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<?php class First { public function test1() { echo get_called_class(); } public function test2() { print_r(debug_backtrace()); } public function test3() { echo get_class($this); } public function test4() { echo __CLASS__; } public static function test5() { echo get_called_class(); } } class_alias('First', 'Second'); $aliased = new Second(); $aliased->test1(); // First $aliased->test2(); // array( 0 => array( ... [object] => First Object, ... ) ) $aliased->test3(); // First $aliased->test4(); // First Second::test5(); // First

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