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<?php $a = [1,2,3]; foreach($a as &$num) {} echo json_encode($a),"\n"; foreach($a as $num) { echo json_encode($a),"\n"; } echo implode(',',$a).PHP_EOL; // 1,2,2
Output for git.master_jit, git.master, rfc.property-hooks
[1,2,3] [1,2,1] [1,2,2] [1,2,2] 1,2,2

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