memcache.examples.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Examples</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="memcache.constants.html">Predefined Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.memcache.html">Memcache Functions</a></div> <div class="up"><a href="book.memcache.html">Memcache</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1>Examples</h1> <div id="memcache.examples-overview" class="section">  <p class="para">   <div class="example">    <p><b>Example #1 memcache extension overview example</b></p>    <div class="example-contents"><p>     In this example, an object is being saved in the cache and then     retrieved back. Object and other non-scalar types are serialized     before saving, so it&#039;s impossible to store resources (i.e. connection     identifiers and others) in the cache.    </p></div>    <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$memcache&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Memcache</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$memcache</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">)&nbsp;or&nbsp;die&nbsp;(</span><span style="color: #DD0000">"Could&nbsp;not&nbsp;connect"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$version&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$memcache</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getVersion</span><span style="color: #007700">();<br />echo&nbsp;</span><span style="color: #DD0000">"Server's&nbsp;version:&nbsp;"</span><span style="color: #007700">.</span><span style="color: #0000BB">$version</span><span style="color: #007700">.</span><span style="color: #DD0000">"&lt;br/&gt;\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$tmp_object&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">stdClass</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$tmp_object</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">str_attr&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'test'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$tmp_object</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">int_attr&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">123</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$memcache</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">set</span><span style="color: #007700">(</span><span style="color: #DD0000">'key'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$tmp_object</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">false</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">10</span><span style="color: #007700">)&nbsp;or&nbsp;die&nbsp;(</span><span style="color: #DD0000">"Failed&nbsp;to&nbsp;save&nbsp;data&nbsp;at&nbsp;the&nbsp;server"</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #DD0000">"Store&nbsp;data&nbsp;in&nbsp;the&nbsp;cache&nbsp;(data&nbsp;will&nbsp;expire&nbsp;in&nbsp;10&nbsp;seconds)&lt;br/&gt;\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$get_result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$memcache</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">'key'</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #DD0000">"Data&nbsp;from&nbsp;the&nbsp;cache:&lt;br/&gt;\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$get_result</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>    </div>   </div>  </p>  <p class="para">   <div class="example">    <p><b>Example #2 Using memcache session handler</b></p>    <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$session_save_path&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">"tcp://$host:$port?persistent=1&amp;weight=2&amp;timeout=2&amp;retry_interval=10,&nbsp;&nbsp;,tcp://$host:$port&nbsp;&nbsp;"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">'session.save_handler'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'memcache'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">'session.save_path'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$session_save_path</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>    </div>   </div>  </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="memcache.constants.html">Predefined Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.memcache.html">Memcache Functions</a></div> <div class="up"><a href="book.memcache.html">Memcache</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>

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