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<?php function isEqual($value, &$a = null, &$b = null) { $a = $value; $b = 2; return $a == $b; } $force = true; for($i=0; $i<3; $i++) { if ($isEqual($i, $a, $b) || $force) { echo $i . PHP_EOL; } }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $isEqual in /in/8OiIu on line 12 Fatal error: Uncaught Error: Value of type null is not callable in /in/8OiIu:12 Stack trace: #0 {main} thrown in /in/8OiIu on line 12
Process exited with code 255.

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