Source View: terms_clauses

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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
1533      /**
1534       * Filter the terms query SQL clauses.
1535       *
1536       * @since 3.1.0
1537       *
1538       * @param array        $pieces     Terms query SQL clauses.
1539       * @param string|array $taxonomies A taxonomy or array of taxonomies.
1540       * @param array        $args       An array of terms query arguments.
1541       */
1542      $clauses = apply_filters( 'terms_clauses', compact( $pieces ), $taxonomies, $args );
1543      foreach ( $pieces as $piece )
1544           $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
1545
1546      $query = "SELECT $fields FROM $wpdb->terms AS t $join WHERE $where $orderby $order $limits";
1547
1548      $fields = $_fields;
1549
1550      if ( 'count' == $fields ) {
1551           $term_count = $wpdb->get_var($query);