wp-includes/media.php:3270Provides a No-JS Flash fallback as a last resort for audio / video.
$urlstringstringOne hook fires while wp_mediaelement_fallback() runs, in this order:
Filters the MediaElement fallback output for no-JS.
function wp_mediaelement_fallback( $url ) { /** * Filters the MediaElement fallback output for no-JS. * * @since 3.6.0 * * @param string $output Fallback output for no-JS. * @param string $url Media file URL. */ return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url );}Introduced in 3.6.0. 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.