Mini Shell

<?php
/**
 * File contains all the administration image manipulation functions.
 *
 * @package WordPress
 * @subpackage Administration
 */

/**
 * Crops an image to a given size.
 *
 * @since 2.1.0
 *
 * @param string|int   $src      The source file or Attachment ID.
 * @param int          $src_x    The start x position to crop from.
 * @param int          $src_y    The start y position to crop from.
 * @param int          $src_w    The width to crop.
 * @param int          $src_h    The height to crop.
 * @param int          $dst_w    The destination width.
 * @param int          $dst_h    The destination height.
 * @param bool|false   $src_abs  Optional. If the source crop points are absolute.
 * @param string|false $dst_file Optional. The destination file to write to.
 * @return string|WP_Error New filepath on success, WP_Error on failure.
 */
function wp_crop_image( $src, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs = false, $dst_file = false ) {
	$src_file = $src;
	if ( is_numeric( $src ) ) { // Handle int as attachment ID.
		$src_file = get_attached_file( $src );

		if ( ! file_exists( $src_file ) ) {
			// If the file doesn't exist, attempt a URL fopen on the src link.
			// This can occur with certain file replication plugins.
			$src = _load_image_to_edit_path( $src, 'full' );
		} else {
			$src = $src_file;
		}
	}

	$editor = wp_get_image_editor( $src );
	if ( is_wp_error( $editor ) ) {
		return $editor;
	}

	$src = $editor->crop( $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs );
	if ( is_wp_error( $src ) ) {
		return $src;
	}

	if ( ! $dst_file ) {
		$dst_file = str_replace( wp_basename( $src_file ), 'cropped-' . wp_basename( $src_file ), $src_file );
	}

	/*
	 * The directory containing the original file may no longer exist when
	 * using a replication plugin.
	 */
	wp_mkdir_p( dirname( $dst_file ) );

	$dst_file = dirname( $dst_file ) . '/' . wp_unique_filename( dirname( $dst_file ), wp_basename( $dst_file ) );

	$result = $editor->save( $dst_file );
	if ( is_wp_error( $result ) ) {
		return $result;
	}

	if ( ! empty( $result['path'] ) ) {
		return $result['path'];
	}

	return $dst_file;
}

/**
 * Compare the existing image sub-sizes (as saved in the attachment meta)
 * to the currently registered image sub-sizes, and return the difference.
 *
 * Registered sub-sizes that are larger than the image are skipped.
 *
 * @since 5.3.0
 *
 * @param int $attachment_id The image attachment post ID.
 * @return array[] Associative array of arrays of image sub-size information for
 *                 missing image sizes, keyed by image size name.
 */
function wp_get_missing_image_subsizes( $attachment_id ) {
	if ( ! wp_attachment_is_image( $attachment_id ) ) {
		return array();
	}

	$registered_sizes = wp_get_registered_image_subsizes();
	$image_meta       = wp_get_attachment_metadata( $attachment_id );

	// Meta error?
	if ( empty( $image_meta ) ) {
		return $registered_sizes;
	}

	// Use the originally uploaded image dimensions as full_width and full_height.
	if ( ! empty( $image_meta['original_image'] ) ) {
		$image_file = wp_get_original_image_path( $attachment_id );
		$imagesize  = wp_getimagesize( $image_file );
	}

	if ( ! empty( $imagesize ) ) {
		$full_width  = $imagesize[0];
		$full_height = $imagesize[1];
	} else {
		$full_width  = (int) $image_meta['width'];
		$full_height = (int) $image_meta['height'];
	}

	$possible_sizes = array();

	// Skip registered sizes that are too large for the uploaded image.
	foreach ( $registered_sizes as $size_name => $size_data ) {
		if ( image_resize_dimensions( $full_width, $full_height, $size_data['width'], $size_data['height'], $size_data['crop'] ) ) {
			$possible_sizes[ $size_name ] = $size_data;
		}
	}

	if ( empty( $image_meta['sizes'] ) ) {
		$image_meta['sizes'] = array();
	}

	/*
	 * Remove sizes that already exist. Only checks for matching "size names".
	 * It is possible that the dimensions for a particular size name have changed.
	 * For example the user has changed the values on the Settings -> Media screen.
	 * However we keep the old sub-sizes with the previous dimensions
	 * as the image may have been used in an older post.
	 */
	$missing_sizes = array_diff_key( $possible_sizes, $image_meta['sizes'] );

	/**
	 * Filters the array of missing image sub-sizes for an uploaded image.
	 *
	 * @since 5.3.0
	 *
	 * @param array[] $missing_sizes Associative array of arrays of image sub-size information for
	 *                               missing image sizes, keyed by image size name.
	 * @param array   $image_meta    The image meta data.
	 * @param int     $attachment_id The image attachment post ID.
	 */
	return apply_filters( 'wp_get_missing_image_subsizes', $missing_sizes, $image_meta, $attachment_id );
}

/**
 * If any of the currently registered image sub-sizes are missing,
 * create them and update the image meta data.
 *
 * @since 5.3.0
 *
 * @param int $attachment_id The image attachment post ID.
 * @return array|WP_Error The updated image meta data array or WP_Error object
 *                        if both the image meta and the attached file are missing.
 */
function wp_update_image_subsizes( $attachment_id ) {
	$image_meta = wp_get_attachment_metadata( $attachment_id );
	$image_file = wp_get_original_image_path( $attachment_id );

	if ( empty( $image_meta ) || ! is_array( $image_meta ) ) {
		// Previously failed upload?
		// If there is an uploaded file, make all sub-sizes and generate all of the attachment meta.
		if ( ! empty( $image_file ) ) {
			$image_meta = wp_create_image_subsizes( $image_file, $attachment_id );
		} else {
			return new WP_Error( 'invalid_attachment', __( 'The attached file cannot be found.' ) );
		}
	} else {
		$missing_sizes = wp_get_missing_image_subsizes( $attachment_id );

		if ( empty( $missing_sizes ) ) {
			return $image_meta;
		}

		// This also updates the image meta.
		$image_meta = _wp_make_subsizes( $missing_sizes, $image_file, $image_meta, $attachment_id );
	}

