php-doc-en/reference/mysql/functions/mysql-free-result.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.mysql-free-result">
   <refnamediv>
    <refname>mysql_free_result</refname>
    <refpurpose>Free result memory</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>bool</type><methodname>mysql_free_result</methodname>
      <methodparam><type>resource</type><parameter>result</parameter></methodparam>
     </methodsynopsis>
    <para>
     <function>mysql_free_result</function> will free all memory
     associated with the result identifier <parameter>result</parameter>.
    </para>
    <para>
     <function>mysql_free_result</function> only needs to be called if
     you are concerned about how much memory is being used for queries
     that return large result sets.  All associated result memory is
     automatically freed at the end of the script's execution.
     <!-- TODO and as of PHP4 before, see freeing resources -->
    </para>
    <para>
     &return.success;
    </para>
    <para>
     For downward compatibility <function>mysql_freeresult</function>
     can also be used. This is deprecated, however.
    </para>
   </refsect1>
  </refentry>

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