一个用于处理cookie的php类

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7. // cookieClass
8. // Copyright (C) 2005 JRSofty Programming.
9. // http://jrsofty1.stinkbugonline.com
10. // Licensed under GNU/GPL
12. class cookieClass{
14. var $cName = '';
15. var $cTime = '';
16. var $cSerialize = false;
17. var $cPath = '';
19. function cookieClass($cookieName, $cookieTimeout, $cookieSerialize = false, $cookiePath = "/"){
20. $this->cName = $cookieName;
21. $this->cTime = $cookieTimeout;
22. $this->cSerialize = $cookieSerialize;
23. $this->cPath = $cookiePath;
24. // This should fix the issue if you have cookies set and THEN turn on the serialization.
25. $iname = $this->cName . "_S";
26. if($this->cSerialize && !isset($_COOKIE[$iname])){
27. $cookArr = array();
28. foreach($_COOKIE as $name=>$val){
29. if(strpos($name,$this->cName) !== false ){ // make sure it is a cookie set by this application
30. $subname = substr($name,strlen($this->cName) + 1);
31. $cookArr[$subname] = $val;
32. $this->KillCookie($name);
33. }
34. }
35. $this->WriteCookie($cookArr);
36. }
37. // This is the opposite from above. changes a serialized cookie to multiple cookies without loss of data
38. if(!$this->cSerialize && isset($_COOKIE[$iname])){
39. $cookArr = unserialize($_COOKIE[$iname]);
40. $this->KillCookie($iname);
41. $this->WriteCookie($cookArr);
42. }
45. }
47. function DestroyAllCookies(){
48. foreach($_COOKIE as $name=>$val){
49. if(strpos($name,$this->cName) !== false){
50. $_COOKIE[$name] = NULL;
51. $this->KillCookie($name);
52. }
53. }
54. }
56. function ReadCookie($item){
57. if($this->cSerialize){
58. $name = $this->cName . "_S";
59. if(isset($_COOKIE[$name])){
60. // handle the cookie as a serialzied variable
61. $sCookie = unserialize($_COOKIE[$name]);
62. if(isset($sCookie[$item])){
63. return $sCookie[$item];
64. }else{
65. return NULL;
66. }
67. }else{
68. return NULL;
69. }
70. }else{
71. $name = $this->cName . "_" . $item;
72. if(isset($_COOKIE[$name])){
73. // handle the item as separate cookies
74. return $_COOKIE[$name];
75. }else{
76. return NULL;
77. }
78. }
79. }
81. function KillCookie($cName){
82. $tStamp = time() - 432000;
83. setcookie($cName,"",$tStamp,$this->cPath);
84. }
86. function WriteCookie($itemArr){
87. if($this->cSerialize){
88. $sItems = serialize($itemArr);
89. $name = $this->cName . "_S";
90. $_COOKIE[$name] = $sItems;
91. $tStamp = time() + $this->cTime;
92. setcookie($name,$sItems,$tStamp,$this->cPath);
93. }else{
94. $tStamp = time() + $this->cTime;
95. foreach($itemArr as $nam=>$val){
96. $name = $this->cName . "_" . $nam;
97. $_COOKIE[$name] = $val;
98. setcookie($name,$val,$tStamp,$this->cPath);
99. }e
100. }
101. }
104. }
105. ?>

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cookie, php