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<h1 class="refname">Memcache::flush</h1>
<p class="verinfo">(PECL memcache >= 1.0.0)</p><p class="refpurpose"><span class="refname">Memcache::flush</span> — <span class="dc-title">Flush all existing items at the server</span></p>
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<div class="refsect1 description" id="refsect1-memcache.flush-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>Memcache::flush</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
<span class="function"><strong>Memcache::flush()</strong></span> immediately invalidates all
existing items. <span class="function"><strong>Memcache::flush()</strong></span> doesn't
actually free any resources, it only marks all the items as expired, so
occupied memory will be overwritten by new items.
Also you can use <span class="function"><strong>memcache_flush()</strong></span> function.
</p>
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<div class="refsect1 returnvalues" id="refsect1-memcache.flush-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure.
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<div class="refsect1 examples" id="refsect1-memcache.flush-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-4414">
<p><strong>Example #1 <span class="function"><strong>Memcache::flush()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/* procedural API */<br /></span><span style="color: #0000BB">$memcache_obj </span><span style="color: #007700">= </span><span style="color: #0000BB">memcache_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">, </span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">memcache_flush</span><span style="color: #007700">(</span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* OO API */<br /><br /></span><span style="color: #0000BB">$memcache_obj </span><span style="color: #007700">= new </span><span style="color: #0000BB">Memcache</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">-></span><span style="color: #0000BB">connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">, </span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">-></span><span style="color: #0000BB">flush</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">?></span>
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