	/** This filter is documented in wp-admin/includes/image.php */
	$image_meta = apply_filters( 'wp_generate_attachment_metadata', $image_meta, $attachment_id, 'update' );

	// Save the updated metadata.
	wp_update_attachment_metadata( $attachment_id, $image_meta );

	return $image_meta;
}

/**
 * Updates the attached file and image meta data when the original image was edited.
 *
 * @since 5.3.0
 * @since 6.0.0 The `$filesize` value was added to the returned array.
 * @access private
 *
 * @param array  $saved_data    The data returned from WP_Image_Editor after successfully saving an image.
 * @param string $original_file Path to the original file.
 * @param array  $image_meta    The image meta data.
 * @param int    $attachment_id The attachment post ID.
 * @return array The updated image meta data.
 */
function _wp_image_meta_replace_original( $saved_data, $original_file, $image_meta, $attachment_id ) {
	$new_file = $saved_data['path'];

	// Update the attached file meta.
	update_attached_file( $attachment_id, $new_file );

	// Width and height of the new image.
	$image_meta['width']  = $saved_data['width'];
	$image_meta['height'] = $saved_data['height'];

	// Make the file path relative to the upload dir.
	$image_meta['file'] = _wp_relative_upload_path( $new_file );

	// Add image file size.
	$image_meta['filesize'] = wp_filesize( $new_file );

	// Store the original image file name in image_meta.
	$image_meta['original_image'] = wp_basename( $original_file );

	return $image_meta;
}

/**
 * Creates image sub-sizes, adds the new data to the image meta `sizes` array, and updates the image metadata.
 *
 * Intended for use after an image is uploaded. Saves/updates the image metadata after each
 * sub-size is created. If there was an error, it is added to the returned image metadata array.
 *
 * @since 5.3.0
 *
 * @param string $file          Full path to the image file.
 * @param int    $attachment_id Attachment ID to process.
 * @return array The image attachment meta data.
 */
function wp_create_image_subsizes( $file, $attachment_id ) {
	$imagesize = wp_getimagesize( $file );

	if ( empty( $imagesize ) ) {
		// File is not an image.
		return array();
	}

	// Default image meta.
	$image_meta = array(
		'width'    => $imagesize[0],
		'height'   => $imagesize[1],
		'file'     => _wp_relative_upload_path( $file ),
		'filesize' => wp_filesize( $file ),
		'sizes'    => array(),
	);

	// Fetch additional metadata from EXIF/IPTC.
	$exif_meta = wp_read_image_metadata( $file );

	if ( $exif_meta ) {
		$image_meta['image_meta'] = $exif_meta;
	}

	// Do not scale (large) PNG images. May result in sub-sizes that have greater file size than the original. See #48736.
	if ( 'image/png' !== $imagesize['mime'] ) {

		/**
		 * Filters the "BIG image" threshold value.
		 *
		 * If the original image width or height is above the threshold, it will be scaled down. The threshold is
		 * used as max width and max height. The scaled down image will be used as the largest available size, including
		 * the `_wp_attached_file` post meta value.
		 *
		 * Returning `false` from the filter callback will disable the scaling.
		 *
		 * @since 5.3.0
		 *
		 * @param int    $threshold     The threshold value in pixels. Default 2560.
		 * @param array  $imagesize     {
		 *     Indexed array of the image width and height in pixels.
		 *
		 *     @type int $0 The image width.
		 *     @type int $1 The image height.
		 * }
		 * @param string $file          Full path to the uploaded image file.
		 * @param int    $attachment_id Attachment post ID.
		 */
		$threshold = (int) apply_filters( 'big_image_size_threshold', 2560, $imagesize, $file, $attachment_id );

		// If the original image's dimensions are over the threshold,
		// scale the image and use it as the "full" size.
		if ( $threshold && ( $image_meta['width'] > $threshold || $image_meta['height'] > $threshold ) ) {
			$editor = wp_get_image_editor( $file );

			if ( is_wp_error( $editor ) ) {
				// This image cannot be edited.
				return $image_meta;
			}

			// Resize the image.
			$resized = $editor->resize( $threshold, $threshold );
			$rotated = null;

			// If there is EXIF data, rotate according to EXIF Orientation.
			if ( ! is_wp_error( $resized ) && is_array( $exif_meta ) ) {
				$resized = $editor->maybe_exif_rotate();
				$rotated = $resized;
			}

			if ( ! is_wp_error( $resized ) ) {
				// Append "-scaled" to the image file name. It will look like "my_image-scaled.jpg".
				// This doesn't affect the sub-sizes names as they are generated from the original image (for best quality).
				$saved = $editor->save( $editor->generate_filename( 'scaled' ) );

				if ( ! is_wp_error( $saved ) ) {
					$image_meta = _wp_image_meta_replace_original( $saved, $file, $image_meta, $attachment_id );

					// If the image was rotated update the stored EXIF data.
					if ( true === $rotated && ! empty( $image_meta['image_meta']['orientation'] ) ) {
						$image_meta['image_meta']['orientation'] = 1;
					}
				} else {
					// TODO: Log errors.
				}
			} else {
				// TODO: Log errors.
			}
		} elseif ( ! empty( $exif_meta['orientation'] ) && 1 !== (int) $exif_meta['orientation'] ) {
			// Rotate the whole original image if there is EXIF data and "orientation" is not 1.

