controller_before.*

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Triggered before execution of a specified PHP controller.

Shop-Script

Input (passed by reference)

$params['controller'] waViewController Controller class instance.
$params['params'] array|null Parameters passed to the controller class.

… your plugin code …

Output

$return

A plugin may return false to prevent the controller from execution.

Shop-Script

Plugin code example

PHP

/**
 * 'handlers' => [
 *     'controller_before.shopFrontendCartAddController' => 'controllerBeforeShopFrontendCartAddController',
 * ],
 */    
public function controllerBeforeShopFrontendCartAddController(&$params)
{
    return false; // to make adding products to cart not working any more
}