use memcached and php-memcache(d)

后端开发|php教程

use memcached and php-memcache(d)

后端开发-php教程

For memcached 1.2 to 1.3, protocol changed for delete(). For memcached 1.4, the wrong format will cause fatal error:

failed with: CLIENT_ERROR bad command line format.

So php pecl-memcache will get failed with the new version.

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for php pecl-memcached, because it’s using libmemcache, so no this issue.

We write a function to choose which memcache extension we will use in our code:

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$mem_flag = 0;$mem_conn = null;function mcached_conn(){global $config, $mem_flag, $mem_conn;if($mem_flag != 1){if ($config[mcache][version]==0){$mem_conn = memcache_pconnect($config[mcache][host], 11211);} else {$mem_conn = new Memcached();$mem_conn->addServer($config[mcache][host], 11211);}$mem_flag = 1;}return $mem_conn;}function memcache_version_set($memcache_obj, $key,$value,$flag,$ttl){global $config;if ($config[mcache][version]==0){return memcache_set($memcache_obj, $key,$value,$flag,$ttl);} else {return $memcache_obj->set($key,$value,$ttl);}}function memcache_version_get($memcache_obj, $key){global $config;if ($config[mcache][version]==0){return memcache_get($memcache_obj, $key);} else {return $memcache_obj->get($key);}}function memcache_version_del($memcache_obj, $key){global $config;if ($config[mcache][version]==0){return memcache_delete($memcache_obj, $key);} else {return $memcache_obj->delete($key);}}

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