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<refentry xml:id="function.msg-set-queue" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>msg_set_queue</refname>
  <refpurpose>Set information in the message queue data structure</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>msg_set_queue</methodname>
   <methodparam><type>SysvMessageQueue</type><parameter>queue</parameter></methodparam>
   <methodparam><type>array</type><parameter>data</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>msg_set_queue</function> allows you to change the values of the
   msg_perm.uid, msg_perm.gid, msg_perm.mode and msg_qbytes fields of the
   underlying message queue data structure.
  </para>
  <para>
   Changing the data structure will require that PHP be running as the same
   user that created the queue, owns the queue (as determined by the
   existing msg_perm.xxx fields), or be running with root privileges.
   root privileges are required to raise the msg_qbytes values above the
   system defined limit.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>queue</parameter></term>
     <listitem>
      <para>
       The message queue.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>data</parameter></term>
     <listitem>
      <para>
       You specify the values you require by setting the value of the keys
       that you require in the <parameter>data</parameter> array.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

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

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>8.0.0</entry>
       <entry>
        <parameter>queue</parameter> expects a <classname>SysvMessageQueue</classname>
        instance now; previously, a <type>resource</type> was expected.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>msg_remove_queue</function></member>
    <member><function>msg_receive</function></member>
    <member><function>msg_stat_queue</function></member>
    <member><function>msg_get_queue</function></member>
   </simplelist>
  </para>
 </refsect1>  

</refentry>
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