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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 |
|---|---|
| 3685 | * |
| 3686 | * @since 3.6.0 |
| 3687 | * |
| 3688 | * @param string $output Video shortcode HTML output. |
| 3689 | * @param array $atts Array of video shortcode attributes. |
| 3690 | * @param string $video Video file. |
| 3691 | * @param int $post_id Post ID. |
| 3692 | * @param string $library Media library used for the video shortcode. |
| 3693 | */ |
| 3694 | return apply_filters( 'wp_video_shortcode', $output, $atts, $video, $post_id, $library ); |
| 3695 | } |
| 3696 | add_shortcode( 'video', 'wp_video_shortcode' ); |
| 3697 | |
| 3698 | /** |
| 3699 | * Gets the previous image link that has the same post parent. |
| 3700 | * |
| 3701 | * @since 5.8.0 |
| 3702 | * |
| 3703 | * @see get_adjacent_image_link() |