- print_r: documentation ( source)
<?php
$pero = array('asd' => array('a' =>'erp', 'b' => 'bb'),
'aa' => array('b' => 'bb2','a' =>'erp2'));
$res = array();
foreach($pero as &$val)
{
unset($val['a']);
$res[] = $val;
}
print_r($pero);
print_r($res);
?>