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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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3631 |
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3632 | /** |
3633 | * Filters the embedded media types that are allowed to be returned from the content blob. |
3634 | * |
3635 | * @since 4.2.0 |
3636 | * |
3637 | * @param array $allowed_media_types An array of allowed media types. Default media types are |
3638 | * 'audio', 'video', 'object', 'embed', and 'iframe'. |
3639 | */ |
3640 | $allowed_media_types = apply_filters( 'media_embedded_in_content_allowed_types', array( 'audio', 'video', 'object', 'embed', 'iframe' ) ); |
3641 |
|
3642 | if ( ! empty( $types ) ) { |
3643 | if ( ! is_array( $types ) ) { |
3644 | $types = array( $types ); |
3645 | } |
3646 |
|
3647 | $allowed_media_types = array_intersect( $allowed_media_types, $types ); |
3648 | } |
3649 |
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