<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<refentry xml:id="function.mysqlnd_qc_get_handler" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>mysqlnd_qc_get_handler</refname>
  <refpurpose>Returns a list of available storage handler</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>array</type>
   <methodname>mysqlnd_qc_get_handler</methodname>
   <void />
  </methodsynopsis>
  <para>
   Which storage are available depends on the compile time
   configuration of the query cache plugin. The
   <literal>default</literal> storage handler is always available.
   All other storage handler must be enabled explicitly when building the
   extension.
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns an array of available built-in storage handler.
   For each storage handler the version number and version string
   is given.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <programlisting role="php">
<![CDATA[
<?php
var_dump(mysqlnd_qc_get_handler());
?>
]]>
   </programlisting>
   &examples.outputs;
   <screen>
<![CDATA[
array(5) {
  ["default"]=>
  array(2) {
    ["version"]=>
    string(5) "1.0.0"
    ["version_number"]=>
    int(100000)
  }
  ["user"]=>
  array(2) {
    ["version"]=>
    string(5) "1.0.0"
    ["version_number"]=>
    int(100000)
  }
  ["APC"]=>
  array(2) {
    ["version"]=>
    string(5) "1.0.0"
    ["version_number"]=>
    int(100000)
  }
  ["MEMCACHE"]=>
  array(2) {
    ["version"]=>
    string(5) "1.0.0"
    ["version_number"]=>
    int(100000)
  }
  ["sqlite"]=>
  array(2) {
    ["version"]=>
    string(5) "1.0.0"
    ["version_number"]=>
    int(100000)
  }
}
]]>
   </screen>

  </example>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member>
     <link linkend="mysqlnd-qc.installation">Installation</link>
    </member>
    <member>
     <link linkend="function.mysqlnd_qc_change_handler">
      <function>mysqlnd_qc_change_handler</function>
     </link>
    </member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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