PHP Cookies Operation class

Cookies Operation class

Function:

1. Save, read, update, and erase cookies data.

2. You can set a prefix.

3. Force timeout control.

4.cookies data can be strings, arrays, objects, and so on.

Cookies.class.php

<?php/** Cookies class to save, read, update, and erase cookies data. Prefix can be set. Force timeout. 
Data can be strings, arrays, objects, and so on.   * date:2013-12-22 * Author:fdipzone * ver:1.0 * * * FUNC: * Public Set cookies * public    Get read cookie * Public Update update cookies * Public Clear Erase Cookie * Public Setprefix set Prefix *  
Public Setexpire Set Expiration * Private Authcode encryption/decryption * Private Pack to package the data * Private unpack unpack the data * Private GetName Get cookie name, add prefix processing * * Class cookies{//class start Private $_prefix                                                  = '';   Cookie prefix private $_securekey = ' Ekot4_ut0f3xe-fjcpbvrfrg506jpcujeixezgpnyalm ';                                                Encrypt key Private $_expire = 3600;     Default expire/** initialization * @param String $prefix cookie prefix * @param int $expire Expiration * @param String $securekey Cookie Secure Key * *
    Public function __construct ($prefix = ', $expire =0, $securekey = ') {if (is_string ($prefix) &&  
        $prefix!= ') {$this->_prefix = $prefix;  
        } if (Is_numeric ($expire) && $expire >0) {$this->_expire = $expire;  
        } if (Is_string ($securekey) && $securekey!= ') {$this->_securekey = $securekey; /** Set Cookie * @param String $name Cookie name * @param mixed $ Value cookie value can be a string, array, object, etc * @param int $expire Expiration Time/Public function set ($name, $value, $expire  
        =0) {$cookie _name = $this->getname ($name);  
        $cookie _expire = time () + ($expire $expire: $this->_expire);  
        $cookie _value = $this->pack ($value, $cookie _expire);  
      
        $cookie _value = $this->authcode ($cookie _value, ' ENCODE ', $this->_securekey); if ($cookiE_name && $cookie _value && $cookie _expire) {Setcookie ($cookie _name, $cookie _value, $cookie _e  
        Xpire);          /** Read Cookie * @param String $name Cookie name * @return Mixed  
      
        Cookie value */Public function get ($name) {$cookie _name = $this->getname ($name); if (Isset ($_cookie[$cookie _name])) {$cookie _value = $this->authcode ($_cookie[$cookie _name],  
            ' DECODE ', $this->_securekey);  
      
            $cookie _value = $this->unpack ($cookie _value); return Isset ($cookie _value[0])?  
      
        $cookie _value[0]: null;  
        }else{return null;  /** update cookies, update only content, if you need to update expiration time use the Set method * @param String $name Cookie Name *  
      
        @param mixed $value Cookie Value * @return Boolean/Public Function update ($name, $value) { $cookie _name = $this->getname ($name); if (Isset ($_cookie[$cookie _name])) {$old _cookie_value = $this->authcode ($_cookie[$cookie _name], ' DE  
            CODE ', $this->_securekey);  
      
            $old _cookie_value = $this->unpack ($old _cookie_value);  if (Isset ($old _cookie_value[1]) && $old _cookie_vlaue[1]>0) {//Get the expiration time before $cookie _expire  
      
                = $old _cookie_value[1];  
                Update data $cookie _value = $this->pack ($value, $cookie _expire);  
      
                $cookie _value = $this->authcode ($cookie _value, ' ENCODE ', $this->_securekey); if ($cookie _name && $cookie _value && $cookie _expire) {Setcookie ($cookie _name, $cookie  
                    _value, $cookie _expire);  
                return true;  
      
    }} return false; 
    /** Clear Cookies* @param String $name Cookie name */Public Function Clear ($name) {$cookie _name = $this->g  
        Etname ($name);  
      
    Setcookie ($cookie _name);  
      
        /** Set prefix * @param String $prefix cookie prefix/Public function Setprefix ($prefix) {  
        if (is_string ($prefix) && $prefix!= ') {$this->_prefix = $prefix; /** Set expiration * @param int $expire Cookie Expire * * Public function Setexp   
        IRE ($expire) {if (Is_numeric ($expire) && $expire >0) {$this->_expire = $expire; /** Get Cookie Name * @param string $name * @return String * /Private Function GetName ($name) {return $this->_prefix? $this->_prefix. '  
    _ '. $name: $name; /** Pack * @param Mixed $data data to see more highlights of this column: http://www.bianceng.cnhttp://www.bianceng.cn/webkf/php/* @param int $expire Expiration Time to judge * @return/private  
        function Pack ($data, $expire) {if ($data = = = ') {return ';  
        } $cookie _data = Array ();  
        $cookie _data[' value '] = $data;  
        $cookie _data[' expire '] = $expire;  
      
    Return Json_encode ($cookie _data); /** Unpack * @param Mixed $data data * @return Array (data, expiration)/PRI  
        vate function Unpack ($data) {if ($data = = ') {return array (', 0);  
      
        $cookie _data = Json_decode ($data, true); if (isset ($cookie _data[' value ']) && isset ($cookie _data[' expire ')) {if (Time () < $cookie _data[  
            ' expire '] {//Not expired return array ($cookie _data[' value '], $cookie _data[' expire ')); } return Array (' ", 0);  /** Encrypt/Decrypt data * @param string $str original text or ciphertext * @param string $operation ENCODE or DECODE *  
      
        @return String returns plaintext by setting/Private function Authcode ($string, $operation = ' DECODE ') {   $ckey _length = 4;  
      
        With the secret key length value 0-32;  
      
        $key = $this->_securekey;  
        $key = MD5 ($key);  
        $keya = MD5 (substr ($key, 0, 16));  
        $KEYB = MD5 (substr ($key, 16, 16)); $KEYC = $ckey _length?  
      
        ($operation = = ' DECODE ' substr ($string, 0, $ckey _length): substr (MD5 (Microtime ()),-$ckey _length)): ";  
        $cryptkey = $keya. MD5 ($keya. $KEYC);  
      
        $key _length = strlen ($cryptkey); $string = $operation = = ' DECODE '?  
        Base64_decode (substr ($string, $ckey _length)): sprintf ('%010d ', 0). substr (MD5 ($string. $keyb), 0). $string;  
      
        $string _length = strlen ($string);  
        $result = ';  
      
        $box = Range (0, 255); $rNdkey = Array ();  
        for ($i = 0; $i <= 255 $i + +) {$rndkey [$i] = Ord ($cryptkey [$i% $key _length]);  
            for ($j = $i = 0; $i < 256 $i + +) {$j = ($j + $box [$i] + $rndkey [$i])% 256;  
            $tmp = $box [$i];  
            $box [$i] = $box [$j];  
        $box [$j] = $tmp;  
            for ($a = $j = $i = 0; $i < $string _length $i + +) {$a = ($a + 1)% 256;  
            $j = ($j + $box [$a])% 256;  
            $tmp = $box [$a];  
            $box [$a] = $box [$j];  
            $box [$j] = $tmp;  
        $result. = Chr (ord ($string [$i]) ^ ($box [($box [$a] + $box [$j])% 256]); } if ($operation = = ' DECODE ') {if (substr ($result, 0,) = 0 | | | substr ($result, 0, 10)- Time () > 0) && substr ($result) = = substr (MD5 (substr ($result,). $keyb), 0) {RE  
            Turn substr ($result, 26);  
         } else {       Return ";  
        } else {return $KEYC. Str_replace (' = ', ', Base64_encode ($result)); }}//class end?>