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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 |
---|---|
3961 | $pung = preg_split('/\s/', $pung); |
3962 |
|
3963 | /** |
3964 | * Filter the list of already-pinged URLs for the given post. |
3965 | * |
3966 | * @since 2.0.0 |
3967 | * |
3968 | * @param array $pung Array of URLs already pinged for the given post. |
3969 | */ |
3970 | return apply_filters( 'get_pung', $pung ); |
3971 | } |
3972 |
|
3973 | /** |
3974 | * Retrieve URLs that need to be pinged. |
3975 | * |
3976 | * @since 1.5.0 |
3977 | * |
3978 | * @global wpdb $wpdb WordPress database abstraction object. |
3979 | * |