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<?php $a = [1, 2, 3, 4, 5]; foreach($a as $k => &$v) { var_dump($v); unset($a[$k]); var_dump($v); $v .= '-m'; var_dump($v); } var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
int(1) int(1) string(3) "1-m" int(2) int(2) string(3) "2-m" int(3) int(3) string(3) "3-m" int(4) int(4) string(3) "4-m" int(5) int(5) string(3) "5-m" array(0) { }

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