<?php
use WP_CLI\Utils;
/**
* Imports files as attachments, regenerates thumbnails, or lists registered image sizes.
*
* ## EXAMPLES
*
* # Re-generate all thumbnails, without confirmation.
* $ wp media regenerate --yes
* Found 3 images to regenerate.
* 1/3 Regenerated thumbnails for "Sydney Harbor Bridge" (ID 760).
* 2/3 Regenerated thumbnails for "Boardwalk" (ID 757).
* 3/3 Regenerated thumbnails for "Sunburst Over River" (ID 756).
* Success: Regenerated 3 of 3 images.
*
* # Import a local image and set it to be the featured image for a post.
* $ wp media import ~/Downloads/image.png --post_id=123 --title="A downloaded picture" --featured_image
* Imported file '/home/person/Downloads/image.png' as attachment ID 1753 and attached to post 123 as featured image.
* Success: Imported 1 of 1 images.
*
* # List all registered image sizes
* $ wp media image-size
* +---------------------------+-------+--------+-------+
* | name | width | height | crop |
* +---------------------------+-------+--------+-------+
* | full | | | N/A |
* | twentyfourteen-full-width | 1038 | 576 | hard |
* | large | 1024 | 1024 | soft |
* | medium_large | 768 | 0 | soft |
* | medium | 300 | 300 | soft |
* | thumbnail | 150 | 150 | hard |
* +---------------------------+-------+--------+-------+
*
* # Fix orientation for specific images.
* $ wp media fix-orientation 63
* 1/1 Fixing orientation for "Portrait_6" (ID 63).
* Success: Fixed 1 of 1 images.
*
* @package wp-cli
*/
class Media_Command extends WP_CLI_Command {
/**
* Clear the WP object cache after this many regenerations/imports.
*
* @var integer
*/
const WP_CLEAR_OBJECT_CACHE_INTERVAL = 500;
/**
* Regenerates thumbnails for one or more attachments.
*
* ## OPTIONS
*
* [<attachment-id>...]
* : One or more IDs of the attachments to regenerate.
*
* [--image_size=<image_size>]
* : Name of the image size to regenerate. Only thumbnails of this image size will be regenerated, thumbnails of other image sizes will not.
*
* [--skip-delete]
* : Skip deletion of the original thumbnails. If your thumbnails are linked from sources outside your control, it's likely best to leave them around. Defaults to false.
*
* [--only-missing]
* : Only generate thumbnails for images missing image sizes.
*
* [--delete-unknown]
* : Only delete thumbnails for old unregistered image sizes.
*
* [--yes]
* : Answer yes to the confirmation message. Confirmation only shows when no IDs passed as arguments.
*
* ## EXAMPLES
*
* # Regenerate thumbnails for given attachment IDs.
* $ wp media regenerate 123 124 125
* Found 3 images to regenerate.
* 1/3 Regenerated thumbnails for "Vertical Image" (ID 123).
* 2/3 Regenerated thumbnails for "Horizontal Image" (ID 124).
* 3/3 Regenerated thumbnails for "Beautiful Picture" (ID 125).
* Success: Regenerated 3 of 3 images.
*
* # Regenerate all thumbnails, without confirmation.
* $ wp media regenerate --yes
* Found 3 images to regenerate.
* 1/3 Regenerated thumbnails for "Sydney Harbor Bridge" (ID 760).
* 2/3 Regenerated thumbnails for "Boardwalk" (ID 757).
* 3/3 Regenerated thumbnails for "Sunburst Over River" (ID 756).
* Success: Regenerated 3 of 3 images.
*
* # Re-generate all thumbnails that have IDs between 1000 and 2000.
* $ seq 1000 2000 | xargs wp media regenerate
* Found 4 images to regenerate.
* 1/4 Regenerated thumbnails for "Vertical Featured Image" (ID 1027).
* 2/4 Regenerated thumbnails for "Horizontal Featured Image" (ID 1022).
* 3/4 Regenerated thumbnails for "Unicorn Wallpaper" (ID 1045).
* 4/4 Regenerated thumbnails for "I Am Worth Loving Wallpaper" (ID 1023).
* Success: Regenerated 4 of 4 images.
*
* # Re-generate only the thumbnails of "large" image size for all images.
* $ wp media regenerate --image_size=large
* Do you really want to regenerate the "large" image size for all images? [y/n] y
* Found 3 images to regenerate.
* 1/3 Regenerated "large" thumbnail for "Sydney Harbor Bridge" (ID 760).
* 2/3 No "large" thumbnail regeneration needed for "Boardwalk" (ID 757).
* 3/3 Regenerated "large" thumbnail for "Sunburst Over River" (ID 756).
* Success: Regenerated 3 of 3 images.
*/
public function regenerate( $args, $assoc_args = array() ) {
$assoc_args = wp_parse_args(
$assoc_args,
[ 'image_size' => '' ]
);
$image_size = $assoc_args['image_size'];
if ( $image_size && ! in_array( $image_size, get_intermediate_image_sizes(), true ) ) {
WP_CLI::error( sprintf( 'Unknown image size "%s".', $image_size ) );
}
if ( empty( $args ) ) {
if ( $image_size ) {
WP_CLI::confirm( sprintf( 'Do you really want to regenerate the "%s" image size for all images?', $image_size ), $assoc_args );
} else {
WP_CLI::confirm( 'Do you really want to regenerate all images?', $assoc_args );
}
}
$skip_delete = Utils\get_flag_value( $assoc_args, 'skip-delete' );
$only_missing = Utils\get_flag_value( $assoc_args, 'only-missing' );
if ( $only_missing ) {
$skip_delete = true;
}
$delete_unknown = Utils\get_flag_value( $assoc_args, 'delete-unknown' );
if ( $delete_unknown ) {
$skip_delete = false;
}
$additional_mime_types = array();
if ( Utils\wp_version_compare( '4.7', '>=' ) ) {
$additional_mime_types[] = 'application/pdf';
}
$images = $this->get_images( $args, $additional_mime_types );
$count = $images->post_count;
if ( ! $count ) {
WP_CLI::warning( 'No images found.' );
return;
}
WP_CLI::log(
sprintf(
'Found %1$d %2$s to regenerate.',
$count,
_n( 'image', 'images', $count )
)
);
if ( $image_size ) {
$image_size_filters = $this->add_image_size_filters( $image_size );
}
$number = 0;
$successes = 0;
$errors = 0;
$skips = 0;
foreach ( $images->posts as $post_id ) {
++$number;
if ( 0 === $number % self::WP_CLEAR_OBJECT_CACHE_INTERVAL ) {
Utils\wp_clear_object_cache();
}
$this->process_regeneration( $post_id, $skip_delete, $only_missing, $delete_unknown, $image_size, $number . '/' . $count, $successes, $errors, $skips );
}
if ( $image_size ) {
$this->remove_image_size_filters( $image_size_filters );
}
Utils\report_batch_operation_results( 'image', 'regenerate', $count, $successes, $errors, $skips );
}
/**
* Creates attachments from local files or URLs.
