php-doc-en/reference/curl/functions/curl-escape.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.curl-escape" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>curl_escape</refname>
  <refpurpose>URL encodes the given string</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>false</type></type><methodname>curl_escape</methodname>
   <methodparam><type>CurlHandle</type><parameter>handle</parameter></methodparam>
   <methodparam><type>string</type><parameter>string</parameter></methodparam>
  </methodsynopsis>
  <para>
   This function URL encodes the given string according to <link xlink:href="&url.rfc;3986">RFC 3986</link>.
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   &curl.ch.description;
   <varlistentry>
    <term><parameter>string</parameter></term>
    <listitem>
     <para>
      The string to be encoded.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns escaped string&return.falseforfailure;.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     &curl.changelog.handle-param;
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>curl_escape</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
// Create a curl handle
$ch = curl_init();

// Escape a string used as a GET parameter
$location = curl_escape($ch, 'Hofbräuhaus / München');
// Result: Hofbr%C3%A4uhaus%20%2F%20M%C3%BCnchen

// Compose an URL with the escaped string
$url = "http://example.com/add_location.php?location={$location}";
// Result: http://example.com/add_location.php?location=Hofbr%C3%A4uhaus%20%2F%20M%C3%BCnchen

// Send HTTP request and close the handle
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_exec($ch);
curl_close($ch);
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>curl_unescape</function></member>
    <member><function>urlencode</function></member>
    <member><function>rawurlencode</function></member>
    <member><link xlink:href="&url.rfc;3986">RFC 3986</link></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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