	}
}
You still have a lot of sexual exploration to do if you – Base de données MCPV "Prestataires"

Base de données MCPV "Prestataires"

You still have a lot of sexual exploration to do if you

Squirting: Definition, The Means It Feels, And Ideas

Here’s how you can try to squirt, or find internal peace if you can’t make squirting occur. If you wish to know tips on how to squirt throughout intercourse (or whether or not you even can squirt) it’s not easy to get information. When you google “squirting how do you squirt ,” the outcomes are a mixed bag.

The glass G-Spot wand is a chic software designed to give her lots of pleasure, making it a must-have in your sex toy box. Try to method your squirting journey with a way of playful exploration. Assuming none of these issues are in the finest way, a vulva-owner should be in a position to have a squirting orgasm. For one, peeing hardly ever feels as pleasurable as sex or orgasm. When it involves coming as a vulva owner, individuals have plenty of questions.

Well, there’s solely a lot you can do with a penis and your fingers, and if that fails, there’s completely no disgrace in bringing in some synthetic help. So far, I even have launched the process for male squirting and the objects wanted to perform it. If you feel any discomfort, cease instantly and revel in squirting masturbation safely.

Many folks describe that the second earlier than they squirt it looks like they want to pee. While this will really feel complicated, in order to squirt, you actually have to loosen up into that feeling and let it occur. Doing this will increase blood circulate over an extended period of time and intensifies arousal.

” If you ever had a lady tell you that, then that has the exact opposite impact. You still have a lot of sexual exploration to do if you haven’t had intercourse five or ten instances but. So you don’t have to go and bring out the massive weapons yet. This is the big gun that you just convey out maybe ten occasions in when it’s getting a little bit stale and also you wish to really spice it up and present her something loopy and new. Do not do this with a girl that you’re having sex with for the primary time.

Some may ejaculate during G-spot stimulation or with a double stimulation of the clitoris and G-spot. Others may ejaculate solely on the finish when their vagina is now not penetrated. Squirting requires extra preparation so take pleasure in getting ready. Do what you have to get totally turned on and ready to squirt.

Squirting: Definition, The Means It Feels, And Ideas Here’s how you can try to squirt, or find internal peace if you can’t make squirting occur. If you wish to know tips on how to squirt throughout intercourse (or whether or not you even can squirt) it’s not easy to get information. When you google “squirting…

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