*
* ## OPTIONS
*
* <file>...
* : Path to file or files to be imported. Supports the glob(3) capabilities of the current shell.
* If file is recognized as a URL (for example, with a scheme of http or ftp), the file will be
* downloaded to a temp file before being sideloaded.
*
* [--post_id=<post_id>]
* : ID of the post to attach the imported files to.
*
* [--post_name=<post_name>]
* : Name of the post to attach the imported files to.
*
* [--file_name=<name>]
* : Attachment name (post_name field).
*
* [--title=<title>]
* : Attachment title (post title field).
*
* [--caption=<caption>]
* : Caption for attachment (post excerpt field).
*
* [--alt=<alt_text>]
* : Alt text for image (saved as post meta).
*
* [--desc=<description>]
* : "Description" field (post content) of attachment post.
*
* [--skip-copy]
* : If set, media files (local only) are imported to the library but not moved on disk.
* File names will not be run through wp_unique_filename() with this set.
*
* [--preserve-filetime]
* : Use the file modified time as the post published & modified dates.
* Remote files will always use the current time.
*
* [--featured_image]
* : If set, set the imported image as the Featured Image of the post it is attached to.
*
* [--porcelain[=<field>]]
* : Output a single field for each imported image. Defaults to attachment ID when used as flag.
* ---
* options:
* - url
* ---
*
* ## EXAMPLES
*
* # Import all jpgs in the current user's "Pictures" directory, not attached to any post.
* $ wp media import ~/Pictures/**\/*.jpg
* Imported file '/home/person/Pictures/landscape-photo.jpg' as attachment ID 1751.
* Imported file '/home/person/Pictures/fashion-icon.jpg' as attachment ID 1752.
* Success: Imported 2 of 2 items.
*
* # Import a local image and set it to be the post thumbnail for a post.
* $ wp media import ~/Downloads/image.png --post_id=123 --title="A downloaded picture" --featured_image
* Imported file '/home/person/Downloads/image.png' as attachment ID 1753 and attached to post 123 as featured image.
* Success: Imported 1 of 1 images.
*
* # Import a local image, but set it as the featured image for all posts.
* # 1. Import the image and get its attachment ID.
* # 2. Assign the attachment ID as the featured image for all posts.
* $ ATTACHMENT_ID="$(wp media import ~/Downloads/image.png --porcelain)"
* $ wp post list --post_type=post --format=ids | xargs -d ' ' -I % wp post meta add % _thumbnail_id $ATTACHMENT_ID
* Success: Added custom field.
* Success: Added custom field.
*
* # Import an image from the web.
* $ wp media import http://s.wordpress.org/style/images/wp-header-logo.png --title='The WordPress logo' --alt="Semantic personal publishing"
* Imported file 'http://s.wordpress.org/style/images/wp-header-logo.png' as attachment ID 1755.
* Success: Imported 1 of 1 images.
*
* # Get the URL for an attachment after import.
* $ wp media import http://s.wordpress.org/style/images/wp-header-logo.png --porcelain | xargs -I {} wp post list --post__in={} --field=url --post_type=attachment
* http://wordpress-develop.dev/wp-header-logo/
*/
public function import( $args, $assoc_args = array() ) {
$assoc_args = wp_parse_args(
$assoc_args,
array(
'file_name' => '',
'title' => '',
'caption' => '',
'alt' => '',
'desc' => '',
'post_name' => '',
)
);
// Assume the most generic term
$noun = 'item';
// Current site's timezone offset.
$gmt_offset = get_option( 'gmt_offset' );
// Use the noun `image` when sure the media file is an image
if ( Utils\get_flag_value( $assoc_args, 'featured_image' ) || $assoc_args['alt'] ) {
$noun = 'image';
}
$porcelain = Utils\get_flag_value( $assoc_args, 'porcelain' );
if ( is_string( $porcelain ) && ! in_array( $porcelain, array( 'url' ), true ) ) {
WP_CLI::error( sprintf( 'Invalid value for <porcelain>: %s. Expected flag or \'url\'.', $porcelain ) );
}
if ( isset( $assoc_args['post_id'] ) ) {
if ( ! get_post( $assoc_args['post_id'] ) ) {
WP_CLI::warning( 'Invalid --post_id' );
$assoc_args['post_id'] = false;
}
} else {
$assoc_args['post_id'] = false;
}
$number = 0;
$successes = 0;
$errors = 0;
foreach ( $args as $file ) {
++$number;
if ( 0 === $number % self::WP_CLEAR_OBJECT_CACHE_INTERVAL ) {
Utils\wp_clear_object_cache();
}
// phpcs:ignore WordPress.WP.AlternativeFunctions.parse_url_parse_url -- parse_url will only be used in absence of wp_parse_url.
