{"id":116,"date":"2007-12-12T17:42:14","date_gmt":"2007-12-12T08:42:14","guid":{"rendered":"http:\/\/ke-tai.org\/blog\/2007\/12\/12\/php_session_new\/"},"modified":"2008-04-28T18:49:59","modified_gmt":"2008-04-28T09:49:59","slug":"php_session_new","status":"publish","type":"post","link":"http:\/\/ke-tai.org\/blog\/2007\/12\/12\/php_session_new\/","title":{"rendered":"PHP\u3067\u30b1\u30fc\u30bf\u30a4\u304b\u3089\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u5834\u5408\u306e\u8a2d\u5b9a\u65b9\u6cd5"},"content":{"rendered":"

\u4eca\u56de\u306f\u3001\u30b1\u30fc\u30bf\u30a4\u4e0a\u304b\u3089PHP\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u5834\u5408\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3067\u3059\u3002<\/p>\n

\u30b1\u30fc\u30bf\u30a4\u304b\u3089PHP\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u6a5f\u80fd\u3092\u4f7f\u3046\u5834\u5408\u3001\u7aef\u672b\u306b\u3088\u3063\u3066\u306f\u30af\u30c3\u30ad\u30fc\u304c\u5229\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u305d\u306e\u307e\u307e\u3067\u306f\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u306f\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306econfigure\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3001\u300c–enable-trans-sid\u300d\u3092\u4ed8\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\n\u203bWindows\u306e\u5834\u5408\u306f\u7279\u306b\u8a2d\u5b9a\u306e\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/small><\/p>\n

\u307e\u305f\u3001\u300cphp.ini\u300d\u306e\u8a2d\u5b9a\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002
\n\u203b\u8a2d\u5b9a\u5909\u66f4\u5f8c\u306fWeb\u30b5\u30fc\u30d0\u306e\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u3067\u3059<\/small><\/p>\n

\r\nsession.use_trans_sid = 1<\/pre>\n
\u3082\u3057\u304f\u306f\u300c.htaccess\u300d\u3067\u3082\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u203b.htaccess\u3067\u306e\u8a2d\u5b9a\u4e0a\u66f8\u304d\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306e\u307f<\/small><\/p>\n
\r\nphp_flag session.use_trans_sid On<\/pre>\n
\u8a2d\u5b9a\u5909\u66f4\u306f\u3001phpinfo\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
\"php_session01.gif\"<\/a><\/p>\n
PHP\u306e\u30b3\u30fc\u30c9\u5185\u3067\u3001<\/p>\n
\r\nini_set('session.use_trans_sid', '1');<\/pre>\n
\u3067\u3082\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u306e\u5834\u5408\u306f\u300csession_start();\u300d\u3088\u308a\u524d\u306b\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u8a2d\u5b9a\u304c\u6709\u52b9\u306b\u306a\u308b\u3068\u3001\u30ea\u30f3\u30af\u306e\u5f8c\u308d\u306b\u81ea\u52d5\u3067\u30bb\u30c3\u30b7\u30e7\u30f3ID\u304c\u4ed8\u52a0\u3055\u308c\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u5909\u6570\u304c\u5f15\u304d\u7d99\u3052\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002
\n\u203b\u305f\u3060\u3057\u30af\u30c3\u30ad\u30fc\u304c\u4f7f\u3048\u308b\u7aef\u672b\u3067\u3001\u300csession.use_cookies On\u300d\u306e\u5834\u5408\u306b\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u7ba1\u7406\u306b\u306f\u30af\u30c3\u30ad\u30fc\u304c\u512a\u5148\u3057\u3066\u5229\u7528\u3055\u308c\u3001URL\u306b\u30bb\u30c3\u30b7\u30e7\u30f3ID\u306f\u3064\u304d\u307e\u305b\u3093\u3002<\/small><\/p>\n
\u30bb\u30c3\u30b7\u30e7\u30f3ID\u304c\u4ed8\u52a0\u3055\u308c\u305f\u4f8b\uff1a<\/strong><\/em><\/p>\n
\r\n<a href=\"index.php?PHPSESSID=b37b5e8e31118c45e19a5fb6b70c215a\">\r\n\u30c8\u30c3\u30d7\u3078\r\n<\/a><\/pre>\n
\u30da\u30fc\u30b8\u306e\u79fb\u52d5\u306b\u9759\u7684HTML\u3092\u631f\u3093\u3060\u308a\u3001\u5f15\u6570\u3092\u3064\u3051\u306a\u3044\u3067\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u305f\u308a\u3059\u308b\u3068\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306f\u5207\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
 <\/p>\n
