delete.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="memcache.delete" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>Memcache::delete</refname>
  <refpurpose>Delete item from the server</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>Memcache::delete</methodname>
   <methodparam><type>string</type><parameter>key</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>timeout</parameter><initializer>0</initializer></methodparam>
  </methodsynopsis>

  <para>
   <function>Memcache::delete</function> deletes an item with the <parameter>key</parameter>. 
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>key</parameter></term>
     <listitem>
      <para>
       The key associated with the item to delete.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>timeout</parameter></term>
     <listitem>
      <para>
       This deprecated parameter is not supported, and defaults to <literal>0</literal> seconds.
       Do not use this parameter.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>Unknown</entry>
      <entry>
       <!-- @todo I don't understand this topic; it could be documented better -->
       It's not recommended to use the <parameter>timeout</parameter> parameter. The
       behavior differs between memcached versions, but setting to <literal>0</literal>
       is safe. Other values for this deprecated feature may cause the memcache delete
       to fail.
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>Memcache::delete</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php

/* procedural API */
$memcache_obj = memcache_connect('memcache_host', 11211);

/* item will be deleted by the server */
memcache_delete($memcache_obj, 'key_to_delete');

/* OO API */
$memcache_obj = new Memcache;
$memcache_obj->connect('memcache_host', 11211);

$memcache_obj->delete('key_to_delete');

?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>Memcache::set</function></member>
    <member><function>Memcache::replace</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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