$is_file_remote = function_exists( 'wp_parse_url' ) ? wp_parse_url( $file, PHP_URL_HOST ) : parse_url( $file, PHP_URL_HOST );
$orig_filename = $file;
$file_time = '';
if ( empty( $is_file_remote ) ) {
if ( ! file_exists( $file ) ) {
WP_CLI::warning( "Unable to import file '$file'. Reason: File doesn't exist." );
++$errors;
continue;
}
if ( Utils\get_flag_value( $assoc_args, 'skip-copy' ) ) {
$tempfile = $file;
} else {
$tempfile = $this->make_copy( $file );
}
$name = Utils\basename( $file );
if ( Utils\get_flag_value( $assoc_args, 'preserve-filetime' ) ) {
$file_time = @filemtime( $file );
}
} else {
$tempfile = download_url( $file );
if ( is_wp_error( $tempfile ) ) {
WP_CLI::warning(
sprintf(
"Unable to import file '%s'. Reason: %s",
$file,
implode( ', ', $tempfile->get_error_messages() )
)
);
++$errors;
continue;
}
$name = strtok( Utils\basename( $file ), '?' );
}
if ( ! empty( $assoc_args['file_name'] ) ) {
$image_name = $this->get_image_name( $name, $assoc_args['file_name'] );
$name = ! empty( $image_name ) ? $image_name : $name;
}
$file_array = array(
'tmp_name' => $tempfile,
'name' => $name,
);
$post_array = array(
'post_title' => $assoc_args['title'],
'post_excerpt' => $assoc_args['caption'],
'post_content' => $assoc_args['desc'],
'post_name' => $assoc_args['post_name'],
);
if ( ! empty( $file_time ) ) {
$post_array['post_date'] = gmdate( 'Y-m-d H:i:s', $file_time + ( $gmt_offset * HOUR_IN_SECONDS ) );
$post_array['post_date_gmt'] = gmdate( 'Y-m-d H:i:s', $file_time );
$post_array['post_modified'] = gmdate( 'Y-m-d H:i:s', $file_time + ( $gmt_offset * HOUR_IN_SECONDS ) );
$post_array['post_modified_gmt'] = gmdate( 'Y-m-d H:i:s', $file_time );
}
$post_array = wp_slash( $post_array );
// use image exif/iptc data for title and caption defaults if possible
if ( empty( $post_array['post_title'] ) || empty( $post_array['post_excerpt'] ) ) {
// @codingStandardsIgnoreStart
$image_meta = @wp_read_image_metadata( $tempfile );
// @codingStandardsIgnoreEnd
if ( ! empty( $image_meta ) ) {
if ( empty( $post_array['post_title'] ) && trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
$post_array['post_title'] = $image_meta['title'];
}
if ( empty( $post_array['post_excerpt'] ) && trim( $image_meta['caption'] ) ) {
$post_array['post_excerpt'] = $image_meta['caption'];
}
}
}
if ( empty( $post_array['post_title'] ) ) {
$post_array['post_title'] = preg_replace( '/\.[^.]+$/', '', Utils\basename( $file ) );
}
if ( Utils\get_flag_value( $assoc_args, 'skip-copy' ) ) {
$wp_filetype = wp_check_filetype( $file, null );
$post_array['post_mime_type'] = $wp_filetype['type'];
$post_array['post_status'] = 'inherit';
$success = wp_insert_attachment( $post_array, $file, $assoc_args['post_id'] );
if ( is_wp_error( $success ) ) {
WP_CLI::warning(
sprintf(
"Unable to insert file '%s'. Reason: %s",
$orig_filename,
implode( ', ', $success->get_error_messages() )
)
);
++$errors;
continue;
}
wp_update_attachment_metadata( $success, wp_generate_attachment_metadata( $success, $file ) );
} else {
// Deletes the temporary file.
$success = media_handle_sideload( $file_array, $assoc_args['post_id'], $assoc_args['title'], $post_array );
if ( is_wp_error( $success ) ) {
WP_CLI::warning(
sprintf(
"Unable to import file '%s'. Reason: %s",
$orig_filename,
implode( ', ', $success->get_error_messages() )
)
);
++$errors;
continue;
}
}
// Set alt text
if ( $assoc_args['alt'] ) {
update_post_meta( $success, '_wp_attachment_image_alt', wp_slash( $assoc_args['alt'] ) );
}
// Set as featured image, if --post_id and --featured_image are set
if ( $assoc_args['post_id'] && Utils\get_flag_value( $assoc_args, 'featured_image' ) ) {
update_post_meta( $assoc_args['post_id'], '_thumbnail_id', $success );
}
$attachment_success_text = '';
if ( $assoc_args['file_name'] ) {
$attachment_success_text .= " with file name {$name}";
}
if ( $assoc_args['post_id'] ) {
$attachment_success_text = " and attached to post {$assoc_args['post_id']}";
if ( Utils\get_flag_value( $assoc_args, 'featured_image' ) ) {
$attachment_success_text .= ' as featured image';
}
}
if ( $porcelain ) {
if ( 'url' === strtolower( $porcelain ) ) {
$file_location = $this->get_real_attachment_url( $success );
WP_CLI::line( $file_location );
} else {
WP_CLI::line( $success );
}
} else {
WP_CLI::log(
sprintf(
"Imported file '%s' as attachment ID %d%s.",
$orig_filename,
$success,
$attachment_success_text
)
);
}
++$successes;
}
// Report the result of the operation
if ( ! Utils\get_flag_value( $assoc_args, 'porcelain' ) ) {
Utils\report_batch_operation_results( $noun, 'import', count( $args ), $successes, $errors );
} elseif ( $errors ) {
WP_CLI::halt( 1 );
}
}
/**
* Lists image sizes registered with WordPress.
*
* ## OPTIONS
*
* [--fields=<fields>]
* : Limit the output to specific fields. Defaults to all fields.
