- var_dump: documentation ( source)
<?php
$r = array() ;
$r[] = array() ;
$r[0]['table'] = "userSessions" ;
$r[0]['data'] = array('uid'=>12345) ;
$r[1]['table'] = "userTable" ;
$r[1]['data'] = array('mid'=>'112233') ;
$r[1]['data'][0]['test'] = 'something' ;
var_dump($r) ;