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--TEST--
foreach() with references
--FILE--
<?php
$arr = array(1 => "one", 2 => "two", 3 => "three");
foreach($arr as $key => $val) {
$val = $key;
}
print_r($arr);
foreach($arr as $key => &$val) {
$val = $key;
}
print_r($arr);
--EXPECT--
Array
(
[1] => one
[2] => two
[3] => three
)
Array
(
[1] => 1
[2] => 2
[3] => 3
)
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