[Materials] use of _ call in PHP

Use of _ call in PHP

Official documents: http://cn2.php.net/__call

Public mixed _ call (string $ name, array $ arguments)
Public static mixed _ callstatic (string $ name, array $ arguments)
When an inaccessible method (such as undefined or invisible) is called, __call () is called.

When an inaccessible method (such as undefined or invisible) is called in a static method, __callstatic () is called.

The $ name parameter is the name of the method to be called. The $ arguments parameter is an array containing the parameter to be passed to the method $ name.

Demo 1

<? PHP  Class  Personwriter {  Function Writename (person $ P  ){  Print   $ P -> Getname (). "\ n" ;}  Function Writeage (person $ P  ){  Print   $ P -> Getage (). "\ n" ;}}  Class  Person {  Private   $ Writer ;  Function _ Construct (personwriter $ Writer  ){  $ This -> Writer = $ Writer  ;}  Function _ Call ( $ Method , $ ARGs  ){  If ( Method_exists ( $ This -> Writer,$ Method  )){  Return   $ This -> Writer-> $ Method ( $ This  );}}  Function Getname (){ Return "Bob" ;}  Function Getage (){ Return 44 ;}}  $ Person =New Person ( New  Personwriter ());  $ Person -> Writename ();  $ Person -> Writeage (); ?>