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<?php $a=array(1, 2, 3, 4, 5); foreach($a as $b) { $a[$b]++; } var_dump($a); foreach($a as $b) { $a[$b]++; } var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 5 in /in/qBAbA on line 4 array(6) { [0]=> int(1) [1]=> int(3) [2]=> int(4) [3]=> int(5) [4]=> int(6) [5]=> int(1) } Warning: Undefined array key 6 in /in/qBAbA on line 10 array(7) { [0]=> int(1) [1]=> int(5) [2]=> int(4) [3]=> int(6) [4]=> int(7) [5]=> int(2) [6]=> int(1) }

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