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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 |
---|---|
3109 | function wp_mediaelement_fallback( $url ) { |
3110 | /** |
3111 | * Filters the Mediaelement fallback output for no-JS. |
3112 | * |
3113 | * @since 3.6.0 |
3114 | * |
3115 | * @param string $output Fallback output for no-JS. |
3116 | * @param string $url Media file URL. |
3117 | */ |
3118 | return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url ); |
3119 | } |
3120 |
|
3121 | /** |
3122 | * Returns a filtered list of supported audio formats. |
3123 | * |
3124 | * @since 3.6.0 |
3125 | * |
3126 | * @return string[] Supported audio formats. |
3127 | */ |