php - Constant holding $this class name -

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Is the current sub class name constant in PHP? So that I will write a function: 

  namespace testing \ that; Classes Mycleus class A {} abstract class class A {public static function getClassName () {back __THIS_CLASS__; // like get_class ($ this); In any static method}}   
 In the end I will do something like this:  
  namespace testing; Test that \ MyClass; Var_dump (MyClass :: getClassName ()); // -> Is this also possible?   
 
 
 You are probably watching; It gives the name of the class that is called in the static method.  
  public static function getClassName () {return_called_class (); } MyClass :: getClassName (); // "MyClass"

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