\u203b\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306b\u5bfe\u3059\u308b\u6ce8\u610f\u66f8\u304d\u304c\u8db3\u308a\u306a\u3044\u3068\u306e\u3054\u6307\u6458\u3092\u53d7\u3051\u307e\u3057\u305f\u306e\u3067\u8ffd\u8a18\u3057\u307e\u3057\u305f\u3002\u5931\u793c\u3057\u307e\u3057\u305f\u3002<\/strong><\/small><\/p>\n
\u4e0a\u8a18\u8a2d\u5b9a\u306e\u307e\u307e\u3067\u3059\u3068\u3001URL\u306b\u56fa\u5b9a\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u30ad\u30fc\u304c\u3064\u3044\u305f\u307e\u307e\u306e\u72b6\u614b\u306e\u305f\u3081\u3001\u30ea\u30f3\u30af\u5148\u306e\u30da\u30fc\u30b8\u306bReferer\u304c\u6f0f\u308c\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u53cb\u9054\u3078\u30e1\u30fc\u30eb\u3067URL\u3092\u8ee2\u9001\u3057\u305f\u5834\u5408\u306a\u3069\u306b\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3055\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002
\n\u305d\u3053\u3067\u5b89\u5168\u5ea6\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u3001\u6b21\u306e\u3088\u3046\u306a\u5bfe\u5fdc\u7b56\u3092\u5e73\u884c\u3057\u3066\u884c\u3046\u3068\u826f\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u203b\u518d\u5ea6\u3054\u6307\u6458\u3092\u9802\u304d\u307e\u3057\u305f\u3002i\u30e2\u30fc\u30c9\u306e\u7aef\u672b\u306fReferer\u3092\u51fa\u529b\u3057\u306a\u3044\u306e\u3067\u3001\u305d\u306e\u5834\u5408\u306fReferer\u3092\u539f\u56e0\u3068\u3057\u305f\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306f\u8003\u616e\u3057\u306a\u304f\u3066\u3082\u3088\u3044\u3088\u3046\u3067\u3059\u3002<\/small><\/p>\n
    \n
  1. \u30af\u30c3\u30ad\u30fc\u3092\u5229\u7528\u3067\u304d\u308b\u7aef\u672b\u306e\u5834\u5408\u306f\u3001\u305d\u3061\u3089\u3092\u5229\u7528\u3059\u308b<\/li>\n
  2. \u7aef\u672bID\u306b\u3088\u308b\u8a8d\u8a3c+IP\u30a2\u30c9\u30ec\u30b9\u5236\u9650\u3092\u884c\u3046<\/li>\n
  3. session_regenerate_id\u95a2\u6570\u3092\u5229\u7528\u3059\u308b<\/li>\n<\/ol>\n
    1\u306b\u3064\u3044\u3066\u306f\u3001au\u3068\u30bd\u30d5\u30c8\u30d0\u30f3\u30af\u306e\u6700\u8fd1\u306e\u6a5f\u7a2e\u3067\u306f\u30af\u30c3\u30ad\u30fc\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002
    \n\u30af\u30c3\u30ad\u30fc\u304c\u5229\u7528\u3067\u304d\u308c\u3070\u3001URL\u306b\u30bb\u30c3\u30b7\u30e7\u30f3ID\u3092\u4ed8\u52a0\u3057\u306a\u304f\u3066\u3059\u307f\u307e\u3059\u306e\u3067\u3001URL\u304b\u3089\u306e\u6f0f\u6d29\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
    \n\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u7ba1\u7406\u306b\u30af\u30c3\u30ad\u30fc\u3092\u512a\u5148\u3057\u3066\u5229\u7528\u3059\u308b\u306b\u306f\u3001\u300cphp.ini\u300d\u307e\u305f\u306f\u300c.htaccess\u300d\u3067\u3001\u300csession.use_cookies On\u300d\u3068\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
    2\u306e\u300c\u7aef\u672bID\u306b\u3088\u308b\u8a8d\u8a3c+IP\u30a2\u30c9\u30ec\u30b9\u5236\u9650\u300d\u306b\u3064\u3044\u3066\u306f\u3001\u307e\u305a.htaccess\u306a\u3069\u3067\u3001\u643a\u5e2f\u30ad\u30e3\u30ea\u30a2\u306eIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e\u307f\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u72b6\u614b\u306b\u3057\u307e\u3059\u3002
    \n\u305d\u306e\u72b6\u614b\u3067\u30bb\u30c3\u30b7\u30e7\u30f3\u306b\u7aef\u672bID\u3092\u683c\u7d0d\u3057\u3001\u30a2\u30af\u30bb\u30b9\u306e\u5ea6\u306b\u8a8d\u8a3c\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3046\u3053\u3068\u3067\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u304e\u307e\u3059\u3002
    \nIP\u30a2\u30c9\u30ec\u30b9\u306e\u5236\u9650\u3092\u304b\u3051\u308b\u306e\u306f\u3001Referer\u304c\u6f0f\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u7aef\u672bID\u3082\u540c\u6642\u306b\u6f0f\u308c\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u305f\u3081\u3067\u3059\u3002
    \n\u7aef\u672bID\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u507d\u9020\u3059\u308b\u3053\u3068\u3067\u3001\u306a\u308a\u3059\u307e\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u643a\u5e2f\u5b9f\u6a5f\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u306e\u307f\u3068\u3059\u308b\u3053\u3068\u3067\u5b89\u5168\u5ea6\u3092\u9ad8\u3081\u307e\u3059\u3002<\/p>\n
