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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 |
|---|---|
| 4102 | $pung = preg_split( '/\s/', $pung ); |
| 4103 | |
| 4104 | /** |
| 4105 | * Filters the list of already-pinged URLs for the given post. |
| 4106 | * |
| 4107 | * @since 2.0.0 |
| 4108 | * |
| 4109 | * @param array $pung Array of URLs already pinged for the given post. |
| 4110 | */ |
| 4111 | return apply_filters( 'get_pung', $pung ); |
| 4112 | } |
| 4113 | |
| 4114 | /** |
| 4115 | * Retrieve URLs that need to be pinged. |
| 4116 | * |
| 4117 | * @since 1.5.0 |
| 4118 | * @since 4.7.0 $post_id can be a WP_Post object. |
| 4119 | * |
| 4120 | * @param int|WP_Post $post_id Post Object or ID |