PHP Cookies Operation class (with source code)

/** Cookies class to save, read, update, and erase cookies data. Prefix can be set. Force timeout. The data can be strings, arrays, objects, and so on. * Date:2013-12-22 * Author:fdipzone * ver:1.0 * edit:bbs.it-home.org * Func: * Public Set Cookie * Public Get Read Cookie * Public Update Update Cookie * Public Clear Clear cookies * Public setprefix setting prefix * Public Setexpire Set Expiration time * Private Authcode encryption/decryption * Private Pack to package data * Private Unpack data unpacking * Private GetName Get cookie name, increase 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 Time * @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; } } /** Setting cookies * @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 _expire); } } /** reading Cookies * @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 to update content only, use the Set method if you need to update the expiration time * @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], ' DECODE ', $this->_securekey); $old _cookie_value = $this->unpack ($old _cookie_value); if (Isset ($old _cookie_value[1]) && $old _cookie_vlaue[1]>0) {//Get previous expiration time $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; } /** Clearing Cookies * @param String $name cookie Name */ Public function Clear ($name) { $cookie _name = $this->getname ($name); Setcookie ($cookie _name); } /** setting prefixes * @param String $prefix Cookie Prefix */ Public Function Setprefix ($prefix) { if (is_string ($prefix) && $prefix! = ") { $this->_prefix = $prefix; } } /** Setting the Expiration time * @param int $expire cookie expire */ Public Function Setexpire ($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 * @param int $expire expiration Time to determine * @return */ Private Function Pack ($data, $expire) { if ($data = = =) { Return '; } $cookie _data = Array (); $cookie _data[' value '] = $data; $cookie _data[' expire ') = $expire; Return Json_encode ($cookie _data); } /** Unpack * @param Mixed $data data * @return Array (data, expiration time) */ Private Function Unpack ($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 $operation ENCODE or DECODE * @return String returns plaintext ciphertext based on settings */ Private Function Authcode ($string, $operation = ' DECODE ') { $ckey _length = 4; Random 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 < $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, ten) = = 0 | | substr ($result, 0,)-time () > 0) && substr ($result, ten, +) = = SUBSTR (MD 5 (substr ($result, +). $keyb), 0, 16)) { Return substr ($result, 26); } else { Return '; } } else { Return $KEYC. Str_replace (' = ', ' ', Base64_encode ($result)); } } }//Class end ?> Copy Code 2, demo example demo.php Require ' Cookies.class.php '; $type = isset ($_get[' type ')? Strtolower ($_get[' type '): '; if (!in_array ($type, Array (' Set ', ' Get ', ' Update ', ' Clear '))) { Exit (' type not exists '); } $obj = new Cookie (' member ', 10); Obj Switch ($type) { Case ' Set '://Set $data = Array ( ' Name ' = ' Fdipzone ', ' Gender ' = ' male ' ); $obj->set (' Me ', $data, 5); echo ' Set cookies '; Break Case ' get '://Read $result = $obj->get (' Me '); Echo ' '; Print_r ($result); Echo ' '; echo ' Get cookies '; Break Case ' Update '://Update $data = Array ( ' Name ' = ' Angelababy ', ' Gender ' = ' female ' ); $flag = $obj->update (' Me ', $data); if ($flag) { Echo ' Update cookie success '; }else{ echo ' Update cookie false '; } Break Case ' clear '://clear $obj->clear (' Me '); echo ' Clear cookies '; Break } ?> Copy Code Attached, the source code download address of the PHP cookie operation class

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