PHP gets the current class name, method name
__class__ gets the current class name
__function__ Current function name (confirm)
__method__ Current method Name (bankcard::confirm)
__function__ function name (PHP 4.3.0 new addition). From PHP 5 This constant returns the name (case-sensitive) when the function is defined. In PHP 4, this value is always in lowercase letters.
The name of the __class__ class (PHP 4.3.0 new addition). From PHP 5 This constant returns the name of the class when it is defined (case-sensitive). In PHP 4, this value is always in lowercase letters.
The method name of the __method__ class (PHP 5.0.0 new addition). Returns the name of the method when it is defined (case-sensitive).
Note: These constants are preceded by a two underscore.
Get_class (class name);//Gets the name of the class that contains the current statement
Get_class_methods (class name);//Get all the method names of class name classes and make up an array
Get_class_vars (class name);//Get all the variable names of class name classes and form an array
Php_ get the method/property of a class