{"id":4099,"date":"2020-12-23T21:59:36","date_gmt":"2020-12-23T12:59:36","guid":{"rendered":"https:\/\/okamurax.com\/?p=4099"},"modified":"2020-12-23T21:59:36","modified_gmt":"2020-12-23T12:59:36","slug":"php-session-%e3%83%a1%e3%83%a2","status":"publish","type":"post","link":"https:\/\/appbay.org\/?p=4099","title":{"rendered":"PHP session \u30e1\u30e2"},"content":{"rendered":"<p>\u30bb\u30c3\u30b7\u30e7\u30f3\u306f\u30af\u30c3\u30ad\u30fc\u3068\u9055\u3044\u30b5\u30fc\u30d0\u30fc\u3067\u5024\u3092\u7ba1\u7406\u3057\u3001\u8b58\u5225\u7528\u306ePHPSESSID\u306e\u307f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u6e21\u3059\u3002<\/p>\n<p>\uff0a\uff0a\uff0a<\/p>\n<p>\u30fb\u30c7\u30fc\u30bf\u304c\u3042\u308b\u5834\u6240<\/p>\n<p>(1)\u30d5\u30a1\u30a4\u30eb(\/var\/lib\/php\/session)<\/p>\n<p>session.gc_maxlifetime\u3092\u904e\u304e\u305f\u3042\u3068\u3001PHP\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u3042\u3063\u305f\u5834\u5408\u3001<br \/>\n(session.gc_probability \/ session.gc_divisor)\u306e\u78ba\u7387\u3067GC\u304c\u524a\u9664\u3002<\/p>\n<p>\u5171\u6709\u3057\u3066\u3044\u308b\u305f\u3081\u9055\u3046\u30a2\u30d7\u30ea\u3067GC\u304c\u52d5\u304f\u3053\u3068\u3082\u3042\u308b\u3002<br \/>\n\u5fc5\u8981\u306a\u3089\u3001session.save_path\u304b\u3089\u500b\u5225\u306b\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n<p>(2)\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570($_SESSION)<\/p>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8\u7d42\u4e86\u6642\u3001\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3055\u308c\u308b\u3002<\/p>\n<p>(3)\u30d6\u30e9\u30a6\u30b6\u30af\u30c3\u30ad\u30fc(PHPSESSID)<\/p>\n<p>\u30d6\u30e9\u30a6\u30b6\u9589\u3058\u308b\u307e\u3067\u4fdd\u5b58\u3055\u308c\u308b\u3002<\/p>\n<p>\u30fbsession_start()<\/p>\n<p>session_start()\u3059\u308b\u3068\u3001<br \/>\n(3)\u304c\u306a\u3051\u308c\u3070\u5272\u308a\u5f53\u3066\u308b\u3002\u65e2\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u518d\u958b\u3059\u308b\u3002<br \/>\n(1)\u306e\u30c7\u30fc\u30bf\u3092(2)\u306b\u683c\u7d0d\u3002<\/p>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001<br \/>\n(2)\u306e\u30c7\u30fc\u30bf\u3092(1)\u306b\u683c\u7d0d<\/p>\n<p>(1)\u306f\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u7d42\u4e86\u3055\u308c\u308b\u307e\u3067\u30ed\u30c3\u30af\u3055\u308c\u308b\u3002<br \/>\n\u5fc5\u8981\u306a\u3089\u3001session_write_close()<\/p>\n<p>\u30fb\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570<\/p>\n<p>session_start()\u3057\u306a\u304f\u3066\u3082(2)\u3092\u5909\u6570\u3068\u3057\u3066\u306f\u4f7f\u3048\u308b\u304c\u3001(1)\u306b\u306f\u4fdd\u5b58\u3055\u308c\u306a\u3044\u3002<\/p>\n<p>test1php<\/p>\n<pre class=\"lang:php decode:true\">&lt;?php\r\n\r\n\/\/session_start();\r\n\r\nini_set(\"display_errors\", \"on\");\r\nini_set(\"error_reporting\", E_ALL);\r\n\r\n$_SESSION[\"test\"] = \"hello\";\r\n\r\n?&gt;\r\n\r\n&lt;a href=\"test2.php\"&gt;test2&lt;\/a&gt;<\/pre>\n<p>test2.php<\/p>\n<pre class=\"lang:php decode:true\">&lt;?php\r\n\r\n\/\/session_start();\r\n\r\nini_set(\"display_errors\", \"on\");\r\nini_set(\"error_reporting\", E_ALL);\r\n\r\n$_SESSION[\"test\"] = \"hello2\";\r\necho $_SESSION[\"test\"];<\/pre>\n<p>\u30a8\u30e9\u30fc\u306b\u306f\u306a\u3089\u306a\u3044\u3002\u3053\u306e\u5834\u5408session_start()<br \/>\n\u3057\u3066\u3082\u7d50\u679c\u306f\u540c\u3058\u306a\u306e\u3067\u5206\u304b\u308a\u3065\u3089\u3044\u3002<\/p>\n<p>test2.php<\/p>\n<pre class=\"lang:php decode:true \">&lt;?php\r\n\r\n\/\/session_start();\r\n\r\nini_set(\"display_errors\", \"on\");\r\nini_set(\"error_reporting\", E_ALL);\r\n\r\necho $_SESSION[\"test\"];<\/pre>\n<p>\u3053\u306e\u5834\u5408Notice\u304c\u3067\u308b\u3002<\/p>\n<p>\u30fb\u30c7\u30fc\u30bf\u7834\u68c4<\/p>\n<p>$_SESSION = array();<br \/>\n(2)\u3092\u524a\u9664<\/p>\n<p>session_destroy()\u306b\u3066<br \/>\n(1)\u3092\u524a\u9664\u3002(session_start()\u3057\u3066\u3044\u306a\u3044\u3068\u524a\u9664\u3067\u304d\u306a\u3044)<\/p>\n<p>\u30fbsession_regenerate_id()<\/p>\n<p>(1)\u306e\u53e4\u3044\u30d5\u30a1\u30a4\u30eb\u306f\u6b8b\u3057\u305f\u307e\u307e\u3001\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002<br \/>\n(2)\u305d\u306e\u307e\u307e\u4f7f\u3048\u308b\u3002<br \/>\n(3)\u306f\u65b0\u3057\u304f\u306a\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30bb\u30c3\u30b7\u30e7\u30f3\u306f\u30af\u30c3\u30ad\u30fc\u3068\u9055\u3044\u30b5\u30fc\u30d0\u30fc\u3067\u5024\u3092\u7ba1\u7406\u3057\u3001\u8b58\u5225\u7528\u306ePHPSESSID\u306e\u307f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u6e21\u3059\u3002 \uff0a\uff0a\uff0a \u30fb\u30c7\u30fc\u30bf\u304c\u3042\u308b\u5834\u6240 (1)\u30d5\u30a1\u30a4\u30eb(\/var\/lib\/php\/session) session.gc_maxli &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/appbay.org\/?p=4099\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;PHP session \u30e1\u30e2&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3],"class_list":["post-4099","post","type-post","status-publish","format-standard","hentry","category-1","tag-php"],"_links":{"self":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/4099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4099"}],"version-history":[{"count":2,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/4099\/revisions"}],"predecessor-version":[{"id":4101,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/4099\/revisions\/4101"}],"wp:attachment":[{"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}