			$editor = wp_get_image_editor( $file );

			if ( is_wp_error( $editor ) ) {
				// This image cannot be edited.
				return $image_meta;
			}

			// Rotate the image.
			$rotated = $editor->maybe_exif_rotate();

			if ( true === $rotated ) {
				// Append `-rotated` to the image file name.
				$saved = $editor->save( $editor->generate_filename( 'rotated' ) );

				if ( ! is_wp_error( $saved ) ) {
					$image_meta = _wp_image_meta_replace_original( $saved, $file, $image_meta, $attachment_id );

					// Update the stored EXIF data.
					if ( ! empty( $image_meta['image_meta']['orientation'] ) ) {
						$image_meta['image_meta']['orientation'] = 1;
					}
				} else {
					// TODO: Log errors.
				}
			}
		}
	}

	/*
	 * Initial save of the new metadata.
	 * At this point the file was uploaded and moved to the uploads directory
	 * but the image sub-sizes haven't been created yet and the `sizes` array is empty.
	 */
	wp_update_attachment_metadata( $attachment_id, $image_meta );

	$new_sizes = wp_get_registered_image_subsizes();

	/**
	 * Filters the image sizes automatically generated when uploading an image.
	 *
	 * @since 2.9.0
	 * @since 4.4.0 Added the `$image_meta` argument.
	 * @since 5.3.0 Added the `$attachment_id` argument.
	 *
	 * @param array $new_sizes     Associative array of image sizes to be created.
	 * @param array $image_meta    The image meta data: width, height, file, sizes, etc.
	 * @param int   $attachment_id The attachment post ID for the image.
	 */
	$new_sizes = apply_filters( 'intermediate_image_sizes_advanced', $new_sizes, $image_meta, $attachment_id );

	return _wp_make_subsizes( $new_sizes, $file, $image_meta, $attachment_id );
}

/**
 * Low-level function to create image sub-sizes.
 *
 * Updates the image meta after each sub-size is created.
 * Errors are stored in the returned image metadata array.
 *
 * @since 5.3.0
 * @access private
 *
 * @param array  $new_sizes     Array defining what sizes to create.
 * @param string $file          Full path to the image file.
 * @param array  $image_meta    The attachment meta data array.
 * @param int    $attachment_id Attachment ID to process.
 * @return array The attachment meta data with updated `sizes` array. Includes an array of errors encountered while resizing.
 */
function _wp_make_subsizes( $new_sizes, $file, $image_meta, $attachment_id ) {
	if ( empty( $image_meta ) || ! is_array( $image_meta ) ) {
		// Not an image attachment.
		return array();
	}

	// Check if any of the new sizes already exist.
	if ( isset( $image_meta['sizes'] ) && is_array( $image_meta['sizes'] ) ) {
		foreach ( $image_meta['sizes'] as $size_name => $size_meta ) {
			/*
			 * Only checks "size name" so we don't override existing images even if the dimensions
			 * don't match the currently defined size with the same name.
			 * To change the behavior, unset changed/mismatched sizes in the `sizes` array in image meta.
			 */
			if ( array_key_exists( $size_name, $new_sizes ) ) {
				unset( $new_sizes[ $size_name ] );
			}
		}
	} else {
		$image_meta['sizes'] = array();
	}

	if ( empty( $new_sizes ) ) {
		// Nothing to do...
		return $image_meta;
	}

	/*
	 * Sort the image sub-sizes in order of priority when creating them.
	 * This ensures there is an appropriate sub-size the user can access immediately
	 * even when there was an error and not all sub-sizes were created.
	 */
	$priority = array(
		'medium'       => null,
		'large'        => null,
		'thumbnail'    => null,
		'medium_large' => null,
	);

	$new_sizes = array_filter( array_merge( $priority, $new_sizes ) );

	$editor = wp_get_image_editor( $file );

	if ( is_wp_error( $editor ) ) {
		// The image cannot be edited.
		return $image_meta;
	}

	// If stored EXIF data exists, rotate the source image before creating sub-sizes.
	if ( ! empty( $image_meta['image_meta'] ) ) {
		$rotated = $editor->maybe_exif_rotate();

		if ( is_wp_error( $rotated ) ) {
			// TODO: Log errors.
		}
	}

	if ( method_exists( $editor, 'make_subsize' ) ) {
		foreach ( $new_sizes as $new_size_name => $new_size_data ) {
			$new_size_meta = $editor->make_subsize( $new_size_data );

			if ( is_wp_error( $new_size_meta ) ) {
				// TODO: Log errors.
			} else {
				// Save the size meta value.
				$image_meta['sizes'][ $new_size_name ] = $new_size_meta;
				wp_update_attachment_metadata( $attachment_id, $image_meta );
			}
		}
	} else {
		// Fall back to `$editor->multi_resize()`.
		$created_sizes = $editor->multi_resize( $new_sizes );

		if ( ! empty( $created_sizes ) ) {
			$image_meta['sizes'] = array_merge( $image_meta['sizes'], $created_sizes );
			wp_update_attachment_metadata( $attachment_id, $image_meta );
		}
	}

	return $image_meta;
}

/**
 * Generates attachment meta data and create image sub-sizes for images.
 *
 * @since 2.1.0
 * @since 6.0.0 The `$filesize` value was added to the returned array.
 *
 * @param int    $attachment_id Attachment ID to process.
 * @param string $file          Filepath of the attached image.
 * @return array Metadata for attachment.
 */
function wp_generate_attachment_metadata( $attachment_id, $file ) {
	$attachment = get_post( $attachment_id );

	$metadata  = array();
	$support   = false;
	$mime_type = get_post_mime_type( $attachment );

	if ( preg_match( '!^image/!', $mime_type ) && file_is_displayable_image( $file ) ) {
		// Make thumbnails and other intermediate sizes.
		$metadata = wp_create_image_subsizes( $file, $attachment_id );
	} elseif ( wp_attachment_is( 'video', $attachment ) ) {
		$metadata = wp_read_video_metadata( $file );
		$support  = current_theme_supports( 'post-thumbnails', 'attachment:video' ) || post_type_supports( 'attachment:video', 'thumbnail' );
	} elseif ( wp_attachment_is( 'audio', $attachment ) ) {
		$metadata = wp_read_audio_metadata( $file );
		$support  = current_theme_supports( 'post-thumbnails', 'attachment:audio' ) || post_type_supports( 'attachment:audio', 'thumbnail' );
	}

