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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 |
|---|---|
| 1637 | * |
| 1638 | * @since 3.6.0 |
| 1639 | * |
| 1640 | * @param string $html Audio shortcode HTML output. |
| 1641 | * @param array $atts Array of audio shortcode attributes. |
| 1642 | * @param string $audio Audio file. |
| 1643 | * @param int $post_id Post ID. |
| 1644 | * @param string $library Media library used for the audio shortcode. |
| 1645 | */ |
| 1646 | return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library ); |
| 1647 | } |
| 1648 | add_shortcode( 'audio', 'wp_audio_shortcode' ); |
| 1649 | |
| 1650 | /** |
| 1651 | * Return a filtered list of WP-supported video formats |
| 1652 | * |
| 1653 | * @since 3.6.0 |
| 1654 | * @return array |
| 1655 | */ |