Php check if class exists
- Php check if class exists in namespace
- Php check if class exists before use
- Php check if class constant exists
- Php check if class method exists
- Php check if class property exists
- Php check if class function exists
- Php check if class variable exists
- Php check if class attribute exists
- Php check if static class method exists
- Php check if method exists in current class
- Php check if class name exists
- Php check if class member exists
- Php check if instance of class exists
- Php check if method exists in child class