<?
$a = array("a"=>"111",
"b"=>"222",
"c"=>"333");
foreach ($a as $ix => $val) {
$ref = &$a[$ix];
$ref = $val . '_changed';
}
foreach ($a as $ix => $val) echo "$val ";
// 111_changed 222_changed 333_changed
?>
is a simply way to change elements of array witohut retyping
$array_name[$index] all the time
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