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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 |
|---|---|
| 2106 | function wp_mediaelement_fallback( $url ) { |
| 2107 | /** |
| 2108 | * Filters the Mediaelement fallback output for no-JS. |
| 2109 | * |
| 2110 | * @since 3.6.0 |
| 2111 | * |
| 2112 | * @param string $output Fallback output for no-JS. |
| 2113 | * @param string $url Media file URL. |
| 2114 | */ |
| 2115 | return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url ); |
| 2116 | } |
| 2117 | |
| 2118 | /** |
| 2119 | * Returns a filtered list of WP-supported audio formats. |
| 2120 | * |
| 2121 | * @since 3.6.0 |
| 2122 | * |
| 2123 | * @return array Supported audio formats. |
| 2124 | */ |