<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Result callbacks</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="memcached.callbacks.html">Callbacks</a></div> <div class="next" style="text-align: right; float: right;"><a href="memcached.callbacks.read-through.html">Read-through cache callbacks</a></div> <div class="up"><a href="memcached.callbacks.html">Callbacks</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="memcached.callbacks.result" class="section"> <h2 class="title">Result callbacks</h2> <p class="para"> Result <span class="type"><span class="type callbacks">callbacks</span></span> are invoked by <span class="methodname"><a href="memcached.getdelayed.html" class="methodname">Memcached::getDelayed()</a></span> or <span class="methodname"><a href="memcached.getdelayedbykey.html" class="methodname">Memcached::getDelayedBykey()</a></span> methods for each item in the result set. The callback is passed the Memcached object and the array with the item information. The callback does not have to return anything. </p> <div class="example" id="example-4426"> <p><strong>Example #1 Result callback example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$m </span><span style="color: #007700">= new </span><span style="color: #0000BB">Memcached</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-></span><span style="color: #0000BB">addServer</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">, </span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$items </span><span style="color: #007700">= array(<br /> </span><span style="color: #DD0000">'key1' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'value1'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'key2' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'value2'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'key3' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'value3'<br /></span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-></span><span style="color: #0000BB">setMulti</span><span style="color: #007700">(</span><span style="color: #0000BB">$items</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-></span><span style="color: #0000BB">getDelayed</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'key1'</span><span style="color: #007700">, </span><span style="color: #DD0000">'key3'</span><span style="color: #007700">), </span><span style="color: #0000BB">true</span><span style="color: #007700">, </span><span style="color: #DD0000">'result_cb'</span><span style="color: #007700">);<br /><br />function </span><span style="color: #0000BB">result_cb</span><span style="color: #007700">(</span><span style="color: #0000BB">$memc</span><span style="color: #007700">, </span><span style="color: #0000BB">$item</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> array(3) { ["key"]=> string(4) "key1" ["value"]=> string(6) "value1" ["cas"]=> float(49) } array(3) { ["key"]=> string(4) "key3" ["value"]=> string(6) "value3" ["cas"]=> float(50) } </pre></div> </div> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="memcached.callbacks.html">Callbacks</a></div> <div class="next" style="text-align: right; float: right;"><a href="memcached.callbacks.read-through.html">Read-through cache callbacks</a></div> <div class="up"><a href="memcached.callbacks.html">Callbacks</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>