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run code in 300+ PHP versions simultaneously
<?php class A {} class D { protected function test1($class_name) { echo "called\n"; return 'BLAH'; } public function test($class_name) { return new $class_name($this->test1($class_name)); } } $D = new D; var_dump($D->test('A')); var_dump($D->test('D')); var_dump($D->test('C'));

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