Memcached : Use it on PHP2016/07/18 |
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This is the example to use Memcached on PHP.
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| [1] | Install PHP Memcached Client Module. |
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# install from EPEL [root@dlp ~]# yum --enablerepo=epel -y install php-pecl-memcached
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| [2] | Basic usage on PHP. |
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[cent@dlp ~]$
vi use_memcache.php
<?php
$memcache = new Memcached();
$memcache->addServer('localhost', 11211);
$memcache->setOption(Memcached::OPT_COMPRESSION, false);
// set and get a Key
$memcache->set('key01', 'value01');
print 'key01.value : ' . $memcache->get('key01') . "\n";
// append and get a Key
$memcache->append('key01', ',value02');
print 'key01.value : ' . $memcache->get('key01') . "\n";
$memcache->set('key02', 1);
print 'key02.value : ' . $memcache->get('key02') . "\n";
// increment
$memcache->increment('key02', 100);
print 'key02.value : ' . $memcache->get('key02') . "\n";
// decrement
$memcache->decrement('key02', 51);
print 'key02.value : ' . $memcache->get('key02') . "\n";
$memcache->set('key03', 'value03');
print 'key03.value : ' . $memcache->get('key03') . "\n";
// CAS (on the example below, the Value of key03 will not update to value05)
$memcache->get('key03', null, $cas);
$memcache->replace('key03', 'value04');
if ($memcache->getResultCode() == Memcached::RES_NOTFOUND) {
$memcache->add('key03', 'value03');
} else {
$memcache->cas($cas, 'key03', 'value05');
}
print 'key03.value : ' . $memcache->get('key03') . "\n";
?>
# run [cent@dlp ~]$ php use_memcache.php key01.value : value01 key01.value : value01,value02 key02.value : 1 key02.value : 101 key02.value : 50 key03.value : value03 key03.value : value04 |
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