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<?php $hello[0]["y:1"] = "v:a"; $hello[0]["y:2"] = "v:b"; for($i=0;$i<count($hello[0]);$i++) { echo $hello[0]["y:1".$i]; echo $hello[0]["y:".$i]; }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "y:10" in /in/D53KF on line 9 Warning: Undefined array key "y:0" in /in/D53KF on line 10 Warning: Undefined array key "y:11" in /in/D53KF on line 9 v:a

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