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<?php $a = 5; $b = 7; echo "The sum of $a and $b is ".sum($a+$b); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function sum() in /in/YSJhE:5 Stack trace: #0 {main} thrown in /in/YSJhE on line 5
Process exited with code 255.

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