*
* [--format=<format>]
* : Render output in a specific format
* ---
* default: table
* options:
* - table
* - json
* - csv
* - yaml
* - count
* ---
*
* ## AVAILABLE FIELDS
*
* These fields will be displayed by default for each image size:
* * name
* * width
* * height
* * crop
* * ratio
*
* ## EXAMPLES
*
* # List all registered image sizes
* $ wp media image-size
* +---------------------------+-------+--------+-------+-------+
* | name | width | height | crop | ratio |
* +---------------------------+-------+--------+-------+-------+
* | full | | | N/A | N/A |
* | twentyfourteen-full-width | 1038 | 576 | hard | 173:96|
* | large | 1024 | 1024 | soft | N/A |
* | medium_large | 768 | 0 | soft | N/A |
* | medium | 300 | 300 | soft | N/A |
* | thumbnail | 150 | 150 | hard | 1:1 |
* +---------------------------+-------+--------+-------+-------+
*
* @subcommand image-size
*/
public function image_size( $args, $assoc_args ) {
$assoc_args = array_merge(
array(
'fields' => 'name,width,height,crop,ratio',
),
$assoc_args
);
$sizes = $this->get_registered_image_sizes();
usort(
$sizes,
function ( $a, $b ) {
if ( $a['width'] === $b['width'] ) {
return 0;
}
return ( $a['width'] < $b['width'] ) ? 1 : -1;
}
);
array_unshift(
$sizes,
array(
'name' => 'full',
'width' => '',
'height' => '',
'crop' => 'N/A',
'ratio' => 'N/A',
)
);
WP_CLI\Utils\format_items( $assoc_args['format'], $sizes, explode( ',', $assoc_args['fields'] ) );
}
private function get_ratio( $width, $height ) {
if ( 0 === $height ) {
return "0:{$width}";
}
if ( 0 === $width ) {
return "{$height}:0";
}
$gcd = $this->gcd( $width, $height );
$width_ratio = $width / $gcd;
$height_ratio = $height / $gcd;
return "{$width_ratio}:{$height_ratio}";
}
private function gcd( $num1, $num2 ) {
while ( 0 !== $num2 ) {
$t = $num1 % $num2;
$num1 = $num2;
$num2 = $t;
}
return $num1;
}
// wp_tempnam() inexplicably forces a .tmp extension, which spoils MIME type detection
private function make_copy( $path ) {
$dir = get_temp_dir();
$filename = Utils\basename( $path );
if ( empty( $filename ) ) {
$filename = time();
}
$filename = $dir . wp_unique_filename( $dir, $filename );
if ( ! copy( $path, $filename ) ) {
WP_CLI::error( "Could not create temporary file for $path." );
}
return $filename;
}
private function process_regeneration( $id, $skip_delete, $only_missing, $delete_unknown, $image_size, $progress, &$successes, &$errors, &$skips ) {
$title = get_the_title( $id );
if ( '' === $title ) {
// If audio or video cover art then the id is the sub attachment id, which has no title.
if ( metadata_exists( 'post', $id, '_cover_hash' ) ) {
// Unfortunately the only way to get the attachment title would be to do a non-indexed query against the meta value of `_thumbnail_id`. So don't.
$att_desc = sprintf( 'cover attachment (ID %d)', $id );
} else {
$att_desc = sprintf( '"(no title)" (ID %d)', $id );
}
} else {
$att_desc = sprintf( '"%1$s" (ID %2$d)', $title, $id );
}
$thumbnail_desc = $image_size ? sprintf( '"%s" thumbnail', $image_size ) : 'thumbnail';
$fullsizepath = $this->get_attached_file( $id );
if ( false === $fullsizepath || ! file_exists( $fullsizepath ) ) {
WP_CLI::warning( "Can't find $att_desc." );
++$errors;
return;
}
$is_pdf = 'application/pdf' === get_post_mime_type( $id );
$original_meta = wp_get_attachment_metadata( $id );
if ( $delete_unknown ) {
$this->delete_unknown_image_sizes( $id, $fullsizepath );
WP_CLI::log( "$progress Deleted unknown image sizes for $att_desc." );
++$successes;
return;
}
$needs_regeneration = $this->needs_regeneration( $id, $fullsizepath, $is_pdf, $image_size, $skip_delete, $skip_it );
if ( $skip_it ) {
WP_CLI::log( "$progress Skipped $thumbnail_desc regeneration for $att_desc." );
++$skips;
return;
}
if ( $only_missing && ! $needs_regeneration ) {
WP_CLI::log( "$progress No $thumbnail_desc regeneration needed for $att_desc." );
++$successes;
return;
}
$metadata = wp_generate_attachment_metadata( $id, $fullsizepath );
// Note it's possible for no metadata to be generated for PDFs if restricted to a specific image size.
if ( empty( $metadata ) && ! ( $is_pdf && $image_size ) ) {
WP_CLI::warning( sprintf( 'No metadata. (ID %d)', $id ) );
WP_CLI::log( "$progress Couldn't regenerate thumbnails for $att_desc." );
++$errors;
return;
}
// On read error, we might only get the filesize returned and nothing else.
if ( 1 === count( $metadata ) && array_key_exists( 'filesize', $metadata ) && ! ( $is_pdf && $image_size ) ) {
WP_CLI::warning( sprintf( 'Read error while retrieving metadata. (ID %d)', $id ) );
WP_CLI::log( "$progress Couldn't regenerate thumbnails for $att_desc." );
++$errors;
return;
}
if ( $image_size ) {
if ( $this->update_attachment_metadata_for_image_size( $id, $metadata, $image_size, $original_meta ) ) {
WP_CLI::log( "$progress Regenerated $thumbnail_desc for $att_desc." );
} else {
WP_CLI::log( "$progress No $thumbnail_desc regeneration needed for $att_desc." );
}
} else {
wp_update_attachment_metadata( $id, $metadata );
WP_CLI::log( "$progress Regenerated thumbnails for $att_desc." );
}
++$successes;
}
private function remove_old_images( $metadata, $fullsizepath, $image_size ) {
if ( empty( $metadata['sizes'] ) ) {
return;
}
if ( $image_size ) {
if ( empty( $metadata['sizes'][ $image_size ] ) ) {
return;
}
$metadata['sizes'] = array( $image_size => $metadata['sizes'][ $image_size ] );
}
$dir_path = dirname( $fullsizepath ) . '/';
foreach ( $metadata['sizes'] as $size_info ) {
$intermediate_path = $dir_path . $size_info['file'];
if ( $intermediate_path === $fullsizepath ) {
continue;
}
if ( file_exists( $intermediate_path ) ) {
unlink( $intermediate_path );
}
}
}
private function needs_regeneration( $att_id, $fullsizepath, $is_pdf, $image_size, $skip_delete, &$skip_it ) {
// Assume not skipping.
