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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 317865 $ -->
<refentry xml:id="mysqlnduhconnection.escapestring" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>MysqlndUhConnection::escapeString</refname>
<refpurpose>
Escapes special characters in a string for use in an SQL statement,
taking into account the current charset of the connection
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>string</type><methodname>MysqlndUhConnection::escapeString</methodname>
<methodparam><type>mysqlnd_connection</type><parameter>connection</parameter></methodparam>
<methodparam><type>string</type><parameter>escape_string</parameter></methodparam>
</methodsynopsis>
<para>
Escapes special characters in a string for use in an SQL statement,
taking into account the current charset of the connection.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>MYSQLND_UH_RES_MYSQLND_NAME</parameter></term>
<listitem>
<para>
Mysqlnd connection handle. Do not modify!
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>escape_string</parameter></term>
<listitem>
<para>
The string to be escaped.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The escaped string.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>MysqlndUhConnection::escapeString</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
class proxy extends MysqlndUhConnection {
public function escapeString($res, $string) {
printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
$ret = parent::escapeString($res, $string);
printf("%s returns %s\n", __METHOD__, var_export($ret, true));
return $ret;
}
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysqli = new mysqli("localhost", "root", "", "test");
$mysqli->set_charset("latin1");
$mysqli->real_escape_string("test0'test");
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
proxy::escapeString(array (
0 => NULL,
1 => 'test0\'test',
))
proxy::escapeString returns 'test0\\\'test'
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member>
<function>mysqlnd_uh_set_connection_proxy</function>
</member>
<member>
<function>mysqli_real_escape_string</function>
</member>
<member>
<function>mysql_real_escape_string</function>
</member>
</simplelist>
</para>
</refsect1>
</refentry>
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