<?php
class classUtil {//這是一個(gè)參數(shù)處理的類
public static function typeof($var){
if (is_object($var)) return get_class($var);//如果是對(duì)象，獲取類名
if (is_array($var)) return "array";//如果是數(shù)組，返回"array"
if (is_numeric($var)) return "numeric";//如果是數(shù)字，返回"numeric"
return "string";//字符串返回 "string"
}
public static function typelist($args){
return array_map(array("self","typeof"),$args);//數(shù)組循環(huán)通過(guò)調(diào)用self::typeof處理$args中的每個(gè)元素
}
public static function callMethodForArgs($object,$args,$name="construct"){
$method=$name."_".implode("_",self::typelist($args));//implode 是把數(shù)組元素用"_"連接成一個(gè)字符串
if (!is_callable(array($object,$method))){//is_callable()函數(shù)測(cè)試$object::$method是不是可調(diào)用的結(jié)構(gòu)
echo sprintf("Class %s has no methd '$name' that takes".
"arguments (%s)",get_class($object),implode(",",self::typelist($args)));
call_user_func_array(array($object,$method),$args);//call_user_func_array函數(shù)調(diào)用$object::$method（$args）
}
}
}
class dateAndTime {
private $timetamp;
public function __construct(){//自身的構(gòu)造函數(shù)
$args=func_get_args();//獲取參數(shù)
classUtil::callMethodForArgs($this,$args);//調(diào)用參數(shù)處理類的方法
}
public function construct_(){//參數(shù)為空的時(shí)候
$this->timetamp=time();
}
public function construct_dateAndTime($datetime){//為類自身的時(shí)候
$this->timetamp=$datetime->getTimetamp();
}
public function construct_number($timestamp){//為數(shù)字的時(shí)候
$this->timetamp=$timestamp;
}
public function construct_string($string){//為時(shí)間型字符串時(shí)候
$this->timetamp=strtotime($string);
}
public function getTimetamp(){//獲取時(shí)間戳的方法
return $this->timetamp;
}
}
?>