	/*
	 * wp_read_video_metadata() and wp_read_audio_metadata() return `false`
	 * if the attachment does not exist in the local filesystem,
	 * so make sure to convert the value to an array.
	 */
	if ( ! is_array( $metadata ) ) {
		$metadata = array();
	}

	if ( $support && ! empty( $metadata['image']['data'] ) ) {
		// Check for existing cover.
		$hash   = md5( $metadata['image']['data'] );
		$posts  = get_posts(
			array(
				'fields'         => 'ids',
				'post_type'      => 'attachment',
				'post_mime_type' => $metadata['image']['mime'],
				'post_status'    => 'inherit',
				'posts_per_page' => 1,
				'meta_key'       => '_cover_hash',
				'meta_value'     => $hash,
			)
		);
		$exists = reset( $posts );

		if ( ! empty( $exists ) ) {
			update_post_meta( $attachment_id, '_thumbnail_id', $exists );
		} else {
			$ext = '.jpg';
			switch ( $metadata['image']['mime'] ) {
				case 'image/gif':
					$ext = '.gif';
					break;
				case 'image/png':
					$ext = '.png';
					break;
				case 'image/webp':
					$ext = '.webp';
					break;
			}
			$basename = str_replace( '.', '-', wp_basename( $file ) ) . '-image' . $ext;
			$uploaded = wp_upload_bits( $basename, '', $metadata['image']['data'] );
			if ( false === $uploaded['error'] ) {
				$image_attachment = array(
					'post_mime_type' => $metadata['image']['mime'],
					'post_type'      => 'attachment',
					'post_content'   => '',
				);
				/**
				 * Filters the parameters for the attachment thumbnail creation.
				 *
				 * @since 3.9.0
				 *
				 * @param array $image_attachment An array of parameters to create the thumbnail.
				 * @param array $metadata         Current attachment metadata.
				 * @param array $uploaded         {
				 *     Information about the newly-uploaded file.
				 *
				 *     @type string $file  Filename of the newly-uploaded file.
				 *     @type string $url   URL of the uploaded file.
				 *     @type string $type  File type.
				 * }
				 */
				$image_attachment = apply_filters( 'attachment_thumbnail_args', $image_attachment, $metadata, $uploaded );

				$sub_attachment_id = wp_insert_attachment( $image_attachment, $uploaded['file'] );
				add_post_meta( $sub_attachment_id, '_cover_hash', $hash );
				$attach_data = wp_generate_attachment_metadata( $sub_attachment_id, $uploaded['file'] );
				wp_update_attachment_metadata( $sub_attachment_id, $attach_data );
				update_post_meta( $attachment_id, '_thumbnail_id', $sub_attachment_id );
			}
		}
	} elseif ( 'application/pdf' === $mime_type ) {
		// Try to create image thumbnails for PDFs.

		$fallback_sizes = array(
			'thumbnail',
			'medium',
			'large',
		);

		/**
		 * Filters the image sizes generated for non-image mime types.
		 *
		 * @since 4.7.0
		 *
		 * @param string[] $fallback_sizes An array of image size names.
		 * @param array    $metadata       Current attachment metadata.
		 */
		$fallback_sizes = apply_filters( 'fallback_intermediate_image_sizes', $fallback_sizes, $metadata );

		$registered_sizes = wp_get_registered_image_subsizes();
		$merged_sizes     = array_intersect_key( $registered_sizes, array_flip( $fallback_sizes ) );

		// Force thumbnails to be soft crops.
		if ( isset( $merged_sizes['thumbnail'] ) && is_array( $merged_sizes['thumbnail'] ) ) {
			$merged_sizes['thumbnail']['crop'] = false;
		}

		// Only load PDFs in an image editor if we're processing sizes.
		if ( ! empty( $merged_sizes ) ) {
			$editor = wp_get_image_editor( $file );

			if ( ! is_wp_error( $editor ) ) { // No support for this type of file.
				/*
				 * PDFs may have the same file filename as JPEGs.
				 * Ensure the PDF preview image does not overwrite any JPEG images that already exist.
				 */
				$dirname      = dirname( $file ) . '/';
				$ext          = '.' . pathinfo( $file, PATHINFO_EXTENSION );
				$preview_file = $dirname . wp_unique_filename( $dirname, wp_basename( $file, $ext ) . '-pdf.jpg' );

				$uploaded = $editor->save( $preview_file, 'image/jpeg' );
				unset( $editor );

				// Resize based on the full size image, rather than the source.
				if ( ! is_wp_error( $uploaded ) ) {
					$image_file = $uploaded['path'];
					unset( $uploaded['path'] );

					$metadata['sizes'] = array(
						'full' => $uploaded,
					);

					// Save the meta data before any image post-processing errors could happen.
					wp_update_attachment_metadata( $attachment_id, $metadata );

					// Create sub-sizes saving the image meta after each.
					$metadata = _wp_make_subsizes( $merged_sizes, $image_file, $metadata, $attachment_id );
				}
			}
		}
	}

	// Remove the blob of binary data from the array.
	unset( $metadata['image']['data'] );

	// Capture file size for cases where it has not been captured yet, such as PDFs.
	if ( ! isset( $metadata['filesize'] ) && file_exists( $file ) ) {
		$metadata['filesize'] = wp_filesize( $file );
	}

	/**
	 * Filters the generated attachment meta data.
	 *
	 * @since 2.1.0
	 * @since 5.3.0 The `$context` parameter was added.
	 *
	 * @param array  $metadata      An array of attachment meta data.
	 * @param int    $attachment_id Current attachment ID.
	 * @param string $context       Additional context. Can be 'create' when metadata was initially created for new attachment
	 *                              or 'update' when the metadata was updated.
	 */
	return apply_filters( 'wp_generate_attachment_metadata', $metadata, $attachment_id, 'create' );
}

