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run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo(&$array) { $copy = $array; foreach ($copy as $value) { var_dump($value); $array[1] = 'c'; } } $arr = array('a', 'b'); foo($arr);
Output for 4.3.0 - 7.2.0
string(1) "a" string(1) "b"