Php magic methods

Php magic methods" Name = $ name;} public function getName () {return $ this-> name;} // set the value of public function _ set ($ name, $ value) for attributes) {$ this-> $ name = $ value;} // for attributes, read the value public function _ get ($ name) {if (isset ($ this-> $ name) {return $ this-> $ name;} else {echo 'the initial value has not been set'; }}// method-specific, processing method name and parameter public function _ call ($ name, $ arguments) {var_dump ($ arguments); return $ name ;}// for direct echo class names, call the _ tostring () method public function _ tostring () {return "this is a function tostring" ;}}$ student = new person ('Zhang San '); echo $ student; // this is a function tostring $ student-> age = 'Li si'; echo $ student-> age; // Li Si echo $ student-> getAge ('32 ');"