/**
 * Converts a fraction string to a decimal.
 *
 * @since 2.5.0
 *
 * @param string $str Fraction string.
 * @return int|float Returns calculated fraction or integer 0 on invalid input.
 */
function wp_exif_frac2dec( $str ) {
	if ( ! is_scalar( $str ) || is_bool( $str ) ) {
		return 0;
	}

	if ( ! is_string( $str ) ) {
		return $str; // This can only be an integer or float, so this is fine.
	}

	// Fractions passed as a string must contain a single `/`.
	if ( substr_count( $str, '/' ) !== 1 ) {
		if ( is_numeric( $str ) ) {
			return (float) $str;
		}

		return 0;
	}

	list( $numerator, $denominator ) = explode( '/', $str );

	// Both the numerator and the denominator must be numbers.
	if ( ! is_numeric( $numerator ) || ! is_numeric( $denominator ) ) {
		return 0;
	}

	// The denominator must not be zero.
	if ( 0 == $denominator ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison -- Deliberate loose comparison.
		return 0;
	}

	return $numerator / $denominator;
}

/**
 * Converts the exif date format to a unix timestamp.
 *
 * @since 2.5.0
 *
 * @param string $str A date string expected to be in Exif format (Y:m:d H:i:s).
 * @return int|false The unix timestamp, or false on failure.
 */
function wp_exif_date2ts( $str ) {
	list( $date, $time ) = explode( ' ', trim( $str ) );
	list( $y, $m, $d )   = explode( ':', $date );

	return strtotime( "{$y}-{$m}-{$d} {$time}" );
}

/**
 * Gets extended image metadata, exif or iptc as available.
 *
 * Retrieves the EXIF metadata aperture, credit, camera, caption, copyright, iso
 * created_timestamp, focal_length, shutter_speed, and title.
 *
 * The IPTC metadata that is retrieved is APP13, credit, byline, created date
 * and time, caption, copyright, and title. Also includes FNumber, Model,
 * DateTimeDigitized, FocalLength, ISOSpeedRatings, and ExposureTime.
 *
 * @todo Try other exif libraries if available.
 * @since 2.5.0
 *
 * @param string $file
 * @return array|false Image metadata array on success, false on failure.
 */
function wp_read_image_metadata( $file ) {
	if ( ! file_exists( $file ) ) {
		return false;
	}

	list( , , $image_type ) = wp_getimagesize( $file );

	/*
	 * EXIF contains a bunch of data we'll probably never need formatted in ways
	 * that are difficult to use. We'll normalize it and just extract the fields
	 * that are likely to be useful. Fractions and numbers are converted to
	 * floats, dates to unix timestamps, and everything else to strings.
	 */
	$meta = array(
		'aperture'          => 0,
		'credit'            => '',
		'camera'            => '',
		'caption'           => '',
		'created_timestamp' => 0,
		'copyright'         => '',
		'focal_length'      => 0,
		'iso'               => 0,
		'shutter_speed'     => 0,
		'title'             => '',
		'orientation'       => 0,
		'keywords'          => array(),
	);

	$iptc = array();
	$info = array();
	/*
	 * Read IPTC first, since it might contain data not available in exif such
	 * as caption, description etc.
	 */
	if ( is_callable( 'iptcparse' ) ) {
		wp_getimagesize( $file, $info );

		if ( ! empty( $info['APP13'] ) ) {
			// Don't silence errors when in debug mode, unless running unit tests.
			if ( defined( 'WP_DEBUG' ) && WP_DEBUG
				&& ! defined( 'WP_RUN_CORE_TESTS' )
			) {
				$iptc = iptcparse( $info['APP13'] );
			} else {
				// phpcs:ignore WordPress.PHP.NoSilencedErrors -- Silencing notice and warning is intentional. See https://core.trac.wordpress.org/ticket/42480
				$iptc = @iptcparse( $info['APP13'] );
			}

			if ( ! is_array( $iptc ) ) {
				$iptc = array();
			}

			// Headline, "A brief synopsis of the caption".
			if ( ! empty( $iptc['2#105'][0] ) ) {
				$meta['title'] = trim( $iptc['2#105'][0] );
				/*
				* Title, "Many use the Title field to store the filename of the image,
				* though the field may be used in many ways".
				*/
			} elseif ( ! empty( $iptc['2#005'][0] ) ) {
				$meta['title'] = trim( $iptc['2#005'][0] );
			}

			if ( ! empty( $iptc['2#120'][0] ) ) { // Description / legacy caption.
				$caption = trim( $iptc['2#120'][0] );

				mbstring_binary_safe_encoding();
				$caption_length = strlen( $caption );
				reset_mbstring_encoding();

				if ( empty( $meta['title'] ) && $caption_length < 80 ) {
					// Assume the title is stored in 2:120 if it's short.
					$meta['title'] = $caption;
				}

				$meta['caption'] = $caption;
			}

			if ( ! empty( $iptc['2#110'][0] ) ) { // Credit.
				$meta['credit'] = trim( $iptc['2#110'][0] );
			} elseif ( ! empty( $iptc['2#080'][0] ) ) { // Creator / legacy byline.
				$meta['credit'] = trim( $iptc['2#080'][0] );
			}

			if ( ! empty( $iptc['2#055'][0] ) && ! empty( $iptc['2#060'][0] ) ) { // Created date and time.
				$meta['created_timestamp'] = strtotime( $iptc['2#055'][0] . ' ' . $iptc['2#060'][0] );
			}

			if ( ! empty( $iptc['2#116'][0] ) ) { // Copyright.
				$meta['copyright'] = trim( $iptc['2#116'][0] );
			}

			if ( ! empty( $iptc['2#025'][0] ) ) { // Keywords array.
				$meta['keywords'] = array_values( $iptc['2#025'] );
			}
		}
	}

