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<?php $a = ''; $b = null; echo $a +1; echo $b + 2;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Unsupported operand types: string + int in /in/kKWvq:5 Stack trace: #0 {main} thrown in /in/kKWvq on line 5
Process exited with code 255.

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