php 处理cookie的类功能实例

内容摘要
这篇文章主要为大家详细介绍了php 处理cookie的类功能实例，具有一定的参考价值，可以用来参考一下。

对一个用于处理cookie的php类对此感兴趣的朋友，看看idc笔记做的技术笔记！
文章正文

这篇文章主要为大家详细介绍了php 处理cookie的类功能实例，具有一定的参考价值，可以用来参考一下。

对一个用于处理cookie的php类对此感兴趣的朋友，看看idc笔记做的技术笔记！
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<code class="php">
/**
 * 一个用于处理cookie的php类
 *
 * @param
 * @arrange 五一二笔记网： 512Pic.com
 **/
 class cookieClass{
  var $cName = '';
  var $cTime = '';
  var $cSerialize = false; 
  var $cPath = '';
  function cookieClass($cookieName, $cookieTimeout, $cookieSerialize = false, $cookiePath = "/"){
   $this->cName = $cookieName;
   $this->cTime = $cookieTimeout;
   $this->cSerialize = $cookieSerialize;
   $this->cPath = $cookiePath;
   // This should fix the issue if you have cookies set and THEN turn on the serialization.
   $iname = $this->cName . "_S";
   if($this->cSerialize && !isset($_COOKIE[$iname])){
    $cookArr = array();
    foreach($_COOKIE as $name=>$val){
     if(strpos($name,$this->cName) !== false ){ // make sure it is a cookie set by this application
      $subname = substr($name,strlen($this->cName) + 1);
      $cookArr[$subname] = $val;
      $this->KillCookie($name);
     }
    }
    $this->WriteCookie($cookArr);
   }
   // This is the opposite from above. changes a serialized cookie to multiple cookies without loss of data
   if(!$this->cSerialize && isset($_COOKIE[$iname])){
    $cookArr = unserialize($_COOKIE[$iname]);
    $this->KillCookie($iname);
    $this->WriteCookie($cookArr);
   }
  }
  function DestroyAllCookies(){
   foreach($_COOKIE as $name=>$val){
    if(strpos($name,$this->cName) !== false){
     $_COOKIE[$name] = NULL;
     $this->KillCookie($name);
    }
   }
  }
  function ReadCookie($item){
   if($this->cSerialize){
    $name = $this->cName . "_S";
    if(isset($_COOKIE[$name])){
     // handle the cookie as a serialzied variable
     $sCookie = unserialize($_COOKIE[$name]);
     if(isset($sCookie[$item])){
      return $sCookie[$item];
     }else{
      return NULL;
     }
    }else{
     return NULL;
    }
   }else{
    $name = $this->cName . "_" . $item;
    if(isset($_COOKIE[$name])){
     // handle the item as separate cookies
     return $_COOKIE[$name];
    }else{
     return NULL;
    }
   }
  }
  function KillCookie($cName){
   $tStamp = time() - 432000;
   setcookie($cName,"",$tStamp,$this->cPath);
  }
  function WriteCookie($itemArr){
   if($this->cSerialize){    
    $sItems = serialize($itemArr);
    $name = $this->cName . "_S";
    $_COOKIE[$name] = $sItems;
    $tStamp = time() + $this->cTime;
    setcookie($name,$sItems,$tStamp,$this->cPath);
   }else{
    $tStamp = time() + $this->cTime;
    foreach($itemArr as $nam=>$val){
     $name = $this->cName . "_" . $nam;
     $_COOKIE[$name] = $val;
     setcookie($name,$val,$tStamp,$this->cPath);
    }e
   }
  }
 }
/***   来自php教程（www.idcnote.com）   ***/</code>

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代码注释
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