- print_r: documentation ( source)
<?php
$arr = array(
'a' => array('value' => 2),
'b' => array('value' => 4),
'c' => array('value' => 6)
);
print_r($arr);
foreach ($arr as &$a)
{
$a['value'] /= 2;
}
foreach ($arr as $a)
{
print_r($a);
}
unset($a);
foreach ($arr as $a)
{
print_r($a);
}