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<?php class BaseClass { } class MyClass extends BaseClass{ } $object = new MyClass(); echo is_subclass_of('BaseClass', 'BaseClass')? 'Yes<br />':'No<br />'; echo is_subclass_of('MyClass', 'BaseClass')? 'Yes<br />':'No<br />'; echo is_subclass_of('myclass', 'baseclass')? 'Yes<br />':'No<br />'; echo is_subclass_of('myClass', 'baseclass', false)? 'Yes<br />':'No<br />'; echo is_subclass_of($object, 'baseclass', false)? 'Yes<br />':'No<br />'; echo is_subclass_of($object, 'BaseClass')? 'Yes<br />':'No<br />';
Output for 5.3.9 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 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 - 8.3.7
No<br />Yes<br />Yes<br />No<br />Yes<br />Yes<br />
Output for 5.3.0 - 5.3.8
No<br />Yes<br />Yes<br /> Warning: is_subclass_of() expects exactly 2 parameters, 3 given in /in/agQVL on line 11 No<br /> Warning: is_subclass_of() expects exactly 2 parameters, 3 given in /in/agQVL on line 12 No<br />Yes<br />
Output for 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
No<br />Yes<br />Yes<br /> Warning: Wrong parameter count for is_subclass_of() in /in/agQVL on line 11 No<br /> Warning: Wrong parameter count for is_subclass_of() in /in/agQVL on line 12 No<br />Yes<br />
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.2
No<br />No<br />No<br /> Warning: Wrong parameter count for is_subclass_of() in /in/agQVL on line 11 No<br /> Warning: Wrong parameter count for is_subclass_of() in /in/agQVL on line 12 No<br />Yes<br />
preferences:
240.22 ms | 402 KiB | 347 Q