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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 |
|---|---|
| 2991 | * |
| 2992 | * @since 3.6.0 |
| 2993 | * |
| 2994 | * @param string $html Audio shortcode HTML output. |
| 2995 | * @param array $atts Array of audio shortcode attributes. |
| 2996 | * @param string $audio Audio file. |
| 2997 | * @param int $post_id Post ID. |
| 2998 | * @param string $library Media library used for the audio shortcode. |
| 2999 | */ |
| 3000 | return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library ); |
| 3001 | } |
| 3002 | add_shortcode( 'audio', 'wp_audio_shortcode' ); |
| 3003 | |
| 3004 | /** |
| 3005 | * Returns a filtered list of supported video formats. |
| 3006 | * |
| 3007 | * @since 3.6.0 |
| 3008 | * |
| 3009 | * @return string[] List of supported video formats. |