全局对象_php教程

php代码

<?php
function A($class){
	if(isset($GLOBALS[$class])){
		if(is_object($GLOBALS[$class])){
			return $GLOBALS[$class];
		}
	}
	return $GLOBALS[$class] = new $class();
}

class MyClass{
	public function getStr(){
		return "hh";
	}
	public function getStr1(){
		return "cc";
	}
	public function getJson(){
		return json_encode(array("name"=>"你好"));
	}
	public function getAll(){
		$str1 = A("MyClass")->getStr();
		$str2 = A("MyClass")->getStr1();
		$json = A("MyClass")->getJson();
		return $str1.$str2." ".$json;
	}
}
echo A("MyClass")->getAll();