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Description

Appends tax queries to an array.

Usage

$array = WC_Query::get_tax_query( $tax_query, $main_query );

Parameters

$tax_query

( array ) optional – Tax query.

$main_query

( bool ) optional – If is main query.

Returns

array

Source

File name: woocommerce/includes/class-wc-query.php
Lines:

  public function get_tax_query( $tax_query = array(), $main_query = false ) {
    if ( ! is_array( $tax_query ) ) {
      $tax_query = array(
        'relation' => 'AND',
      );
    }

    // Layered nav filters on terms.
    if ( $main_query ) {
      foreach ( $this->get_layered_nav_chosen_attributes() as $taxonomy => $data ) {
        $tax_query[] = array(
          'taxonomy'         => $taxonomy,
          'field'            => 'slug',
          'terms'            => $data['terms'],
          'operator'         => 'and' === $data['query_type'] ? 'AND' : 'IN',
          'include_children' => false,
        );
      }
    }

    $product_visibility_terms  = wc_get_product_visibility_term_ids();
    $product_visibility_not_in = array( is_search() && $main_query ? $product_visibility_terms['exclude-from-search'] : $product_visibility_terms['exclude-from-catalog'] );

    // Hide out of stock products.
    if ( 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) ) {
      $product_visibility_not_in[] = $product_visibility_terms['outofstock'];
    }

    // Filter by rating.
    if ( isset( $_GET['rating_filter'] ) ) { // WPCS: input var ok, CSRF ok.
      $rating_filter = array_filter( array_map( 'absint', explode( ',', $_GET['rating_filter'] ) ) ); // WPCS: input var ok, CSRF ok, Sanitization ok.
      $rating_terms  = array();
      for ( $i = 1; $i <= 5; $i ++ ) {
        if ( in_array( $i, $rating_filter, true ) && isset( $product_visibility_terms[ 'rated-' . $i ] ) ) {
          $rating_terms[] = $product_visibility_terms[ 'rated-' . $i ];
        }
      }
      if ( ! empty( $rating_terms ) ) {
        $tax_query[] = array(
          'taxonomy'      => 'product_visibility',
          'field'         => 'term_taxonomy_id',
          'terms'         => $rating_terms,
          'operator'      => 'IN',
          'rating_filter' => true,
        );
      }
    }

    if ( ! empty( $product_visibility_not_in ) ) {
      $tax_query[] = array(
        'taxonomy' => 'product_visibility',
        'field'    => 'term_taxonomy_id',
        'terms'    => $product_visibility_not_in,
        'operator' => 'NOT IN',
      );
    }

    return array_filter( apply_filters( 'woocommerce_product_query_tax_query', $tax_query, $this ) );
  }
 

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