php-doc-en/reference/stream/functions/stream-context-create.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.stream-context-create" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>stream_context_create</refname>
  <refpurpose>Creates a stream context</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>resource</type><methodname>stream_context_create</methodname>
   <methodparam choice="opt"><type>array</type><parameter>options</parameter></methodparam>
   <methodparam choice="opt"><type>array</type><parameter>params</parameter></methodparam>
  </methodsynopsis>
  <para>
   Creates and returns a stream context with any options supplied in
   <parameter>options</parameter> preset.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>options</parameter></term>
     <listitem>
      <para>
       Must be an associative array of associative arrays in the format
       <literal>$arr['wrapper']['option'] = $value</literal>. Refer to <link linkend="context">context options</link> for a list of available wrappers and options.
      </para>
      <para>
       Default to an empty array.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>params</parameter></term>
     <listitem>
      <para>
       Must be an associative array in the format
       <literal>$arr['parameter'] = $value</literal>.
       Refer to <link linkend="context.params">context parameters</link> for
       a listing of standard stream parameters.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   A stream context <type>resource</type>.
  </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>5.3.0</entry>
       <entry>
        Added the optional <parameter>params</parameter> argument.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title>Using <function>stream_context_create</function></title>
   <programlisting role="php">
<![CDATA[
<?php
$opts = array(
  'http'=>array(
    'method'=>"GET",
    'header'=>"Accept-language: en\r\n" .
              "Cookie: foo=bar\r\n"
  )
);

$context = stream_context_create($opts);

/* Sends an http request to www.example.com
   with additional headers shown above */
$fp = fopen('http://www.example.com', 'r', false, $context);
fpassthru($fp);
fclose($fp);
?>
]]>
   </programlisting>
  </example>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>stream_context_set_option</function></member>
   <member>Listing of supported wrappers (<xref linkend="wrappers"/>)</member>
   <member>Context options (<xref linkend="context"/>)</member>
  </simplelist>
 </refsect1>
</refentry>

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