array ( [0] => 200kg [1] => 200cm ) [1] => array ( [0] => 20kg [1] => 20cm [2] => ok ) [2] => array ( [0] => 2kg [1] => 2cm [2] => ko ) [3] => array ( [0] => 1kg [1] => 1cm [2] => hello [3] => world ))