Code-Snippets-Functions/Execute a function on a child site/WordPress/set-avif-compression-level.txt

// Use a quality setting of 75 for AVIF images.
function filter_avif_quality( $quality, $mime_type ) {
	if ( 'image/avif' === $mime_type ) {
		return 75;
	}
	return $quality;
}
add_filter( 'wp_editor_set_quality', 'filter_avif_quality', 10, 2 );