WP_Site_Icon::get_post_metadata( null|array|string $value, int $post_id, string $meta_key, bool $single ): array|null|string
Adds custom image sizes when meta data for an image is requested, that happens to be used as Site Icon.
Parameters
-
$valuenull|array|string Required -
The value get_metadata() should return a single metadata value, or an array of values.
-
$post_idint Required -
Post ID.
-
$meta_keystring Required -
Meta key.
-
$singlebool Required -
Whether to return only the first value of the specified
$meta_key.
Return
array|null|string The attachment metadata value, array of values, or null.
Source
File: wp-admin/includes/class-wp-site-icon.php.
View all references
public function get_post_metadata( $value, $post_id, $meta_key, $single ) {
if ( $single && '_wp_attachment_backup_sizes' === $meta_key ) {
$site_icon_id = (int) get_option( 'site_icon' );
if ( $post_id === $site_icon_id ) {
add_filter( 'intermediate_image_sizes', array( $this, 'intermediate_image_sizes' ) );
}
}
return $value;
}
Changelog
| Version | Description |
|---|---|
| 4.3.0 | Introduced. |