Uncheck used for variations programmatically

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Are you looking to uncheck the “Used for variations” option in WooCommerce programmatically? Here’s a quick guide on how to do this.

Untick "Used for variations" in WooCommerce with PHP

In order to uncheck this, you need to load the page whilst calling the below PHP script.

$temp_array = get_post_meta( get_the_ID(), '_product_attributes', true );
$temp_array['pa_size']['is_variation'] = 0;
update_post_meta( get_the_ID(), '_product_attributes', $temp_array );

You could run this function, each time a user visits the product, as per the example below.

function wpza__untick_attribute_variation() {
     if ( is_singular( 'product' ) ) {
          $temp_array = get_post_meta( get_the_ID(), '_product_attributes', true );
          $temp_array['pa_size']['is_variation'] = 0; // Change pa_size to your attribute name
          update_post_meta( get_the_ID(), '_product_attributes', $temp_array );
          wp_redirect( get_permalink( get_the_ID() ) );
          die();
     }
}
add_action( 'wp_head', 'wpza__untick_attribute_variation', 1 );