Examples of definitions and inheritance usage of php classes

This article mainly introduces the definition and inheritance usage of php classes, and analyzes the basic definition and inheritance usage skills of php classes, for more information about the definitions and inheritance usage of php classes, see the examples in this article. Share it with you for your reference. The details are as follows:

<? Php/** class */class people {public $ name; public $ age; function _ construct ($ namec, $ agec) {$ this-> name = $ namec; $ this-> age = $ agec;} protected function getmessage () {return "name :". $ this-> name."
"." Age: ". $ this-> age;} function _ tostring () {return" name: ". $ this-> name ."
"." Age: ". $ this-> age;} function _ destruct () {echo"
I am dead! ";} Function _ call ($ key, $ args) {echo"
"," The method name you call does not exist: $ key ","
"; Echo" the parameters you call are: ", var_dump ($ args);} final function getf () {echo" I am getf ";}} class xinxin extends people {function getname () {echo $ this-> getmessage (); echo'
'; Echo parent: getmessage (); echo'
'; Return "I am xinxin";} function getmessage () {return "I am zilei getmessage
";}Function getff () {echo" I am new getf ";}}$ pp = new people (" younger brother "," 33 "); // $ pp-> name = "Xiao Ming"; // $ pp-> age = "88"; echo $ pp-> name; echo ''; echo $ pp-> age; echo'

'; $ Xx = new xinxin ("", "13"); echo $ xx-> getname ();?>

I hope this article will help you with php programming.