{"id":34457,"date":"2022-12-26T13:52:03","date_gmt":"2023-07-14T19:57:23","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8memcached%e6%9d%a5%e7%ae%a1%e7%90%86php%e4%bc%9a%e8%af%9d%e7%9a%84%e4%ba%8b%e9%a1%b9%e3%80%82\/"},"modified":"2024-04-29T07:03:31","modified_gmt":"2024-04-28T23:03:31","slug":"%e4%bd%bf%e7%94%a8memcached%e6%9d%a5%e7%ae%a1%e7%90%86php%e4%bc%9a%e8%af%9d%e7%9a%84%e4%ba%8b%e9%a1%b9%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8memcached%e6%9d%a5%e7%ae%a1%e7%90%86php%e4%bc%9a%e8%af%9d%e7%9a%84%e4%ba%8b%e9%a1%b9%e3%80%82\/","title":{"rendered":"\u4f7f\u7528memcached\u6765\u7ba1\u7406PHP\u4f1a\u8bdd\u7684\u4e8b\u9879"},"content":{"rendered":"<p>\u4e0e\u9ed8\u8ba4\u7684\u6587\u4ef6\u57fa\u7840\u7684\u4f1a\u8bdd\u7ba1\u7406\u76f8\u6bd4\uff0c<br \/>\n\u5b83\u53ef\u4ee5\u5728\u591a\u4e2aWEB\u670d\u52a1\u5668\u4e4b\u95f4\u5171\u4eab\u4f1a\u8bdd\uff0c\u867d\u7136\u73b0\u5728\u53ef\u80fd\u6709\u70b9\u665a\u4e86\uff0c<br \/>\n\u4f46\u662f\u6211\u89c9\u5f97\u8fd9\u6837\u53ef\u4ee5\u8ba9\u6211\u66f4\u5e78\u798f\uff0c\u6240\u4ee5\u6211\u60f3\u8bd5\u8bd5\u770b\u3002<br \/>\n\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u6211\u4f7f\u7528\u7684\u662fNginx+FastCGI\u73af\u5883\u3002<\/p>\n<h1>\u5f15\u5bfc<\/h1>\n<h2>\u5b89\u88c5<\/h2>\n<p>\u5047\u8bbe\u5df2\u7ecf\u5b89\u88c5\u4e86PHP\u3002<br \/>\n\u6211\u4eec\u5c06\u4f7f\u7528memcached\u4f5c\u4e3aPHP\u7684\u6a21\u5757\u3002\u867d\u7136\u4e5f\u6709\u4e00\u4e2a\u53eb\u505amemcache\uff08\u975e\u5e38\u76f8\u4f3c\uff09\u7684\u4e1c\u897f\uff0c\u4f46\u6839\u636e\u5fd7\u613f\u8005\u7684\u6bd4\u8f83\uff0c\u76ee\u524d\u8fd9\u4e2a\u66f4\u5feb\u3002\u7531\u4e8e\u6b63\u5728\u8fdb\u884c\u5f00\u53d1\u7ade\u8d5b\uff0c\u6240\u4ee5\u4e0d\u80fd\u786e\u5b9a\u672a\u6765\u4f1a\u600e\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># yum install memcached php-pecl-memcached<\/span>\r\n<\/code><\/pre>\n<h2>\u542f\u52a8<\/h2>\n<pre class=\"post-pre\"><code><span class=\"c\"># chkconfig memcached on<\/span>\r\n<span class=\"c\"># service memcached start<\/span>\r\n<\/code><\/pre>\n<h2>\u66f4\u6539PHP\u914d\u7f6e<\/h2>\n<p>\u5982\u679c\u4f60\u60f3\u8981\u5728\u811a\u672c\u4e2d\u8fdb\u884c\u66f4\u6539\uff0c\u53ef\u4ee5\u8df3\u8fc7\u8fd9\u4e00\u6b65\u9aa4\u3002<br \/>\n\u901a\u8fc7\u66f4\u6539\u914d\u7f6e\u6587\u4ef6\uff0c\u53ef\u4ee5\u907f\u514d\u5bf9\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u4fee\u6539\uff0c\u5e76\u4e14\u5176\u4ed6\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u65e0\u9700\u5173\u6ce8\u5730\u4f7f\u7528memcached\u3002\uff08\u867d\u7136\u5728\u5207\u6362\u65f6\u53ef\u80fd\u4f1a\u4e22\u5931\u4e00\u6b21\u4f1a\u8bdd\uff09<\/p>\n<p>\u5c06\u4fdd\u5b58\u4f1a\u8bdd\u5230\u6587\u4ef6\u7684\u914d\u7f6e\u6ce8\u91ca\u6389\uff0c\u5e76\u6dfb\u52a0\u4f7f\u7528memcached\u7684\u914d\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># vi \/etc\/php.ini<\/span>\r\n<span class=\"p\">;<\/span> session.save_handler <span class=\"o\">=<\/span> files \/\/ \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\r\n<span class=\"p\">;<\/span> session.save_path <span class=\"o\">=<\/span> <span class=\"s2\">\"\/var\/lib\/php\/session\"<\/span> \/\/ \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\r\n\r\n<span class=\"c\"># vi \/etc\/php.d\/memcached.ini<\/span>\r\nsession.save_handler <span class=\"o\">=<\/span> memcached \/\/ \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3092\u306f\u305a\u3059\r\nsession.save_path <span class=\"o\">=<\/span> <span class=\"s2\">\"localhost:11211\"<\/span> \/\/ \u8ffd\u8a18\r\n<\/code><\/pre>\n<p>\u5982\u679c\u589e\u52a0\u4e86WEB\u670d\u52a1\u5668\uff0c\u5219\u9700\u8981\u7528\u9017\u53f7\u5206\u9694\u8fdb\u884c\u8ffd\u52a0\uff1a<br \/>\nsession.save_path = &#8220;localhost:11211,otherserver.com:11211&#8243;\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u6211\u7684\u73af\u5883\u662f\u4f7f\u7528php-fpm\uff0c\u6240\u4ee5\u5173\u4e8ememcache.ini\u7684\u90e8\u5206\u548c\u6b65\u9aa4\u662f\u4e0d\u540c\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># vi \/etc\/php-fpm.d\/www.conf<\/span>\r\n<span class=\"p\">;<\/span> php_value[session.save_handler] <span class=\"o\">=<\/span> files \/\/\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\r\n<span class=\"p\">;<\/span> php_value[session.save_path] <span class=\"o\">=<\/span> \/var\/lib\/php\/session \/\/\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\r\nphp_value[session.save_handler] <span class=\"o\">=<\/span> memcached \/\/\u8ffd\u8a18\r\nphp_value[session.save_path] <span class=\"o\">=<\/span> <span class=\"s2\">\"localhost:11211\"<\/span> \/\/\u8ffd\u8a18\r\n\r\n<span class=\"c\"># service php-fpm reload<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u5c06\u4ee5\u9ed8\u8ba4\u65b9\u5f0f\u5c06\u4f1a\u8bdd\u7ba1\u7406\u8bbe\u7f6e\u4e3amemcached\u3002<\/p>\n<h2>\u4f7f\u7528PHP\u8bbe\u7f6ememcached\u7684\u914d\u7f6e\u3002<\/h2>\n<p>\u5982\u679c\u672a\u8fdb\u884c\u4e0a\u8ff0\u9ed8\u8ba4\u8bbe\u7f6e\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7\u811a\u672c\u8fdb\u884c\u4ee5\u4e0b\u8bbe\u7f6e\u66f4\u6539\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$session_save_path<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'localhost:11211'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">ini_set<\/span><span class=\"p\">(<\/span><span class=\"s1\">'session.save_handler'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'memcached'<\/span><span class=\"p\">)<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"nb\">ini_set<\/span><span class=\"p\">(<\/span><span class=\"s1\">'session.save_path'<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$session_save_path<\/span><span class=\"p\">)){<\/span>\r\n    <span class=\"nb\">session_start<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u786e\u8ba4<\/h2>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u4e0e memcached \u540c\u65f6\u5b89\u88c5\u7684 memcached-tool \u5de5\u5177\u6765\u67e5\u770b\u5f53\u524d\u7684\u7f13\u5b58\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code># memcached-tool localhost:11211 dump\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u60a8\u4e5f\u53ef\u4ee5\u76d1\u89c6\/var\/lib\/php\/session\/\u76ee\u5f55\uff0c\u6216\u505c\u6b62memcached\uff0c\u5e76\u89c2\u5bdf\u5176\u884c\u4e3a\u4ee5\u786e\u8ba4\u5176\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002<br \/>\n\u5982\u679c\u5b83\u6ca1\u6709\u6b63\u5e38\u5de5\u4f5c\uff0c\u60a8\u53ef\u4ee5\u68c0\u67e5PHP\u9519\u8bef\u65e5\u5fd7\u662f\u5426\u5728\u4f1a\u8bdd\u5f00\u59cb\u65f6\u751f\u6210\u3002<\/p>\n<h2>\u6253\u5f00\u7aef\u53e3<\/h2>\n<p>\u5728\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u65f6\uff0c\u9700\u8981\u5c06\u7528\u4e8ememcached\u768411211\u7aef\u53e3\u5f00\u653e\u7ed9\u5176\u4ed6WEB\u670d\u52a1\u5668\u3002<\/p>\n<h1>\u5b9e\u7528\u7bc7<\/h1>\n<h2>\u4fee\u6539\u7f13\u5b58\u5927\u5c0f<\/h2>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cmemcached\u7684\u7f13\u5b58\u7a7a\u95f4\u5c06\u4fdd\u755964MB\u3002\u5982\u679c\u5728\u670d\u52a1\u8fd0\u8425\u4e2d\u6b64\u5927\u5c0f\u4e0d\u8db3\u65f6\uff0c\u6211\u4eec\u9700\u8981\u66f4\u6539\u6b64\u5927\u5c0f\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u8ba4\u5f53\u524d\u7684\u8bbe\u7f6e\u65b9\u6cd5\u3002<\/p>\n<p>\u53ea\u9700\u4e0a\u4f20\u4e00\u4e2a\u6587\u4ef6\uff0c\u5c31\u80fd\u50cfAPC\u4e00\u6837\u5728GUI\u4e2d\u663e\u793a\u7f13\u5b58\u72b6\u6001\u7684\u5de5\u5177\u4e5f\u5df2\u7ecf\u53d1\u5e03\u4e86\uff0c\u7c7b\u4f3cmemcache.php stats\u548capc.php\u3002<\/p>\n<p>\u8fd9\u91cc\u662f\u6e90\u4ee3\u7801\u3002\u53ea\u9700\u8981\u4ece&#8221;here is the the source code.&#8221;\u7684\u90e8\u5206\u8fdb\u884c\u4e0b\u8f7d\uff0c\u7136\u540e\u6839\u636e\u670d\u52a1\u5668\u8c03\u6574\u4ee5\u4e0b\u90e8\u5206\u7684\u5185\u5bb9\u5e76\u4e0a\u4f20\u5373\u53ef\uff0c\u975e\u5e38\u7b80\u4fbf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">define<\/span><span class=\"p\">(<\/span><span class=\"s1\">'ADMIN_USERNAME'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'memcached'<\/span><span class=\"p\">);<\/span>   <span class=\"c1\">\/\/ Admin Username<\/span>\r\n<span class=\"nb\">define<\/span><span class=\"p\">(<\/span><span class=\"s1\">'ADMIN_PASSWORD'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'password'<\/span><span class=\"p\">);<\/span>    <span class=\"c1\">\/\/ Admin Password<\/span>\r\n<span class=\"nv\">$MEMCACHE_SERVERS<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'mymemcache-server1:11211'<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1d7037434c4406c13489\/30-0.png\" alt=\"\u3053\u3093\u306a\u611f\u3058\" \/><\/div>\n<p>\u5982\u679c\u4e0d\u60f3\u7279\u5730\u505a\u8fd9\u4e48\u9ebb\u70e6\u7684\u4e8b\u60c5\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7telnet\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code># telnet localhost 11211\r\nTrying 127.0.0.1...\r\nConnected to localhost.\r\nEscape character is '^]'.\r\nstats \/\/ \u3053\u308c\u3092\u5165\u529b\u3057\u307e\u3059\r\nquit \/\/ \u3053\u308c\u3067\u7d42\u4e86\u3057\u307e\u3059\r\n<\/code><\/pre>\n<p>\u7136\u540e\u5c06\u8f93\u51fa\u5f53\u524d\u7684\u64cd\u4f5c\u72b6\u6001\u3002<br \/>\nlimit_maxbytes\u90e8\u5206\u662f\u5f53\u524d\u7684\u7f13\u5b58\u5927\u5c0f\u3002\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u8868\u793a\u3002<br \/>\n\u8981\u66f4\u6539\u8bbe\u7f6e\uff0c<\/p>\n<pre class=\"post-pre\"><code># vi \/etc\/sysconfig\/memcached\r\nPORT=\"11211\"\r\nUSER=\"memcached\"\r\nMAXCONN=\"1024\"\r\nCACHESIZE=\"64\" \/\/\u3053\u3053\u3092\u5909\u66f4\u3057\u307e\u3059\uff08MB\uff09\r\nOPTIONS=\"\"\r\n\r\n# service memcached restart\r\n<\/code><\/pre>\n<h2>\u4fee\u6539\u6709\u6548\u671f<\/h2>\n<p>\u5982\u679c\u4f7f\u7528\u4e86memcached\uff0c\u662f\u5426\u4e0d\u4f1a\u56e0\u4e3a\u5783\u573e\u56de\u6536\u800c\u4e0d\u65ad\u589e\u957f\u5462\uff1f<br \/>\n\u4e5f\u8bb8\u6709\u8fd9\u6837\u7684\u7591\u95ee\uff0c\u4f46\u662f\u4e0d\u5fc5\u62c5\u5fc3\uff0c\u8fd9\u4e2a\u95ee\u9898\u4f1a\u5728memcached\u7684\u6709\u6548\u671f\u9650\u5185\u5f97\u5230\u7ba1\u7406\u3002<br \/>\n\u8fd9\u4e2a\u6709\u6548\u671f\u9650\u5728\u4f1a\u8bdd\u4e2d\u4f7f\u7528php.ini\u7684session.gc_maxlifetime\u6765\u8bbe\u7f6e\u3002<br \/>\n\u9ed8\u8ba4\u503c\u662f1440\u79d2\uff0824\u5206\u949f\uff09\u3002<br \/>\n\u5c3d\u7ba1\u6211\u8fd8\u6ca1\u6709\u8fdb\u884c\u9a8c\u8bc1\uff0c\u4f46\u6211\u8ba4\u4e3a\u666e\u901a\u7684\u5783\u573e\u56de\u6536\u65b9\u5f0f\u662f\u6bcf100\u6b21\u8bbf\u95ee\u8c03\u7528\u4e00\u6b21\uff0c\u800cmemcached\u53ef\u80fd\u6ca1\u6709\u8fd9\u4e2a\u95ee\u9898\uff1f\u6240\u4ee5\u53ef\u80fd\u7a0d\u5fae\u77ed\u4e00\u4e9b\u3002<br \/>\n\u5982\u679c\u60f3\u8981\u8fdb\u884c\u66f4\u6539\uff0c\u8bf7\u5728session_start\u4e4b\u524d\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code>ini_set('session.gc_maxlifetime', 3600);\r\n<\/code><\/pre>\n<h2>\u9664\u4e86\u4f1a\u8bdd\u7ba1\u7406\u4e4b\u5916\u7684\u7528\u9014<\/h2>\n<p>\u6211\u89c9\u5f97\u9664\u4e86\u4f1a\u8bdd\u7ba1\u7406\uff0c\u8fd8\u6709\u60f3\u4f7f\u7528memcached\u7684\u65f6\u5019\uff01\u4f7f\u7528set()\u65b9\u6cd5\u8fdb\u884c\u503c\u7684\u7f13\u5b58\uff0c\u7528get()\u65b9\u6cd5\u6765\u83b7\u53d6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$m<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Memcached<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">addServer<\/span><span class=\"p\">(<\/span><span class=\"s1\">'localhost'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">11211<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">set<\/span><span class=\"p\">(<\/span><span class=\"s1\">'foo'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'var'<\/span><span class=\"p\">,<\/span><span class=\"mi\">60<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ 60\u79d2\u304b\u3089foo\u3068\u3044\u3046\u30ad\u30fc\u3067var\u3068\u3044\u3046\u5024\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u307e\u3059<\/span>\r\n<span class=\"nb\">var_dump<\/span><span class=\"p\">(<\/span><span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"s1\">'foo'<\/span><span class=\"p\">));<\/span>\r\n<span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"s1\">'hoge'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'fuga'<\/span><span class=\"p\">,<\/span><span class=\"mi\">60<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ set\u540c\u69d8\u306b\u5024\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u307e\u3059<\/span>\r\n<span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"s1\">'hoge'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'piyo'<\/span><span class=\"p\">,<\/span><span class=\"mi\">60<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ add\u306f\u540c\u4e00\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u5931\u6557\u3059\u308b\u306e\u3067\u6b21\u306evar_dump\u3067\u306ffuga\u306e\u307e\u307e\u3067\u3059<\/span>\r\n<span class=\"nb\">var_dump<\/span><span class=\"p\">(<\/span><span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"s1\">'hoge'<\/span><span