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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 |
---|---|
3985 | $pung = preg_split('/\s/', $pung); |
3986 |
|
3987 | /** |
3988 | * Filters the list of already-pinged URLs for the given post. |
3989 | * |
3990 | * @since 2.0.0 |
3991 | * |
3992 | * @param array $pung Array of URLs already pinged for the given post. |
3993 | */ |
3994 | return apply_filters( 'get_pung', $pung ); |
3995 | } |
3996 |
|
3997 | /** |
3998 | * Retrieve URLs that need to be pinged. |
3999 | * |
4000 | * @since 1.5.0 |
4001 | * |
4002 | * @global wpdb $wpdb WordPress database abstraction object. |
4003 | * |