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<?php function diff($credit, $payment) { $credit = (int) $credit; $payment = (int) $payment; // unknown logic, could be a simple diff // like could be a payment process! echo $credit - $payment; } // good developer diff(2, 1); diff(2.5, 1.3); // good developer not strict diff('2', '1'); // good developer doing mistakes sum(2, -INF); sum(2, \stdClass);
Output for git.master, git.master_jit, rfc.property-hooks
111 Fatal error: Uncaught Error: Call to undefined function sum() in /in/ialf2:18 Stack trace: #0 {main} thrown in /in/ialf2 on line 18
Process exited with code 255.

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