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Source View: posts_search

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

Line Code
2692
2693           /**
2694            * Filter the search SQL that is used in the WHERE clause of WP_Query.
2695            *
2696            * @since 3.0.0
2697            *
2698            * @param string   $search Search SQL for WHERE clause.
2699            * @param WP_Query $this   The current WP_Query object.
2700            */
2701           $search = apply_filters_ref_array( 'posts_search', array( $search, &$this ) );
2702
2703           // Taxonomies
2704           if ( !$this->is_singular ) {
2705                $this->parse_tax_query( $q );
2706
2707                $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
2708
2709                $join .= $clauses['join'];
2710                $where .= $clauses['where'];