wp-includes/media.php:5676Allows PHP's getimagesize() to be debuggable when necessary.
$filenamestring$image_infoarrayoptionalnullarray|falsefunction wp_getimagesize( $filename, ?array &$image_info = null ) { // Don't silence errors when in debug mode, unless running unit tests. if ( defined( 'WP_DEBUG' ) && WP_DEBUG && ! defined( 'WP_RUN_CORE_TESTS' ) ) { if ( 2 === func_num_args() ) { $info = getimagesize( $filename, $image_info ); } else { $info = getimagesize( $filename ); } } else { /* * Silencing notice and warning is intentional. * * getimagesize() has a tendency to generate errors, such as * "corrupt JPEG data: 7191 extraneous bytes before marker", * even when it's able to provide image size information. * * See https://core.trac.wordpress.org/ticket/42480 */ if ( 2 === func_num_args() ) { $info = @getimagesize( $filename, $image_info ); } else { $info = @getimagesize( $filename ); } } if ( ! empty( $info ) && // Some PHP versions return 0x0 sizes from `getimagesize` for unrecognized image formats, including AVIFs. ! ( empty( $info[0] ) && empty( $info[1] ) ) ) { return $info; } $image_mime_type = wp_get_image_mime( $filename ); // Not an image? if ( false === $image_mime_type ) { return false; } /* * For PHP versions that don't support WebP images, * extract the image size info from the file headers. */ if ( 'image/webp' === $image_mime_type ) { $webp_info = wp_get_webp_info( $filename ); $width = $webp_info['width']; $height = $webp_info['height']; // Mimic the native return format. if ( $width && $height ) { return array( $width, $height, IMAGETYPE_WEBP, sprintf( 'width="%d" height="%d"', $width, $height ), 'mime' => 'image/webp', ); } } // For PHP versions that don't support AVIF images, extract the image size info from the file headers. if ( 'image/avif' === $image_mime_type ) { $avif_info = wp_get_avif_info( $filename ); $width = $avif_info['width']; $height = $avif_info['height']; // Mimic the native return format. if ( $width && $height ) { return array( $width, $height, IMAGETYPE_AVIF, sprintf( 'width="%d" height="%d"',Introduced in 5.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/media.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.