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<?php class Foo { public function test() { echo $undef; } public function test2() { $x = $this; // use $this echo $undef; } } set_error_handler(function($_1, $_2, $_3, $_4, $ctx) { var_dump(isset($ctx['this'])); }); (new Foo)->test(); (new Foo)->test2();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 4 passed in /in/sQBL9 on line 5 and exactly 5 expected in /in/sQBL9:13 Stack trace: #0 /in/sQBL9(5): {closure}(2, 'Undefined varia...', '/in/sQBL9', 5) #1 /in/sQBL9(16): Foo->test() #2 {main} thrown in /in/sQBL9 on line 13
Process exited with code 255.

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