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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 |
|---|---|
| 2783 | } |
| 2784 | |
| 2785 | /** |
| 2786 | * Filters the media library used for the video shortcode. |
| 2787 | * |
| 2788 | * @since 3.6.0 |
| 2789 | * |
| 2790 | * @param string $library Media library used for the video shortcode. |
| 2791 | */ |
| 2792 | $library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' ); |
| 2793 | if ( 'mediaelement' === $library && did_action( 'init' ) ) { |
| 2794 | wp_enqueue_style( 'wp-mediaelement' ); |
| 2795 | wp_enqueue_script( 'wp-mediaelement' ); |
| 2796 | wp_enqueue_script( 'mediaelement-vimeo' ); |
| 2797 | } |
| 2798 | |
| 2799 | // Mediaelement has issues with some URL formats for Vimeo and YouTube, so |
| 2800 | // update the URL to prevent the ME.js player from breaking. |
| 2801 | if ( 'mediaelement' === $library ) { |