wp-includes/media.php:6031Extracts meta information about an AVIF file: width, height, bit depth, and number of channels.
$filenamestringarray$widthint|false
$heightint|false
$bit_depthint|false
$num_channelsint|false
function wp_get_avif_info( $filename ) { $results = array( 'width' => false, 'height' => false, 'bit_depth' => false, 'num_channels' => false, ); if ( 'image/avif' !== wp_get_image_mime( $filename ) ) { return $results; } // Parse the file using libavifinfo's PHP implementation. require_once ABSPATH . WPINC . '/class-avif-info.php'; $handle = fopen( $filename, 'rb' ); if ( $handle ) { $parser = new Avifinfo\Parser( $handle ); $success = $parser->parse_ftyp() && $parser->parse_file(); fclose( $handle ); if ( $success ) { $results = $parser->features->primary_item_features; } } return $results;}Introduced in 6.5.0. 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.