    3\u306e\u300csession_regenerate_id\u95a2\u6570\u300d\u306f\u3001\u30a2\u30af\u30bb\u30b9\u306e\u5ea6\u306b\u30bb\u30c3\u30b7\u30e7\u30f3ID\u3092\u5909\u66f4\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002
    \nPHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3088\u3063\u3066\u5bfe\u51e6\u6cd5\u304c\u7570\u306a\u308a\u307e\u3059\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
    \u307e\u305aPHP5\u306e\u5834\u5408\u306f\u7c21\u5358\u3067\u3059\u3002<\/p>\n
    PHP5\u3067\u306e\u30bb\u30c3\u30b7\u30e7\u30f3ID\u518d\u751f\u6210\u306e\u30b5\u30f3\u30d7\u30eb<\/strong><\/em><\/p>\n
    session_start();\r\nsession_regenerate_id(true);\r\n<\/code><\/pre>\n
    session_regenerate_id\u306e\u5f15\u6570\u306btrue\u3092\u30bb\u30c3\u30c8\u3059\u308b\u3053\u3068\u3067\u3001\u53e4\u3044\u30bb\u30c3\u30b7\u30e7\u30f3ID\u306f\u7834\u68c4\u3055\u308c\u3001\u6bce\u56de\u65b0\u3057\u3044ID\u304c\u3075\u3089\u308c\u307e\u3059\u3002<\/p>\n
    PHP4\u3067\u306f\u3053\u306e\u5f15\u6570\u304c\u5229\u7528\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u53e4\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u306f\u7834\u68c4\u3055\u308c\u305a\u3001\u540c\u3058\u3053\u3068\u3092\u5b9f\u73fe\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u5c11\u3057\u5927\u5909\u3067\u3059\u3002<\/p>\n
    PHP4\u3067\u306e\u30bb\u30c3\u30b7\u30e7\u30f3ID\u518d\u751f\u6210\u306e\u30b5\u30f3\u30d7\u30eb<\/strong><\/em><\/p>\n
    \/\/ \u30bb\u30c3\u30b7\u30e7\u30f3\u958b\u59cb\r\nsession_start();\r\n\r\n\/\/ \u53e4\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4fdd\u5b58\r\n$sess_tmp = $_SESSION;\r\n\r\n\/\/ \u30bb\u30c3\u30b7\u30e7\u30f3\u5909\u6570\u3092\u7834\u68c4\r\nsession_destroy();\r\n\r\n\/\/ \u30bb\u30c3\u30b7\u30e7\u30f3ID\u3092\u518d\u751f\u6210\r\nsession_start();\r\nsession_regenerate_id();\r\n\r\n\/\/ \u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u5143\u306b\u623b\u3059\r\n$_SESSION = $sess_tmp;\r\n<\/code><\/pre>\n
    \u53c2\u8003\u306b\u3055\u305b\u3066\u9802\u3044\u305f\u306e\u306f\u3053\u3061\u3089<\/a>[php.gr.jp]<\/small>\u306e\u30da\u30fc\u30b8\u3067\u3059\u3002
    \n\u6b20\u70b9\u3068\u3057\u3066\u306f\u3001\u30a2\u30af\u30bb\u30b9\u306e\u5ea6\u306b\u30bb\u30c3\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u308b\u305f\u3081\u3001\u30b4\u30df\u30d5\u30a1\u30a4\u30eb\u304c\u6b8b\u308a\u3084\u3059\u3044\u3068\u3044\u3046\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
    \u30a2\u30af\u30bb\u30b9\u304c\u591a\u3044\u30b5\u30a4\u30c8\u306e\u5834\u5408\u306f\u3001\u30ac\u30fc\u30d9\u30fc\u30b8\u30fb\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a\u3092\u3088\u308a\u983b\u7e41\u306b\u3057\u305f\u308a\u3001\u3053\u3061\u3089<\/a>[phppro.jp]<\/small>\u3084\u3053\u3061\u3089<\/a>[ishinao.net]<\/small>\u306e\u3084\u308a\u65b9\u3092\u53c2\u8003\u306b\u3059\u308b\u3068\u826f\u3044\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002<\/p>\n
    \u306a\u304a\u3001session_regenerate_id\u95a2\u6570\u3092\u4f7f\u3046\u3068\u3001\u6bce\u56de\u30bb\u30c3\u30b7\u30e7\u30f3ID\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u901a\u4fe1\u30a8\u30e9\u30fc\u304c\u8d77\u3053\u3063\u305f\u969b\u306b\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u5207\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002
    \n\u5229\u4fbf\u6027\u3092\u91cd\u8996\u3059\u308b\u304b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u91cd\u8996\u3059\u308b\u304b\u3001\u6271\u3046\u60c5\u5831\u306e\u91cd\u8981\u5ea6\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u308b\u3068\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002
    \n\uff08\u8a73\u3057\u304f\u306f\u30b3\u30e1\u30f3\u30c8\u6b04\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\uff09<\/small><\/p>\n
     <\/p>\n
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