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<?php $array = [0, 1, 2]; $array =& $array; // Necessary to trigger the old behavior foreach ($array as $val) { var_dump($val); unset($array[1]); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(0) int(1) int(2)
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
int(0) int(2)

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147.08 ms | 402 KiB | 226 Q