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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 |
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3101 | function wp_get_video_extensions() { |
3102 | /** |
3103 | * Filters the list of supported video formats. |
3104 | * |
3105 | * @since 3.6.0 |
3106 | * |
3107 | * @param string[] $extensions An array of supported video formats. Defaults are |
3108 | * 'mp4', 'm4v', 'webm', 'ogv', 'flv'. |
3109 | */ |
3110 | return apply_filters( 'wp_video_extensions', array( 'mp4', 'm4v', 'webm', 'ogv', 'flv' ) ); |
3111 | } |
3112 |
|
3113 | /** |
3114 | * Builds the Video shortcode output. |
3115 | * |
3116 | * This implements the functionality of the Video Shortcode for displaying |
3117 | * WordPress mp4s in a post. |
3118 | * |
3119 | * @since 3.6.0 |