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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
2475
2476           /**
2477            * Filter the search SQL that is used in the WHERE clause of WP_Query.
2478            *
2479            * @since 3.0.0
2480            *
2481            * @param string   $search Search SQL for WHERE clause.
2482            * @param WP_Query $this   The current WP_Query object.
2483            */
2484           $search = apply_filters_ref_array( 'posts_search', array( $search, &$this ) );
2485
2486           // Taxonomies
2487           if ( !$this->is_singular ) {
2488                $this->parse_tax_query( $q );
2489
2490                $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
2491
2492                $join .= $clauses['join'];
2493                $where .= $clauses['where'];