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run code in 200+ php & hhvm versions
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<?php $array = [0]; foreach ($array as &$value) { var_dump($value); $array[1] = 1; }
based on VB0H0
Output for 7.0.0 - 7.2.0
int(0) int(1)
Output for 5.5.0 - 5.6.28
int(0)