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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
2727 | function wp_mediaelement_fallback( $url ) { |
2728 | /** |
2729 | * Filters the Mediaelement fallback output for no-JS. |
2730 | * |
2731 | * @since 3.6.0 |
2732 | * |
2733 | * @param string $output Fallback output for no-JS. |
2734 | * @param string $url Media file URL. |
2735 | */ |
2736 | return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url ); |
2737 | } |
2738 |
|
2739 | /** |
2740 | * Returns a filtered list of supported audio formats. |
2741 | * |
2742 | * @since 3.6.0 |
2743 | * |
2744 | * @return string[] Supported audio formats. |
2745 | */ |