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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array('a', 'b'); foreach ($a as $key => $val) { $a[1] .= 'a'; var_dump($val); } var_dump($a);
based on k8YMM
Output for 4.3.0 - 7.2.0
string(1) "a" string(1) "b" array(2) { [0]=> string(1) "a" [1]=> string(3) "baa" }