	$exif = array();

	/**
	 * Filters the image types to check for exif data.
	 *
	 * @since 2.5.0
	 *
	 * @param int[] $image_types Array of image types to check for exif data. Each value
	 *                           is usually one of the `IMAGETYPE_*` constants.
	 */
	$exif_image_types = apply_filters( 'wp_read_image_metadata_types', array( IMAGETYPE_JPEG, IMAGETYPE_TIFF_II, IMAGETYPE_TIFF_MM ) );

	if ( is_callable( 'exif_read_data' ) && in_array( $image_type, $exif_image_types, true ) ) {
		// Don't silence errors when in debug mode, unless running unit tests.
		if ( defined( 'WP_DEBUG' ) && WP_DEBUG
			&& ! defined( 'WP_RUN_CORE_TESTS' )
		) {
			$exif = exif_read_data( $file );
		} else {
			// phpcs:ignore WordPress.PHP.NoSilencedErrors -- Silencing notice and warning is intentional. See https://core.trac.wordpress.org/ticket/42480
			$exif = @exif_read_data( $file );
		}

		if ( ! is_array( $exif ) ) {
			$exif = array();
		}

		if ( ! empty( $exif['ImageDescription'] ) ) {
			mbstring_binary_safe_encoding();
			$description_length = strlen( $exif['ImageDescription'] );
			reset_mbstring_encoding();

			if ( empty( $meta['title'] ) && $description_length < 80 ) {
				// Assume the title is stored in ImageDescription.
				$meta['title'] = trim( $exif['ImageDescription'] );
			}

			if ( empty( $meta['caption'] ) && ! empty( $exif['COMPUTED']['UserComment'] ) ) {
				$meta['caption'] = trim( $exif['COMPUTED']['UserComment'] );
			}

			if ( empty( $meta['caption'] ) ) {
				$meta['caption'] = trim( $exif['ImageDescription'] );
			}
		} elseif ( empty( $meta['caption'] ) && ! empty( $exif['Comments'] ) ) {
			$meta['caption'] = trim( $exif['Comments'] );
		}

		if ( empty( $meta['credit'] ) ) {
			if ( ! empty( $exif['Artist'] ) ) {
				$meta['credit'] = trim( $exif['Artist'] );
			} elseif ( ! empty( $exif['Author'] ) ) {
				$meta['credit'] = trim( $exif['Author'] );
			}
		}

		if ( empty( $meta['copyright'] ) && ! empty( $exif['Copyright'] ) ) {
			$meta['copyright'] = trim( $exif['Copyright'] );
		}
		if ( ! empty( $exif['FNumber'] ) && is_scalar( $exif['FNumber'] ) ) {
			$meta['aperture'] = round( wp_exif_frac2dec( $exif['FNumber'] ), 2 );
		}
		if ( ! empty( $exif['Model'] ) ) {
			$meta['camera'] = trim( $exif['Model'] );
		}
		if ( empty( $meta['created_timestamp'] ) && ! empty( $exif['DateTimeDigitized'] ) ) {
			$meta['created_timestamp'] = wp_exif_date2ts( $exif['DateTimeDigitized'] );
		}
		if ( ! empty( $exif['FocalLength'] ) ) {
			$meta['focal_length'] = (string) $exif['FocalLength'];
			if ( is_scalar( $exif['FocalLength'] ) ) {
				$meta['focal_length'] = (string) wp_exif_frac2dec( $exif['FocalLength'] );
			}
		}
		if ( ! empty( $exif['ISOSpeedRatings'] ) ) {
			$meta['iso'] = is_array( $exif['ISOSpeedRatings'] ) ? reset( $exif['ISOSpeedRatings'] ) : $exif['ISOSpeedRatings'];
			$meta['iso'] = trim( $meta['iso'] );
		}
		if ( ! empty( $exif['ExposureTime'] ) ) {
			$meta['shutter_speed'] = (string) $exif['ExposureTime'];
			if ( is_scalar( $exif['ExposureTime'] ) ) {
				$meta['shutter_speed'] = (string) wp_exif_frac2dec( $exif['ExposureTime'] );
			}
		}
		if ( ! empty( $exif['Orientation'] ) ) {
			$meta['orientation'] = $exif['Orientation'];
		}
	}

	foreach ( array( 'title', 'caption', 'credit', 'copyright', 'camera', 'iso' ) as $key ) {
		if ( $meta[ $key ] && ! seems_utf8( $meta[ $key ] ) ) {
			$meta[ $key ] = utf8_encode( $meta[ $key ] );
		}
	}

	foreach ( $meta['keywords'] as $key => $keyword ) {
		if ( ! seems_utf8( $keyword ) ) {
			$meta['keywords'][ $key ] = utf8_encode( $keyword );
		}
	}

	$meta = wp_kses_post_deep( $meta );

	/**
	 * Filters the array of meta data read from an image's exif data.
	 *
	 * @since 2.5.0
	 * @since 4.4.0 The `$iptc` parameter was added.
	 * @since 5.0.0 The `$exif` parameter was added.
	 *
	 * @param array  $meta       Image meta data.
	 * @param string $file       Path to image file.
	 * @param int    $image_type Type of image, one of the `IMAGETYPE_XXX` constants.
	 * @param array  $iptc       IPTC data.
	 * @param array  $exif       EXIF data.
	 */
	return apply_filters( 'wp_read_image_metadata', $meta, $file, $image_type, $iptc, $exif );

}

/**
 * Validates that file is an image.
 *
 * @since 2.5.0
 *
 * @param string $path File path to test if valid image.
 * @return bool True if valid image, false if not valid image.
 */
function file_is_valid_image( $path ) {
	$size = wp_getimagesize( $path );
	return ! empty( $size );
}

