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<?php class ParentClass { public function test(stdClass $thing) { print($thing); } } class ChildClass extends ParentClass { public function test($thing = null) { print($thing); } } $child = new ChildClass(); $child->test(new stdClass());
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Object of class stdClass could not be converted to string in /in/uNOLP:15 Stack trace: #0 /in/uNOLP(20): ChildClass->test(Object(stdClass)) #1 {main} thrown in /in/uNOLP on line 15
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Recoverable fatal error: Object of class stdClass could not be converted to string in /in/uNOLP on line 15
Process exited with code 255.
Output for 7.1.0 - 7.1.33
Warning: Declaration of ChildClass::test($thing = NULL) should be compatible with ParentClass::test(stdClass $thing) in /in/uNOLP on line 17 Recoverable fatal error: Object of class stdClass could not be converted to string in /in/uNOLP on line 15
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Warning: Declaration of ChildClass::test($thing = NULL) should be compatible with ParentClass::test(stdClass $thing) in /in/uNOLP on line 17 Catchable fatal error: Object of class stdClass could not be converted to string in /in/uNOLP on line 15
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Strict Standards: Declaration of ChildClass::test() should be compatible with ParentClass::test(stdClass $thing) in /in/uNOLP on line 17 Catchable fatal error: Object of class stdClass could not be converted to string in /in/uNOLP on line 15
Process exited with code 255.
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