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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 |
---|---|
1615 | * |
1616 | * Allows modification of the link query arguments before querying. |
1617 | * |
1618 | * @see WP_Query for a full list of arguments |
1619 | * |
1620 | * @since 3.7.0 |
1621 | * |
1622 | * @param array $query An array of WP_Query arguments. |
1623 | */ |
1624 | $query = apply_filters( 'wp_link_query_args', $query ); |
1625 |
|
1626 | // Do main query. |
1627 | $get_posts = new WP_Query; |
1628 | $posts = $get_posts->query( $query ); |
1629 |
|
1630 | // Build results. |
1631 | $results = array(); |
1632 | foreach ( $posts as $post ) { |
1633 | if ( 'post' == $post->post_type ) |