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<?php $a = "A-MTP-"; $i = 1; $j=1; $s=1; while ($i < 4) { $ch="ch".$s ; $ch= "$".$ch; echo $$ch; while($j < 13) { $j++; } $i++;$s++; }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $$ch1 in /in/8NRXK on line 10 Warning: Undefined variable $$ch2 in /in/8NRXK on line 10 Warning: Undefined variable $$ch3 in /in/8NRXK on line 10

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