PHP_Magic_Function_Call.php

<?php
function pre_print_r($var){
  echo "<pre>";
  print_r($var);
  echo "</pre>";
}
 
class Obj1 {
public function __call($method,$arg){
        return $this; }}
 

class Obj2 { 
    public function __call($method,$arg){
        $this->$method = $arg[0];
        return $this; }}


$obj1 = new Obj1;
$obj1->name = "panfeng";
$obj1->age(23)
    ->sex("male")
    ->github_account("panfeng")
    ->twitter_account("NULL");
pre_print_r($obj1);


$obj2 = new Obj2;
 
//为什么赋值的方法也可以用
$obj2->name = "panfeng";
$obj2->age(23)
    ->sex("male")
    ->github_account("panfeng")
    ->twitter_account("NULL");
pre_print_r($obj2);

/*
 * 输出为
Obj1 Object
(
    [name] => panfeng
)
Obj2 Object
(
    [name] => panfeng
    [age] => 23
    [sex] => male
    [github_account] => panfeng
    [twitter_account] => NULL
)
 
 
 */