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run code in 200+ php & hhvm versions
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<?php $arr = range(1, 3); var_dump(current($arr)); foreach($arr as &$val) { } //unset($val); var_dump(current($arr));
based on kRrr8
Output for 7.0.0 - 7.2.0
int(1) int(1)
Output for 5.3.21 - 5.6.28
int(1) bool(false)