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<?php class Foo { public function __construct() { $args = func_get_args(); switch (count($args)) { case 2: return call_user_func_array(array($this, 'constr2'), $args); case 1: return call_user_func_array(array($this, 'constr1'), $args); } throw new Exception("invalid number of arguments"); } protected function constr1($a) { print "constr1 called\n"; } protected function constr2($a, $b) { print "constr2 called\n"; } } $a = new Foo(2); $b = new Foo(2, 3); $c = new Foo("a", "b", 3);
Output for git.master, git.master_jit, rfc.property-hooks
constr1 called constr2 called Fatal error: Uncaught Exception: invalid number of arguments in /in/fSEc3:12 Stack trace: #0 /in/fSEc3(24): Foo->__construct('a', 'b', 3) #1 {main} thrown in /in/fSEc3 on line 12
Process exited with code 255.

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