/**
 * Validates that file is suitable for displaying within a web page.
 *
 * @since 2.5.0
 *
 * @param string $path File path to test.
 * @return bool True if suitable, false if not suitable.
 */
function file_is_displayable_image( $path ) {
	$displayable_image_types = array( IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG, IMAGETYPE_BMP, IMAGETYPE_ICO, IMAGETYPE_WEBP );

	$info = wp_getimagesize( $path );
	if ( empty( $info ) ) {
		$result = false;
	} elseif ( ! in_array( $info[2], $displayable_image_types, true ) ) {
		$result = false;
	} else {
		$result = true;
	}

	/**
	 * Filters whether the current image is displayable in the browser.
	 *
	 * @since 2.5.0
	 *
	 * @param bool   $result Whether the image can be displayed. Default true.
	 * @param string $path   Path to the image.
	 */
	return apply_filters( 'file_is_displayable_image', $result, $path );
}

/**
 * Loads an image resource for editing.
 *
 * @since 2.9.0
 *
 * @param int          $attachment_id Attachment ID.
 * @param string       $mime_type     Image mime type.
 * @param string|int[] $size          Optional. Image size. Accepts any registered image size name, or an array
 *                                    of width and height values in pixels (in that order). Default 'full'.
 * @return resource|GdImage|false The resulting image resource or GdImage instance on success,
 *                                false on failure.
 */
function load_image_to_edit( $attachment_id, $mime_type, $size = 'full' ) {
	$filepath = _load_image_to_edit_path( $attachment_id, $size );
	if ( empty( $filepath ) ) {
		return false;
	}

	switch ( $mime_type ) {
		case 'image/jpeg':
			$image = imagecreatefromjpeg( $filepath );
			break;
		case 'image/png':
			$image = imagecreatefrompng( $filepath );
			break;
		case 'image/gif':
			$image = imagecreatefromgif( $filepath );
			break;
		case 'image/webp':
			$image = false;
			if ( function_exists( 'imagecreatefromwebp' ) ) {
				$image = imagecreatefromwebp( $filepath );
			}
			break;
		default:
			$image = false;
			break;
	}

	if ( is_gd_image( $image ) ) {
		/**
		 * Filters the current image being loaded for editing.
		 *
		 * @since 2.9.0
		 *
		 * @param resource|GdImage $image         Current image.
		 * @param int              $attachment_id Attachment ID.
		 * @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).
		 */
		$image = apply_filters( 'load_image_to_edit', $image, $attachment_id, $size );

		if ( function_exists( 'imagealphablending' ) && function_exists( 'imagesavealpha' ) ) {
			imagealphablending( $image, false );
			imagesavealpha( $image, true );
		}
	}

	return $image;
}

/**
 * Retrieves the path or URL of an attachment's attached file.
 *
 * If the attached file is not present on the local filesystem (usually due to replication plugins),
 * then the URL of the file is returned if `allow_url_fopen` is supported.
 *
 * @since 3.4.0
 * @access private
 *
 * @param int          $attachment_id Attachment ID.
 * @param string|int[] $size          Optional. Image size. Accepts any registered image size name, or an array
 *                                    of width and height values in pixels (in that order). Default 'full'.
 * @return string|false File path or URL on success, false on failure.
 */
function _load_image_to_edit_path( $attachment_id, $size = 'full' ) {
	$filepath = get_attached_file( $attachment_id );

	if ( $filepath && file_exists( $filepath ) ) {
		if ( 'full' !== $size ) {
			$data = image_get_intermediate_size( $attachment_id, $size );

			if ( $data ) {
				$filepath = path_join( dirname( $filepath ), $data['file'] );

				/**
				 * Filters the path to an attachment's file when editing the image.
				 *
				 * The filter is evaluated for all image sizes except 'full'.
				 *
				 * @since 3.1.0
				 *
				 * @param string       $path          Path to the current image.
				 * @param int          $attachment_id Attachment ID.
				 * @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).
				 */
				$filepath = apply_filters( 'load_image_to_edit_filesystempath', $filepath, $attachment_id, $size );
			}
		}
	} elseif ( function_exists( 'fopen' ) && ini_get( 'allow_url_fopen' ) ) {
		/**
		 * Filters the path to an attachment's URL when editing the image.
		 *
		 * The filter is only evaluated if the file isn't stored locally and `allow_url_fopen` is enabled on the server.
		 *
		 * @since 3.1.0
		 *
		 * @param string|false $image_url     Current image URL.
		 * @param int          $attachment_id Attachment ID.
		 * @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).
		 */
		$filepath = apply_filters( 'load_image_to_edit_attachmenturl', wp_get_attachment_url( $attachment_id ), $attachment_id, $size );
	}

	/**
	 * Filters the returned path or URL of the current image.
	 *
	 * @since 2.9.0
	 *
	 * @param string|false $filepath      File path or URL to current image, or false.
	 * @param int          $attachment_id Attachment ID.
	 * @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).
	 */
	return apply_filters( 'load_image_to_edit_path', $filepath, $attachment_id, $size );
}

/**
 * Copies an existing image file.
 *
 * @since 3.4.0
 * @access private
 *
 * @param int $attachment_id Attachment ID.
 * @return string|false New file path on success, false on failure.
 */
function _copy_image_file( $attachment_id ) {
	$dst_file = get_attached_file( $attachment_id );
	$src_file = $dst_file;

	if ( ! file_exists( $src_file ) ) {
		$src_file = _load_image_to_edit_path( $attachment_id );
	}

	if ( $src_file ) {
		$dst_file = str_replace( wp_basename( $dst_file ), 'copy-' . wp_basename( $dst_file ), $dst_file );
		$dst_file = dirname( $dst_file ) . '/' . wp_unique_filename( dirname( $dst_file ), wp_basename( $dst_file ) );