class=\"p\">));<\/span>\r\n<span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nb\">flush<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ \u5168\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf\u3092\u524a\u9664\u3057\u307e\u3059<\/span>\r\n<span class=\"nb\">var_dump<\/span><span class=\"p\">(<\/span><span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"s1\">'foo'<\/span><span class=\"p\">));<\/span> <span class=\"c1\">\/\/ \u524a\u9664\u3055\u308c\u3066\u3044\u308b\u305f\u3081FALSE\u304c\u8fd4\u308a\u307e\u3059<\/span>\r\n<\/code><\/pre>\n<p>add()\u548cset()\u7684\u529f\u80fd\u76f8\u4f3c\uff0c\u4f46\u662f\u5982\u679c\u7f13\u5b58\u4e2d\u5df2\u7ecf\u5b58\u5728\u76f8\u540c\u7684\u952e\uff0c\u5219add()\u64cd\u4f5c\u4f1a\u5931\u8d25\u3002<\/p>\n<p>\u73b0\u5728\u6709\u4e00\u4e2a\u95ee\u9898\u3002\u5047\u5982\u6267\u884cflush()\uff0c\u90a3\u4e48\u8fde\u4f1a\u8bdd\u90fd\u4f1a\u6d88\u5931\u3002<br \/>\n\u56e0\u6b64\uff0c\u6211\u8fd8\u4f1a\u5199\u4e00\u4e2a\u5904\u7406\u53ea\u5220\u9664\u9664\u4f1a\u8bdd\u4ee5\u5916\u7684\u7f13\u5b58\u7684\u65b9\u6cd5\u3002<br \/>\n\u901a\u8fc7getAllKeys()\u83b7\u53d6\u6240\u6709\u952e\uff0c\u5224\u65ad\u662f\u5426\u6709\u4e0e\u4f1a\u8bdd\u6570\u636e\u76f8\u5173\u7684\u524d\u7f00\uff0c\u5982\u679c\u6ca1\u6709\u5219\u8fdb\u884c\u5220\u9664\u64cd\u4f5c\u3002\u5982\u6587\u6863\u6240\u8ff0\uff0c\u524d\u7f00\u5e94\u4e3a&#8217;memc.sess.key.&#8217;\uff0c\u6211\u4eec\u4f1a\u4f7f\u7528\u524d\u7f00\u5339\u914d\u6765\u8fdb\u884c\u5224\u65ad\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$m<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Memcached<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nv\">$cachekeys<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getAllKeys<\/span><span class=\"p\">();<\/span>\r\n<span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$cachekeys<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$key<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nv\">$prefix<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'memc.sess.key.'<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">strpos<\/span><span class=\"p\">(<\/span><span class=\"nv\">$key<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$prefix<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"o\">!==<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nv\">$m<\/span><span class=\"o\">-&gt;<\/span><span class=\"nb\">delete<\/span><span class=\"p\">(<\/span><span class=\"nv\">$key<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6240\u4ee5\uff0c\u5982\u679c\u8981\u540c\u65f6\u4f7f\u7528memcached\u6765\u7ba1\u7406\u4f1a\u8bdd\u548c\u5176\u4ed6\u6570\u636e\uff0c\u6700\u597d\u6ce8\u610f\u7ed9\u952e\u6dfb\u52a0\u524d\u7f00\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0e\u9ed8\u8ba4\u7684\u6587\u4ef6\u57fa\u7840\u7684\u4f1a\u8bdd\u7ba1\u7406\u76f8\u6bd4\uff0c \u5b83\u53ef\u4ee5\u5728\u591a\u4e2aWEB\u670d\u52a1\u5668\u4e4b\u95f4\u5171\u4eab\u4f1a\u8bdd\uff0c\u867d\u7136\u73b0\u5728\u53ef\u80fd\u6709\u70b9\u665a\u4e86\uff0c \u4f46\u662f\u6211\u89c9\u5f97\u8fd9\u6837 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34457","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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