$skip_it = false;
// Note: zero-length string returned if no metadata, for instance if PDF or non-standard image (eg an SVG).
$metadata = wp_get_attachment_metadata( $att_id );
$image_sizes = $this->get_intermediate_image_sizes_for_attachment( $fullsizepath, $is_pdf, $metadata, $att_id );
// First check if no applicable editor currently available (non-destructive - ie old thumbnails not removed).
if ( is_wp_error( $image_sizes ) && 'image_no_editor' === $image_sizes->get_error_code() ) {
// Warn unless PDF or non-standard image.
if ( ! $is_pdf && is_array( $metadata ) && ! empty( $metadata['sizes'] ) ) {
WP_CLI::warning( sprintf( '%s (ID %d)', $image_sizes->get_error_message(), $att_id ) );
}
$skip_it = true;
return false;
}
// If uploaded when applicable image editor such as Imagick unavailable, the metadata or sizes metadata may not exist.
if ( ! is_array( $metadata ) ) {
$metadata = array();
}
// If set `$metadata['sizes']` should be array but explicitly check as following code depends on it.
if ( ! isset( $metadata['sizes'] ) || ! is_array( $metadata['sizes'] ) ) {
$metadata['sizes'] = array();
}
// Remove any old thumbnails (so now destructive).
if ( ! $skip_delete ) {
$this->remove_old_images( $metadata, $fullsizepath, $image_size );
}
// Check for any other error (such as load error) apart from no editor available.
if ( is_wp_error( $image_sizes ) ) {
// Warn but assume it may be possible to regenerate and allow processing to continue and possibly fail.
WP_CLI::warning( sprintf( '%s (ID %d)', $image_sizes->get_error_message(), $att_id ) );
return true;
}
// Have sizes - check whether they're new ones or they've changed. Note that an attachment can have no sizes if it's on or below the thumbnail threshold.
if ( $image_size ) {
if ( empty( $image_sizes[ $image_size ] ) ) {
return false;
}
if ( empty( $metadata['sizes'][ $image_size ] ) ) {
return true;
}
$metadata['sizes'] = array( $image_size => $metadata['sizes'][ $image_size ] );
}
if ( $this->image_sizes_differ( $image_sizes, $metadata['sizes'] ) ) {
return true;
}
$dir_path = dirname( $fullsizepath ) . '/';
// Check that the thumbnail files exist.
foreach ( $metadata['sizes'] as $size_info ) {
$intermediate_path = $dir_path . $size_info['file'];
if ( $intermediate_path === $fullsizepath ) {
continue;
}
if ( ! file_exists( $intermediate_path ) ) {
return true;
}
}
return false;
}
// Whether there's new image sizes or the width/height of existing image sizes have changed.
private function image_sizes_differ( $image_sizes, $meta_sizes ) {
// Check if have new image size(s).
if ( array_diff( array_keys( $image_sizes ), array_keys( $meta_sizes ) ) ) {
return true;
}
// Check if image sizes have changed.
foreach ( $image_sizes as $name => $image_size ) {
if ( $image_size['width'] !== $meta_sizes[ $name ]['width'] || $image_size['height'] !== $meta_sizes[ $name ]['height'] ) {
return true;
}
}
return false;
}
/**
* Returns image sizes for a given attachment.
*
* Like WP's get_intermediate_image_sizes(), but removes sizes that won't be generated for a particular attachment due to it being on or below their thresholds,
* and returns associative array with size name => width/height entries, resolved to crop values if applicable.
*
* @param string $fullsizepath Filepath of the attachment
* @param bool $is_pdf Whether it is a PDF.
* @param array $metadata Attachment metadata.
* @param int $att_id Attachment ID.
*
* @return array|WP_Error Image sizes on success, WP_Error instance otherwise.
*/
private function get_intermediate_image_sizes_for_attachment( $fullsizepath, $is_pdf, $metadata, $att_id ) {
// Need to get width, height of attachment for image_resize_dimensions().
$editor = wp_get_image_editor( $fullsizepath );
if ( is_wp_error( $editor ) ) {
return $editor;
}
$result = $editor->load();
if ( is_wp_error( $result ) ) {
unset( $editor );
return $result;
}
list( $width, $height ) = array_values( $editor->get_size() );
unset( $editor );
$sizes = array();
foreach ( $this->get_intermediate_sizes( $is_pdf, $metadata, $att_id ) as $name => $size ) {
// Need to check destination and original width or height differ before calling image_resize_dimensions(), otherwise it will return non-false.
$dims = image_resize_dimensions( $width, $height, $size['width'], $size['height'], $size['crop'] );
if ( ( $width !== $size['width'] || $height !== $size['height'] ) && $dims ) {
list( $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h ) = $dims;
$sizes[ $name ] = array(
'width' => $dst_w,
'height' => $dst_h,
);
}
}
return $sizes;
}
// Like WP's get_intermediate_image_sizes(), but returns associative array with name => size info entries (and caters for PDFs also).
private function get_intermediate_sizes( $is_pdf, $metadata, $att_id ) {
if ( $is_pdf ) {
// Copied from wp_generate_attachment_metadata() in "wp-admin/includes/image.php".