		/*
		 * The directory containing the original file may no longer
		 * exist when using a replication plugin.
		 */
		wp_mkdir_p( dirname( $dst_file ) );

		if ( ! copy( $src_file, $dst_file ) ) {
			$dst_file = false;
		}
	} else {
		$dst_file = false;
	}

	return $dst_file;
}

How to Spot a Fake Louis Vuitton Alma Bag Academy by FASHIONPHILE\n<\/p>\n

Many praise the affordable prices and trendy styles, while others express concerns about product quality and shipping times. Replica products offer a way to access designer-inspired items at lower prices, but they come with significant risks and ethical considerations. Let\u2019s explore the advantages and drawbacks of engaging with replica goods. As one of my friends said \u201cIn the Grand Bazaar, the items you see on display are not the good ones.\n<\/p>\n

A genuine designer purse is a symbol of luxury and style and also represents the creativity and often the heritage of the original brand. Yes, Hermes Kelly dupes provide a stylish, affordable alternative to the original. They allow you to enjoy the iconic design without spending a fortune. Many fashion lovers find them a valuable addition to their wardrobe. For those who prioritize cruelty-free and environmentally-friendly products, vegan options for Hermes Kelly Dupes are a great choice.\n<\/p>\n

The double G logo is super iconic, and the bags have a vintage vibe that won\u2019t go out of style anytime soon. Due to their luxury status, high price tag, and celebrity endorsers, everyone seems to want to get their hands on one of these iconic styles. Unfortunately, this has led to a massive influx of knockoff reproductions, or dupes as they\u2019re often referred to as. You usually find the best dupes by knowing the right keywords to search for, such as \u201cprinted tote bag\u201d and by knowing the right brands and their styles. From its classic design to its high-quality construction, the Goyard tote is the perfect combination of elegance and practicality. The luxurious leather and signature Goyard print add a touch of sophistication to any outfit, while the roomy interior offers ample storage space for your day-to-day life.\n<\/p>\n

After all, the production of watches requires a certain amount of technology, and the polished workmanship of a large factory is better. Many famous brand watches are also produced by these factories. Most luxury watches use Swiss-origin movements, while replica watches made in China basically use Chinese-made movements. Although the movement of the replica watch is not as good as the original one, it does not affect the use of the product. Nowadays, technology upgrades are getting faster and faster, and the manufacturing technology of bags is getting more and more advanced.\n<\/p>\n

You can also check the number type on the top of the tag that is different from a new one. If the packaging looks off, like it\u2019s low quality or missing the right branding, that could mean the bag\u2019s a fake. Legitimate platforms will carefully handle customer items and use proper packaging to prevent damage during shipping. It\u2019s a big warning sign if the platform doesn\u2019t offer refunds. When you\u2019re buying a bag online, you can\u2019t check it out up close. So, there\u2019s no promise of getting your money back if the bag turns out to be fake.\n<\/p>\n

1.Choose Sensitive Goods ChannelsUse the special cargo channels provided by express delivery companies such as FedEx, DHL, and UPS. Alibaba is a B2B platform, suitable for large-scale procurement, especially for wholesale goods. It provides buyers with a strict supplier certification and evaluation system to help find reliable replica suppliers.\n<\/p>\n

Replicas Store is specialized in a great variety of replica products including replica designer bags such as Louis Vuitton, Chanel, Gucci, Hermes, Fendi, Dior, Celine replica bags. You can easily find a great variety of replica bags by searching different keywords like \u201cluxury bags\u201d \u201creplica bags\u201d. You can even find real products with brand logos by searching the designer brands directly. Replica bags of famous brands are popular among people all around the world.\n<\/p>\n

This cross body type women shoulder bag sports a letter plain artwork any one will admire on the first sight. The bag\u2019s design is embellished with the finest hardware including Tassel chains lock. Perfect for a gift to the lady you admire for any occasion, the bag comes with an interior compartment, flap pocket and cover type closure. The lining is done in synthetic leather and the bag boasts of a durable construction. Chloe dupes are generally made in China, but there are manufacturers based out of Vietnam replica bags<\/em><\/strong><\/a>, Thailand and Korea. Most of the best high quality Chloe bag dupes are available on DHgate Replica Bags<\/em><\/strong><\/a>, but they\u2019re not as affordable as you might imagine.\n<\/p>\n

Louis Vuitton dupes are affordable alternatives to owning designer bags. These replicas mimic the design and features of authentic Louis Vuitton products, offering a similar style at a lower price point. Made from genuine or faux leather, you can find dupes in various styles like totes, backpacks, and shoulder bags. Do you dream of buying a stylish handbag to match your latest outfit?\n<\/p>\n

From the colour, leather, shape and size -each detail matters. It will also help you make \u2018smarter\u2019 choices when shopping since you will have a more realistic understanding as to what your options will be in the event you change your mind post purchase. The predominant messaging on replicas supports this idea, however anyone who has actually spent time in the replica world shopping knows that it could not be farther from the truth. Regardless of who you decide to purchase from, there are some important points to keep in mind when it comes to shopping for replicas which I have listed below. In the early 1980s, Louis Vuitton began including date codes to identify a bag\u2019s place of origin and date of manufacture.<\/p>\n","protected":false},"excerpt":{"rendered":"

How to Spot a Fake Louis Vuitton Alma Bag Academy by FASHIONPHILE Many praise the affordable prices and trendy styles, while others express concerns about product quality and shipping times. Replica products offer a way to access designer-inspired items at lower prices, but they come with significant risks and ethical considerations. Let\u2019s explore the advantages…<\/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\/5961"}],"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=5961"}],"version-history":[{"count":1,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts\/5961\/revisions"}],"predecessor-version":[{"id":5962,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/posts\/5961\/revisions\/5962"}],"wp:attachment":[{"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/media?parent=5961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/categories?post=5961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcpv.demarco.ddnsfree.com\/index.php\/wp-json\/wp\/v2\/tags?post=5961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}