{"id":44,"date":"2014-09-12T16:27:25","date_gmt":"2014-09-12T08:27:25","guid":{"rendered":"http:\/\/www.phpzl.com\/?p=44"},"modified":"2014-09-12T16:27:25","modified_gmt":"2014-09-12T08:27:25","slug":"memcached-%e8%b6%85%e6%97%b6%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"http:\/\/www.phpzl.com\/?p=44","title":{"rendered":"Memcached \u8d85\u65f6\u65f6\u95f4"},"content":{"rendered":"

Memcached \u5b58\u50a8\u547d\u4ee4 expire \u8fc7\u671f\u65f6\u95f4\u8bbe\u7f6e<\/p>\n

\u95ee\u9898\uff1a<\/p>\n

\u62ffset\u547d\u4ee4\u4e3a\u4f8b<\/p>\n

bool\u00a0Memcache::set<\/strong>\u00a0( string\u00a0$key<\/code>\u00a0,\u00a0mixed<\/a>\u00a0$var<\/code>\u00a0[, int\u00a0$flag<\/code>\u00a0[, int\u00a0$expire<\/code>\u00a0]] )<\/p>\n

\u4e00\u4e2a\u540c\u4e8b\u5c06 $expire \u8bbe\u7f6e\u4e3a100\u5929\uff0c\u53d1\u73b0\u8bbe\u7f6e\u7684key\u603b\u662f\u83b7\u53d6\u4e0d\u5230\u503c…<\/p>\n

 <\/p>\n

 <\/p>\n

\u56e0\uff1a<\/p>\n

\u4e00\u4e9b\u5b58\u50a8\u547d\u4ee4\u5728\u53d1\u9001\u65f6\u4f1a\u5305\u542b\u4e00\u4e2a\u5931\u6548\u503c\uff08\u4e0e\u4e00\u4e2a\u5143\u7d20\u6216\u4e00\u4e2a\u5ba2\u6237\u7aef\u64cd\u4f5c\u8bf7\u6c42\u76f8\u5173\uff09\u5230\u670d\u52a1\u7aef\u3002\u6240\u6709\u8fd9\u7c7b\u7528\u6cd5\uff0c\u5b9e\u9645\u53d1\u9001\u7684\u503c\u53ef\u4ee5 \u662f\u4e00\u4e2aUnix\u65f6\u95f4\u6233\uff08\u81ea1970\u5e741\u67081\u65e5\u8d77\u81f3\u5931\u6548\u65f6\u95f4\u7684\u6574\u578b\u79d2\u6570\uff09\uff0c\u6216\u8005\u662f\u4e00\u4e2a\u4ece\u73b0\u5728\u7b97\u8d77\u7684\u4ee5\u79d2\u4e3a\u5355\u4f4d\u7684\u6570\u5b57\u3002\u5bf9\u4e8e\u540e\u4e00\u79cd\u60c5\u51b5\uff0c\u8fd9\u4e2a \u79d2\u6570\u4e0d\u80fd\u8d85\u8fc760\u00d760\u00d724\u00d730\uff0830\u5929\u65f6\u95f4\u7684\u79d2\u6570\uff09;\u5982\u679c\u5931\u6548\u7684\u503c\u5927\u4e8e\u8fd9\u4e2a\u503c\uff0c \u670d\u52a1\u7aef\u4f1a\u5c06\u5176\u4f5c\u4e3a\u4e00\u4e2a\u771f\u5b9e\u7684Unix\u65f6\u95f4\u6233\u6765\u5904\u7406\u800c\u4e0d\u662f \u81ea\u5f53\u524d\u65f6\u95f4\u7684\u504f\u79fb\u3002<\/p>\n

\u5982\u679c\u5931\u6548\u503c\u88ab\u8bbe\u7f6e\u4e3a0<\/em>\uff08\u9ed8\u8ba4\uff09\uff0c\u6b64\u5143\u7d20\u6c38\u4e0d\u8fc7\u671f\uff08\u4f46\u662f\u5b83\u53ef\u80fd\u7531\u4e8e\u670d\u52a1\u7aef\u4e3a\u4e86\u7ed9\u5176\u4ed6\u65b0\u7684\u5143\u7d20\u5206\u914d\u7a7a\u95f4\u800c\u88ab\u5220\u9664\uff09<\/p>\n

