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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 |
---|---|
5719 | $pung = preg_split( '/\s/', $pung ); |
5720 |
|
5721 | /** |
5722 | * Filters the list of already-pinged URLs for the given post. |
5723 | * |
5724 | * @since 2.0.0 |
5725 | * |
5726 | * @param string[] $pung Array of URLs already pinged for the given post. |
5727 | */ |
5728 | return apply_filters( 'get_pung', $pung ); |
5729 | } |
5730 |
|
5731 | /** |
5732 | * Retrieves URLs that need to be pinged. |
5733 | * |
5734 | * @since 1.5.0 |
5735 | * @since 4.7.0 `$post` can be a WP_Post object. |
5736 | * |
5737 | * @param int|WP_Post $post Post ID or post object. |