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<?php $z="printf"; function x($n) { for($i = 1; $i <= $n; $i++) { $n % $i == 0 && $i != $n ? $f[]=$i & $z('$i '): 0; } array_sum($f) == $n ? $z('P') : $z('I'); } x(28);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $z in /in/nCOXk on line 5 Fatal error: Uncaught Error: Value of type null is not callable in /in/nCOXk:5 Stack trace: #0 /in/nCOXk(10): x(28) #1 {main} thrown in /in/nCOXk on line 5
Process exited with code 255.

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