 <\/p>\n

 <\/p>\n

\n

Memcache::set<\/h1>\n

(PECL memcache >= 0.2.0)<\/p>\n

Memcache::set \u2014 Store data at the server<\/p>\n<\/div>\n

\n

\u8bf4\u660e<\/h3>\n
bool Memcache::set<\/strong> ( string $key<\/code> , mixed<\/a> $var<\/code> [, int $flag<\/code> [, int $expire<\/code> ]] )<\/div>\n

Memcache::set()<\/strong>\u5411key<\/code>\u5b58\u50a8\u4e00\u4e2a\u5143\u7d20\u503c\u4e3a var<\/code>\u3002\u53c2\u6570expire<\/code>\u662f\u4ee5\u79d2\u4e3a\u5355\u4f4d\u7684\u5931\u6548\u65f6\u95f4\uff0c \u5982\u679c\u8bbe\u7f6e\u4e3a0\u8868\u660e\u8be5\u5143\u7d20\u6c38\u4e0d\u8fc7\u671f\uff08\u4f46\u662f\u5b83\u53ef\u80fd\u4f1a\u56e0\u4e3a\u4e3a\u4e86\u7ed9\u5176\u4ed6\u9879\u5206\u914d\u7a7a\u95f4\u800c\u88ab\u5220\u9664\uff09\u3002\u5982\u679c\u4f60\u5e0c\u671b\u5b58\u50a8\u7684\u5143\u7d20 \u7ecf\u8fc7\u538b\u7f29\uff08\u4f7f\u7528zlib\uff09\uff0c\u4f60\u53ef\u4ee5\u8bbe\u7f6eflag<\/code>\u7684\u503c\u4e3aMEMCACHE_COMPRESSED<\/code><\/strong>\u3002<\/p>\n

Note<\/strong>:<\/p>\n

\u8c28\u8bb0\uff1a\u8d44\u6e90\u7c7b\u578b\u53d8\u91cf\uff08\u6bd4\u5982\u6587\u4ef6\u6216\u8fde\u63a5\uff09\u4e0d\u80fd\u88ab\u5b58\u50a8\u5728\u7f13\u5b58\u4e2d\uff0c\u56e0\u4e3a\u5b83\u4eec\u5728\u5e8f\u5217\u5316\u72b6\u6001\u4e0d\u80fd\u88ab\u5b8c\u6574\u63cf\u8ff0\u3002<\/p>\n

 <\/p><\/blockquote>\n

\u540c\u6837\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570memcache_set()<\/strong>\u3002 <\/p>\n<\/div>\n

\n

\u53c2\u6570<\/h3>\n

 <\/p>\n

\n
key<\/code><\/dt>\n
\u8981\u8bbe\u7f6e\u503c\u7684key\u3002<\/p>\n<\/dd>\n
var<\/code><\/dt>\n
\u8981\u5b58\u50a8\u7684\u503c\uff0c\u5b57\u7b26\u4e32\u548c\u6570\u503c\u76f4\u63a5\u5b58\u50a8\uff0c\u5176\u4ed6\u7c7b\u578b\u5e8f\u5217\u5316\u540e\u5b58\u50a8\u3002<\/p>\n<\/dd>\n
flag<\/code><\/dt>\n
\u4f7f\u7528MEMCACHE_COMPRESSED<\/code><\/strong>\u6307\u5b9a\u5bf9\u503c\u8fdb\u884c\u538b\u7f29(\u4f7f\u7528zlib)\u3002<\/p>\n<\/dd>\n
expire<\/code><\/dt>\n
\u5f53\u524d\u5199\u5165\u7f13\u5b58\u7684\u6570\u636e\u7684\u5931\u6548\u65f6\u95f4\u3002\u5982\u679c\u6b64\u503c\u8bbe\u7f6e\u4e3a0\u8868\u660e\u6b64\u6570\u636e\u6c38\u4e0d\u8fc7\u671f\u3002\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2aUNIX\u65f6\u95f4\u6233\u6216 \u4ee5\u79d2\u4e3a\u5355\u4f4d\u7684\u6574\u6570\uff08\u4ece\u5f53\u524d\u7b97\u8d77\u7684\u65f6\u95f4\u5dee\uff09\u6765\u8bf4\u660e\u6b64\u6570\u636e\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u4f46\u662f\u5728\u540e\u4e00\u79cd\u8bbe\u7f6e\u65b9\u5f0f\u4e2d\uff0c\u4e0d\u80fd\u8d85\u8fc7 2592000\u79d2\uff0830\u5929\uff09\u3002<\/p>\n<\/dd>\n<\/dl>\n

