wp-includes/class-avif-info.php:64Reads bytes and advances the stream position by the same count.
$handleAvifinfo\stream$num_bytesintAvifinfo\binaryfunction read( $handle, $num_bytes ) { $data = fread( $handle, $num_bytes ); return ( $data !== false && strlen( $data ) >= $num_bytes ) ? $data : false;}Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-avif-info.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.