ReflectionClass::isSubclassOf
(PHP 5)
ReflectionClass::isSubclassOf — Checks if a subclass
Description
   public bool ReflectionClass::isSubclassOf
    ( string $class
   )
  Checks if the class is a subclass of a specified class.
Parameters
- class
- 
      The class name being checked against. 
Return Values
Returns TRUE on success or FALSE on failure.
See Also
- ReflectionClass::isInterface() - Checks if interface
- is_subclass_of() - Checks if the object has this class as one of its parents
- get_parent_class() - Retrieves the parent class name for object or class