An exception listener to pickup PDOExceptions thrown in the codebase.

PdoExceptionListener.php

<?php
/**
 * An exception listener to pickup PDOExceptions thrown in the codebase.
 *
 * @author Craig R Morton <crmpicco@aol.com>
 * @date 22-07-2016
 */

namespace AppBundle\EventListener;

use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;

class PdoExceptionListener
{
    /**
     * @param GetResponseForExceptionEvent $event
     */
    public function onPdoException(GetResponseForExceptionEvent $event)
    {
        $exception = $event->getException();
        if ($exception instanceof \PDOException) {
            error_log('We caught a PDOException, please see below for a stacktrace');
            error_log($exception->getTraceAsString());
        }
    }
}