تابع wc_update_220_variations بروزرسانی ویژگی های متغیر ووکامرس به نسخه 2.2.0

تابع ووکامرسی wc_update_220_variations – بروزرسانی ویژگی های متغیر ووکامرس به نسخه 2.2.0

wc_update_220_variations(); 

if ( !function_exists( 'wc_update_220_variations' ) ) { 
    require_once ABSPATH . PLUGINDIR . 'woocommerce/includes/wc-update-functions.php'; 
} 
 
  
// NOTICE! Understand what this does before running. 
$result = wc_update_220_variations(); 
    

function wc_update_220_variations() { 
    global $wpdb; 
    // Update variations which manage stock 
    $update_variations = $wpdb->get_results( " 
        SELECT DISTINCT posts.ID AS variation_id, posts.post_parent AS variation_parent FROM {$wpdb->posts} as posts 
        LEFT OUTER JOIN {$wpdb->postmeta} AS postmeta ON posts.ID = postmeta.post_id AND postmeta.meta_key = '_stock' 
        LEFT OUTER JOIN {$wpdb->postmeta} as postmeta2 ON posts.ID = postmeta2.post_id AND postmeta2.meta_key = '_manage_stock' 
        WHERE posts.post_type = 'product_variation' 
        AND postmeta.meta_value IS NOT NULL 
        AND postmeta.meta_value != '' 
        AND postmeta2.meta_value IS NULL 
    " ); 
 
    foreach ( $update_variations as $variation ) { 
        $parent_backorders = get_post_meta( $variation->variation_parent, '_backorders', true ); 
        add_post_meta( $variation->variation_id, '_manage_stock', 'yes', true ); 
        add_post_meta( $variation->variation_id, '_backorders', $parent_backorders ? $parent_backorders : 'no', true ); 
    } 
}