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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 |
---|---|
803 | * |
804 | * Allows modification of the link query arguments before querying. |
805 | * |
806 | * @see WP_Query for a full list of arguments |
807 | * |
808 | * @since 3.7.0 |
809 | * |
810 | * @param array $query An array of WP_Query arguments. |
811 | */ |
812 | $query = apply_filters( 'wp_link_query_args', $query ); |
813 |
|
814 | // Do main query. |
815 | $get_posts = new WP_Query; |
816 | $posts = $get_posts->query( $query ); |
817 | // Check if any posts were found. |
818 | if ( ! $get_posts->post_count ) |
819 | return false; |
820 |
|
821 | // Build results. |