3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hello[0][0] = "v:0"; $hello[0][1] = "v:1"; $hello[0][2] = "v:2"; for($i=0;$i<count($hello[0]);$i++) { echo $hello[0]["abc".$i+1]; }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "abc1" in /in/p8Wp4 on line 9 Warning: Undefined array key "abc2" in /in/p8Wp4 on line 9 Warning: Undefined array key "abc3" in /in/p8Wp4 on line 9

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