3v4l.org

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<?php $a=array(1, 2, 3, 4, 5); foreach($a as $k=>$v) { $a[$k]++; if ($k == 2) break; } var_dump($a); foreach($a as $k=>$v) { $a[$k]++; } var_dump($a);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 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
array(5) { [0]=> int(2) [1]=> int(3) [2]=> int(4) [3]=> int(4) [4]=> int(5) } array(5) { [0]=> int(3) [1]=> int(4) [2]=> int(5) [3]=> int(5) [4]=> int(6) }

preferences:
197.25 ms | 406 KiB | 309 Q