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<?php class MyClass { public function test() {echo __METHOD__ . "\n";} public static function testStatic() {echo __METHOD__ . "\n";} } class MyClass2 extends MyClass { public function test() {echo __METHOD__ . "\n"; call_user_func('parent::test'); } public static function testStatic() {echo __METHOD__ . "\n"; call_user_func('parent::testStatic'); call_user_func('static::testLate');} } class MyClass3 extends MyClass2 { public static function testLate() {echo __METHOD__ . "\n";} } echo "call object method:\n"; $o = new MyClass3(); $o->test(); $o->testStatic(); echo "call static method:\n"; MyClass3::testStatic();
based on Cv2oc
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
call object method: MyClass2::test MyClass::test MyClass2::testStatic MyClass::testStatic MyClass3::testLate call static method: MyClass2::testStatic MyClass::testStatic MyClass3::testLate
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.2 - 5.2.17
call object method: MyClass2::test Warning: call_user_func(parent::test): First argument is expected to be a valid callback in /in/EBSib on line 9 MyClass2::testStatic Fatal error: Cannot call method parent::testStatic() or method does not exist in /in/EBSib on line 10
Process exited with code 255.
Output for 5.1.2 - 5.2.1
call object method: MyClass2::test Warning: call_user_func(parent::test): First argument is expected to be a valid callback in /in/EBSib on line 9 MyClass2::testStatic Warning: call_user_func(parent::testStatic): Unable to call parent::testStatic() in /in/EBSib on line 10 Warning: call_user_func(static::testLate): First argument is expected to be a valid callback in /in/EBSib on line 10 call static method: MyClass2::testStatic Warning: call_user_func(parent::testStatic): Unable to call parent::testStatic() in /in/EBSib on line 10 Warning: call_user_func(static::testLate): First argument is expected to be a valid callback in /in/EBSib on line 10
Output for 5.0.0 - 5.1.1
call object method: MyClass2::test Warning: call_user_func(parent::test): First argument is expected to be a valid callback in /in/EBSib on line 9 MyClass2::testStatic Warning: call_user_func(parent::testStatic): First argument is expected to be a valid callback in /in/EBSib on line 10 Warning: call_user_func(static::testLate): First argument is expected to be a valid callback in /in/EBSib on line 10 call static method: MyClass2::testStatic Warning: call_user_func(parent::testStatic): First argument is expected to be a valid callback in /in/EBSib on line 10 Warning: call_user_func(static::testLate): First argument is expected to be a valid callback in /in/EBSib on line 10
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/EBSib on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/EBSib on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/EBSib on line 4
Process exited with code 255.