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<?php class Foo { function bar() { extract(array('this is a variable with spaces lol' => 'test')); var_dump(get_defined_vars()); } } $f = new Foo; $f->bar();
Output for 5.0.0 - 7.1.0
array(0) { }
Output for 4.3.0 - 4.4.9
array(1) { ["this"]=> &object(foo)(0) { } }