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<?php $arr = ""; foreach(range(0,10) as $k => $v){ echo ${arr.$k} = $v."\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "arr" in /in/QKXHu:4 Stack trace: #0 {main} thrown in /in/QKXHu on line 4
Process exited with code 255.

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