- var_dump: documentation ( source)
<?php
$validation = array ( 'Api\\LisaServiceClient\\LisaServiceRequest' => array ( 'JsonValidator' => NULL, 'ArrayKeysNotExistsValidator' => array ( 0 => 'errorMessage', ), 'ArrayKeysValidator' => array ( 0 => 'job', 1 => 'job[\'JobType\']', 2 => 'job[\'JobState\']', 3 => 'job[\'JobReference\']', 4 => 'job[\'Arguments\']' )));
var_dump($validation);