wp-includes/class-wp-image-editor-gd.php:16WordPress Image Editor Class for Image Manipulation through GD
Every hook that fires from inside WP_Image_Editor_GD, in the order it appears in the class, grouped by the method that fires it.
$imageresource|GdImageprotectedclass WP_Image_Editor_GD extends WP_Image_Editor { /** * GD Resource. * * @var resource|GdImage */ protected $image; public function __destruct() { if ( $this->image ) { if ( PHP_VERSION_ID < 80000 ) { // imagedestroy() has no effect as of PHP 8.0. // We don't need the original in memory anymore. imagedestroy( $this->image ); } } } /** * Checks to see if current environment supports GD. * * @since 3.5.0 * * @param array $args * @return bool */ public static function test( $args = array() ) { if ( ! extension_loaded( 'gd' ) || ! function_exists( 'gd_info' ) ) { return false; } // On some setups GD library does not provide imagerotate() - Ticket #11536. if ( isset( $args['methods'] ) && in_array( 'rotate', $args['methods'], true ) && ! function_exists( 'imagerotate' ) ) { return false; } return true; } /** * Checks to see if editor supports the mime-type specified. * * @since 3.5.0 * * @param string $mime_type * @return bool */ public static function supports_mime_type( $mime_type ) { $image_types = imagetypes(); switch ( $mime_type ) { case 'image/jpeg': return ( $image_types & IMG_JPG ) !== 0; case 'image/png': return ( $image_types & IMG_PNG ) !== 0; case 'image/gif': return ( $image_types & IMG_GIF ) !== 0; case 'image/webp': return ( $image_types & IMG_WEBP ) !== 0; case 'image/avif': return ( $image_types & IMG_AVIF ) !== 0 && function_exists( 'imageavif' ); } return false; } /** * Loads image from $this->file into new GD Resource. * * @since 3.5.0 * * @return true|WP_Error True if loaded successfully; WP_Error on failure. */ public function load() { if ( $this->image ) { return true; } if ( ! is_file( $this->file ) && ! preg_match( '|^https?://|', $this->file ) ) {Introduced in 3.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-image-editor-gd.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.