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<?php function notEquals($expected, $value, string $message = '') { if ($expected != $value) { throw new \Exception('Assertion! ' . ($message ? $message : ($value . ' did not equal ' . $expected))); } } $x = 123; assert(notEquals(1, $x));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Exception: Assertion! 123 did not equal 1 in /in/53AgE:5 Stack trace: #0 /in/53AgE(10): notEquals(1, 123) #1 {main} thrown in /in/53AgE on line 5
Process exited with code 255.

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