 <\/p>\n<\/div>\n

\n

\u8fd4\u56de\u503c<\/h3>\n

\u6210\u529f\u65f6\u8fd4\u56de TRUE<\/code><\/strong>\uff0c \u6216\u8005\u5728\u5931\u8d25\u65f6\u8fd4\u56de FALSE<\/code><\/strong>\u3002<\/p>\n<\/div>\n

\n

\u8303\u4f8b<\/h3>\n

 <\/p>\n

\n

Example #1 Memcache::set()<\/strong> \u793a\u4f8b<\/strong><\/p>\n

\n
<?php
\n\/*\u00a0procedural\u00a0API\u00a0*\/<\/p>\n

\/*\u00a0connect\u00a0to\u00a0memcached\u00a0server\u00a0*\/
\n$memcache_obj\u00a0=\u00a0memcache_connect('memcache_host',\u00a011211);<\/p>\n

\/*
\n\u8bbe\u7f6e'var_key'\u5bf9\u5e94\u5b58\u50a8\u7684\u503c
\nflag\u53c2\u6570\u4f7f\u75280,\u503c\u6ca1\u6709\u7ecf\u8fc7\u538b\u7f29
\n\u5931\u6548\u65f6\u95f4\u4e3a30\u79d2
\n*\/
\nmemcache_set($memcache_obj,\u00a0'var_key',\u00a0'some\u00a0variable',\u00a00,\u00a030);<\/p>\n

echo\u00a0memcache_get($memcache_obj,\u00a0'var_key');<\/p>\n

?> <\/code><\/div>\n<\/div>\n<\/div>\n

\n

Example #2 Memcache::set()<\/strong> \u793a\u4f8b<\/strong><\/p>\n

\n
<?php
\n\/*\u00a0OO\u00a0API\u00a0*\/<\/p>\n

$memcache_obj\u00a0=\u00a0new\u00a0Memcache;<\/p>\n

\/*\u00a0connect\u00a0to\u00a0memcached\u00a0server\u00a0*\/
\n$memcache_obj->connect('memcache_host',\u00a011211);<\/p>\n

\/*
\n\u8bbe\u7f6e'var_key'\u5bf9\u5e94\u503c\uff0c\u4f7f\u7528\u5373\u65f6\u538b\u7f29
\n\u5931\u6548\u65f6\u95f4\u4e3a50\u79d2
\n*\/
\n$memcache_obj->set('var_key',\u00a0'some\u00a0really\u00a0big\u00a0variable',\u00a0MEMCACHE_COMPRESSED,\u00a050);<\/p>\n

echo\u00a0$memcache_obj->get('var_key');<\/p>\n

?><\/code><\/div>\n<\/div>\n<\/div>\n<\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Memcached \u5b58\u50a8\u547d\u4ee4 expire \u8fc7\u671f\u65f6\u95f4\u8bbe\u7f6e \u95ee\u9898\uff1a \u62ffset\u547d\u4ee4\u4e3a\u4f8b bool\u00a0Memcache […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"_links":{"self":[{"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/posts\/44"}],"collection":[{"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=44"}],"version-history":[{"count":0,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/posts\/44\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.phpzl.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=44"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=44"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=44"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}