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<?php $initalConfig = ['test' => 'yes']; $initialConfig += ['test2' => 'boom']; var_dump($initalConfig);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $initialConfig in /in/TWQ2W on line 4 Fatal error: Uncaught TypeError: Unsupported operand types: null + array in /in/TWQ2W:4 Stack trace: #0 {main} thrown in /in/TWQ2W on line 4
Process exited with code 255.

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