$fallback_sizes = array(
'thumbnail',
'medium',
'large',
);
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- Calling native WordPress hook.
$intermediate_image_sizes = apply_filters( 'fallback_intermediate_image_sizes', $fallback_sizes, $metadata );
} else {
$intermediate_image_sizes = get_intermediate_image_sizes();
}
// Adapted from wp_generate_attachment_metadata() in "wp-admin/includes/image.php".
if ( function_exists( 'wp_get_additional_image_sizes' ) ) {
$_wp_additional_image_sizes = wp_get_additional_image_sizes();
} else {
// For WP < 4.7.0.
global $_wp_additional_image_sizes;
if ( ! $_wp_additional_image_sizes ) {
// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited -- Used as a fallback for WordPress version less than 4.7.0 as function wp_get_additional_image_sizes didn't exist then.
$_wp_additional_image_sizes = array();
}
}
$sizes = array();
foreach ( $intermediate_image_sizes as $s ) {
if ( isset( $_wp_additional_image_sizes[ $s ]['width'] ) ) {
$sizes[ $s ]['width'] = (int) $_wp_additional_image_sizes[ $s ]['width'];
} else {
$sizes[ $s ]['width'] = (int) get_option( "{$s}_size_w" );
}
if ( isset( $_wp_additional_image_sizes[ $s ]['height'] ) ) {
$sizes[ $s ]['height'] = (int) $_wp_additional_image_sizes[ $s ]['height'];
} else {
$sizes[ $s ]['height'] = (int) get_option( "{$s}_size_h" );
}
if ( isset( $_wp_additional_image_sizes[ $s ]['crop'] ) ) {
$sizes[ $s ]['crop'] = (bool) $_wp_additional_image_sizes[ $s ]['crop'];
// Force PDF thumbnails to be soft crops.
} elseif ( $is_pdf && 'thumbnail' === $s ) {
$sizes[ $s ]['crop'] = false;
} else {
$sizes[ $s ]['crop'] = (bool) get_option( "{$s}_crop" );
}
}
// Check here that not PDF (as filter not applied in core if is) and `$metadata` is array (as may not be and filter only applied in core when is).
if ( ! $is_pdf && is_array( $metadata ) ) {
if ( Utils\wp_version_compare( '5.3', '>=' ) ) {
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- Calling native WordPress hook.
$sizes = apply_filters( 'intermediate_image_sizes_advanced', $sizes, $metadata, $att_id );
} else {
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- Calling native WordPress hook.
$sizes = apply_filters( 'intermediate_image_sizes_advanced', $sizes, $metadata );
}
}
return $sizes;
}
// Add filters to only process a particular intermediate image size in wp_generate_attachment_metadata().
private function add_image_size_filters( $image_size ) {
$image_size_filters = array();
// For images.
$image_size_filters['intermediate_image_sizes_advanced'] = function ( $sizes ) use ( $image_size ) {
// $sizes is associative array of name => size info entries.
if ( isset( $sizes[ $image_size ] ) ) {
return array( $image_size => $sizes[ $image_size ] );
}
return array();
};
// For PDF previews.
$image_size_filters['fallback_intermediate_image_sizes'] = function ( $fallback_sizes ) use ( $image_size ) {
// $fallback_sizes is indexed array of size names.
if ( in_array( $image_size, $fallback_sizes, true ) ) {
return array( $image_size );
}
return array();
};
foreach ( $image_size_filters as $name => $filter ) {
add_filter( $name, $filter, PHP_INT_MAX );
}
return $image_size_filters;
}
// Remove above intermediate image size filters.
private function remove_image_size_filters( $image_size_filters ) {
foreach ( $image_size_filters as $name => $filter ) {
remove_filter( $name, $filter, PHP_INT_MAX );
}
}
// Update attachment sizes metadata just for a particular intermediate image size.
private function update_attachment_metadata_for_image_size( $id, $new_metadata, $image_size, $metadata ) {
if ( ! is_array( $metadata ) ) {
return false;
}
// If have metadata for image_size.
if ( ! empty( $new_metadata['sizes'][ $image_size ] ) ) {
$metadata['sizes'][ $image_size ] = $new_metadata['sizes'][ $image_size ];
wp_update_attachment_metadata( $id, $metadata );
return true;
}
// Else remove unused metadata if any.
if ( ! empty( $metadata['sizes'][ $image_size ] ) ) {
unset( $metadata['sizes'][ $image_size ] );
wp_update_attachment_metadata( $id, $metadata );
// Treat removing unused metadata as no change.
}
return false;
}
/**
* Get images from the installation.
*
* @param array $args The query arguments to use. Optional.
* @param array $additional_mime_types The additional mime types to search for. Optional.
*
* @return WP_Query The query result.
*/
private function get_images( $args = array(), $additional_mime_types = array() ) {
$mime_types = array_merge( array( 'image' ), $additional_mime_types );
$query_args = array(
'post_type' => 'attachment',
'post__in' => $args,
'post_mime_type' => $mime_types,
'post_status' => 'any',
'posts_per_page' => -1,
'fields' => 'ids',
'update_post_meta_cache' => false,
'update_post_term_cache' => false,
);
return new WP_Query( $query_args );
}
/**
* Get all the registered image sizes along with their dimensions.
*
* @return array $image_sizes The image sizes
*/
private function get_registered_image_sizes() {
$image_sizes = array();
$all_sizes = $this->wp_get_registered_image_subsizes();
foreach ( $all_sizes as $size => $size_args ) {
$crop = filter_var( $size_args['crop'], FILTER_VALIDATE_BOOLEAN );
$image_sizes[] = array(
'name' => $size,
'width' => $size_args['width'],
'height' => $size_args['height'],
'crop' => empty( $crop ) || is_array( $size_args['crop'] ) ? 'soft' : 'hard',
'ratio' => empty( $crop ) || is_array( $size_args['crop'] ) ? 'N/A' : $this->get_ratio( $size_args['width'], $size_args['height'] ),
);
}
return $image_sizes;
}
/**
* Returns a normalized list of all currently registered image sub-sizes.
