WP_REST_Attachments_Controller::validate_sub_size_provenance( int $attachment_id, array $sub_sizes ): true|WP_Error

3087	protected function validate_sub_size_provenance( int $attachment_id, array $sub_sizes ) {3088		$allowed = $this->get_sideloaded_file_names( $attachment_id );3089 3090		foreach ( $sub_sizes as $sub_size ) {3091			foreach ( array( 'file', 'original_image' ) as $key ) {3092				/*3093				 * Every value that was sent is checked, no matter how unlikely3094				 * a name it looks. A loose emptiness test would wave through3095				 * '0', which is a valid one-character name as far as the schema3096				 * is concerned and is stored like any other. A value the schema3097				 * types as a string but which arrives as something else is3098				 * rejected rather than skipped, so a subclass which widens the3099				 * schema cannot pass an unchecked value on to the metadata.3100				 */3101				if ( ! isset( $sub_size[ $key ] ) ) {3102					continue;3103				}3104 3105				if ( ! is_string( $sub_size[ $key ] ) || ! in_array( $sub_size[ $key ], $allowed, true ) ) {3106					return new WP_Error(3107						'rest_invalid_sub_size_file',3108						__( 'Invalid sub-size file name. File names must have been produced by a prior sideload for this attachment.' ),3109						array( 'status' => 400 )3110					);3111				}3112			}3113		}3114 3115		return true;3116	}
When	Instructions	Calls it makes
always	9–10	`->get_sideloaded_file_names()`
`!$sub_sizes && isset($sub_size[$key])`	26–30	`->get_sideloaded_file_names(), __()`
PHP	Compiled	Executed	Branches	Notes
8.6-dev	34	9–30	7
8.5	34	9–30	7
8.4	34	9–30	7	3 fewer instructions than PHP 8.3
8.3	37	9–33	7
8.2	37	9–33	7
8.1	37	9–33	7
7.4	37	9–33	7