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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 |
---|---|
5186 | $pung = preg_split( '/\s/', $pung ); |
5187 |
|
5188 | /** |
5189 | * Filters the list of already-pinged URLs for the given post. |
5190 | * |
5191 | * @since 2.0.0 |
5192 | * |
5193 | * @param string[] $pung Array of URLs already pinged for the given post. |
5194 | */ |
5195 | return apply_filters( 'get_pung', $pung ); |
5196 | } |
5197 |
|
5198 | /** |
5199 | * Retrieve URLs that need to be pinged. |
5200 | * |
5201 | * @since 1.5.0 |
5202 | * @since 4.7.0 `$post_id` can be a WP_Post object. |
5203 | * |
5204 | * @param int|WP_Post $post_id Post Object or ID |