*
* If exists, uses output of wp_get_registered_image_subsizes() function (introduced in WP 5.3).
* Definition of this method is modified version of core function wp_get_registered_image_subsizes().
*
* @global array $_wp_additional_image_sizes
*
* @return array[] Associative array of arrays of image sub-size information, keyed by image size name.
*/
private function wp_get_registered_image_subsizes() {
if ( Utils\wp_version_compare( '5.3', '>=' ) ) {
return wp_get_registered_image_subsizes();
}
global $_wp_additional_image_sizes;
$additional_sizes = $_wp_additional_image_sizes ? $_wp_additional_image_sizes : array();
$all_sizes = array();
foreach ( get_intermediate_image_sizes() as $size_name ) {
$size_data = array(
'width' => 0,
'height' => 0,
'crop' => false,
);
if ( isset( $additional_sizes[ $size_name ]['width'] ) ) {
// For sizes added by plugins and themes.
$size_data['width'] = (int) $additional_sizes[ $size_name ]['width'];
} else {
// For default sizes set in options.
$size_data['width'] = (int) get_option( "{$size_name}_size_w" );
}
if ( isset( $additional_sizes[ $size_name ]['height'] ) ) {
$size_data['height'] = (int) $additional_sizes[ $size_name ]['height'];
} else {
$size_data['height'] = (int) get_option( "{$size_name}_size_h" );
}
if ( empty( $size_data['width'] ) && empty( $size_data['height'] ) ) {
// This size isn't set.
continue;
}
if ( isset( $additional_sizes[ $size_name ]['crop'] ) ) {
$size_data['crop'] = $additional_sizes[ $size_name ]['crop'];
} else {
$size_data['crop'] = get_option( "{$size_name}_crop" );
}
if ( ! is_array( $size_data['crop'] ) || empty( $size_data['crop'] ) ) {
$size_data['crop'] = (bool) $size_data['crop'];
}
$all_sizes[ $size_name ] = $size_data;
}
return $all_sizes;
}
/**
* Fix image orientation for one or more attachments.
*
* ## OPTIONS
*
* [<attachment-id>...]
* : One or more IDs of the attachments to regenerate.
*
* [--dry-run]
* : Check images needing orientation without performing the operation.
*
* ## EXAMPLES
*
* # Fix orientation for all images.
* $ wp media fix-orientation
* 1/3 Fixing orientation for "Landscape_4" (ID 62).
* 2/3 Fixing orientation for "Landscape_3" (ID 61).
* 3/3 Fixing orientation for "Landscape_2" (ID 60).
* Success: Fixed 3 of 3 images.
*
* # Fix orientation dry run.
* $ wp media fix-orientation 63 --dry-run
* 1/1 "Portrait_6" (ID 63) will be affected.
* Success: 1 of 1 image will be affected.
*
* # Fix orientation for specific images.
* $ wp media fix-orientation 63
* 1/1 Fixing orientation for "Portrait_6" (ID 63).
* Success: Fixed 1 of 1 images.
*
* @subcommand fix-orientation
*/
public function fix_orientation( $args, $assoc_args ) {
// EXIF is required to read image metadata for orientation.
if ( ! extension_loaded( 'exif' ) ) {
WP_CLI::error( "'EXIF' extension is not loaded, it is required for this operation." );
} elseif ( ! function_exists( 'exif_read_data' ) ) {
WP_CLI::error( "Function 'exif_read_data' does not exist, it is required for this operation." );
}
$images = $this->get_images( $args );
$count = $images->post_count;
$dry_run = Utils\get_flag_value( $assoc_args, 'dry-run' );
if ( ! $count ) {
WP_CLI::error( 'No images found.' );
}
$number = 0;
$successes = 0;
$errors = 0;
foreach ( $images->posts as $post_id ) {
++$number;
if ( 0 === $number % self::WP_CLEAR_OBJECT_CACHE_INTERVAL ) {
Utils\wp_clear_object_cache();
}
$this->process_orientation_fix( $post_id, "{$number}/{$count}", $successes, $errors, $dry_run );
}
if ( Utils\get_flag_value( $assoc_args, 'dry-run' ) ) {
WP_CLI::success( sprintf( '%s of %s %s will be affected.', $successes, $count, Utils\pluralize( 'image', $count ) ) );
} else {
Utils\report_batch_operation_results( 'image', 'fix', $count, $successes, $errors );
}
}
/**
* Perform orientation fix on attachments.
*
* @param int $id Attachment Id.
* @param string $progress Current progress string.
* @param int $successes Count of success in current operation.
* @param int $errors Count of errors in current operation.
* @param bool $dry_run Is this a dry run?
*/
private function process_orientation_fix( $id, $progress, &$successes, &$errors, $dry_run ) {
$title = get_the_title( $id );
if ( '' === $title ) {
// If audio or video cover art then the id is the sub attachment id, which has no title.
if ( metadata_exists( 'post', $id, '_cover_hash' ) ) {
// Unfortunately the only way to get the attachment title would be to do a non-indexed query against the meta value of `_thumbnail_id`. So don't.
$att_desc = sprintf( 'cover attachment (ID %d)', $id );
} else {
$att_desc = sprintf( '"(no title)" (ID %d)', $id );
}
} else {
$att_desc = sprintf( '"%1$s" (ID %2$d)', $title, $id );
}
$full_size_path = $this->get_attached_file( $id );
if ( false === $full_size_path || ! file_exists( $full_size_path ) ) {
WP_CLI::warning( "Can't find {$att_desc}." );
++$errors;
return;
}
// Get current metadata of the attachment.
