<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.mysql-real-escape-string">
   <refnamediv>
    <refname>mysql_real_escape_string</refname>
    <refpurpose>
     Escapes special characters in a string for use in a SQL statement, taking into account the current charset of the connection.
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>string</type><methodname>mysql_real_escape_string</methodname>
      <methodparam><type>string</type><parameter>unescaped_string</parameter></methodparam>
      <methodparam choice="opt"><type>resource</type><parameter>link_identifier</parameter></methodparam>
     </methodsynopsis>
    <para>
     This function will escape special characters in the
     <parameter>unescaped_string</parameter>, taking into account the current
     charset of the connection so that it is safe to place it in a
     <function>mysql_query</function>. 
    </para>
    <note>
     <simpara>
      <function>mysql_real_escape_string</function> does not escape
      <literal>%</literal> and <literal>_</literal>.
     </simpara>
    </note>
    <para>
     <example>
      <title><function>mysql_real_escape_string</function> example</title>
      <programlisting role="php">
<![CDATA[
<?php
$item = "Zak's and Derick's Laptop";
$escaped_item = mysql_real_escape_string($item);
printf ("Escaped string: %s\n", $escaped_item);
?>
]]>
      </programlisting>
      <para>
       The above example would produce the following output:
      </para>
      <screen>
<![CDATA[
Escaped string: Zak\'s and Derick\'s Laptop
]]>
      </screen>
     </example>
    </para>
    <para>
     See also
     <function>mysql_escape_string</function> and
     <function>mysql_character_set_name</function>.
    </para>
   </refsect1>
  </refentry>

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