$metadata = wp_generate_attachment_metadata( $id, $full_size_path );
$image_meta = ! empty( $metadata['image_meta'] ) ? $metadata['image_meta'] : [];
if ( isset( $image_meta['orientation'] ) && absint( $image_meta['orientation'] ) > 1 ) {
if ( ! $dry_run ) {
WP_CLI::log( "{$progress} Fixing orientation for {$att_desc}." );
if ( false !== $this->flip_rotate_image( $id, $metadata, $image_meta, $full_size_path ) ) {
++$successes;
} else {
++$errors;
WP_CLI::log( "Couldn't fix orientation for {$att_desc}." );
}
} else {
WP_CLI::log( "{$progress} {$att_desc} will be affected." );
++$successes;
}
} else {
WP_CLI::log( "{$progress} No orientation fix required for {$att_desc}." );
}
}
/**
* Perform image rotate operations on the image.
*
* @param int $id Attachment Id.
* @param array $metadata Attachment Metadata.
* @param array $image_meta `image_meta` information for the attachment.
* @param string $full_size_path Path to original image.
*
* @return bool Whether the image rotation operation succeeded.
*/
private function flip_rotate_image( $id, $metadata, $image_meta, $full_size_path ) {
$editor = wp_get_image_editor( $full_size_path );
if ( ! is_wp_error( $editor ) ) {
$operations = $this->calculate_transformation( (int) $image_meta['orientation'] );
// Rotate image if required.
if ( true === $operations['rotate'] ) {
$editor->rotate( $operations['degree'] );
}
// Flip image if required.
if ( false !== $operations['flip'] ) {
$editor->flip( $operations['flip'][0], $operations['flip'][1] );
}
// Save the image and generate metadata.
$editor->save( $full_size_path );
$metadata = wp_generate_attachment_metadata( $id, $full_size_path );
$image_meta = empty( $metadata['image_meta'] ) ? [] : $metadata['image_meta'];
// Update attachment metadata with newly generated data.
wp_update_attachment_metadata( $id, $metadata );
if ( isset( $image_meta['orientation'] ) && absint( $image_meta['orientation'] ) === 0 ) {
return true;
}
}
return false;
}
/**
* Return array of operations to be done for provided orientation value.
*
* @param int $orientation EXIF orientation value.
*
* @return array
*/
private function calculate_transformation( $orientation ) {
$rotate = false;
$flip = false;
$degree = 0;
switch ( $orientation ) {
case 2:
$flip = [ false, true ]; // $flip image along given axis [ horizontal, vertical ]
break;
case 3:
$flip = [ true, true ];
break;
case 4:
$flip = [ true, false ];
break;
case 5:
$degree = -90;
$rotate = true;
$flip = [ false, true ];
break;
case 6:
$degree = -90;
$rotate = true;
break;
case 7:
$degree = 90;
$rotate = true;
$flip = [ false, true ];
break;
case 8:
$degree = 90;
$rotate = true;
break;
default:
$degree = 0;
$rotate = true;
break;
}
return [
'flip' => $flip,
'degree' => $degree,
'rotate' => $rotate,
];
}
/**
* Add compatibility indirection to get_attached_file().
*
* In WordPress 5.3, behavior changed to account for automatic resizing of
* big image files.
*
* @see https://core.trac.wordpress.org/ticket/47873
*
* @param int $attachment_id ID of the attachment to get the filepath for.
* @return string|false Filepath of the attachment, or false if not found.
*/
private function get_attached_file( $attachment_id ) {
if ( function_exists( 'wp_get_original_image_path' ) ) {
$filepath = wp_get_original_image_path( $attachment_id );
if ( false !== $filepath ) {
return $filepath;
}
}
return get_attached_file( $attachment_id );
}
/**
* Image-friendly alternative to wp_get_attachment_url(). Will return the full size URL of an image instead of the `-scaled` version.
*
* In WordPress 5.3, behavior changed to account for automatic resizing of
* big image files.
*
* @see https://core.trac.wordpress.org/ticket/47873
*
* @param int $attachment_id ID of the attachment to get the URL for.
* @return string|false URL of the attachment, or false if not found.
*/
private function get_real_attachment_url( $attachment_id ) {
if ( function_exists( 'wp_get_original_image_url' ) ) {
$url = wp_get_original_image_url( $attachment_id );
if ( false !== $url ) {
return $url;
}
}
return wp_get_attachment_url( $attachment_id );
}
/**
* Create image slug based on user input slug.
* Add basename extension to slug.
*
* @param string $basename Default slu of image.
* @param string $slug User input slug.
*
* @return string Image slug with extension.
*/
private function get_image_name( $basename, $slug ) {
$extension = pathinfo( $basename, PATHINFO_EXTENSION );
return $slug . '.' . $extension;
}
/**
* Removes files for unknown/unregistered image sizes.
*
* Similar to {@see self::remove_old_images} but also updates metadata afterwards.
*
* @param int $id Attachment ID.
* @param string $fullsizepath Filepath of the attachment.
*
* @return void
*/
private function delete_unknown_image_sizes( $id, $fullsizepath ) {
$original_meta = wp_get_attachment_metadata( $id );
$image_sizes = wp_list_pluck( $this->get_registered_image_sizes(), 'name' );
$dir_path = dirname( $fullsizepath ) . '/';
$sizes_to_delete = array();
if ( isset( $original_meta['sizes'] ) ) {
foreach ( $original_meta['sizes'] as $size_name => $size_meta ) {
if ( 'full' === $size_name ) {
continue;
}
if ( ! in_array( $size_name, $image_sizes, true ) ) {
$intermediate_path = $dir_path . $size_meta['file'];
if ( $intermediate_path === $fullsizepath ) {
continue;
}
if ( file_exists( $intermediate_path ) ) {
unlink( $intermediate_path );
}
$sizes_to_delete[] = $size_name;
}
}
foreach ( $sizes_to_delete as $size_name ) {
unset( $original_meta['sizes'][ $size_name ] );
}
}
wp_update_attachment_metadata( $id, $original_meta );
}
}