php-doc-en/reference/http/functions/misc/http-support.xml

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<!-- $Revision: 1.1 $ -->
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<refentry id="function.http-support">
 <refnamediv>
  <refname>http_support</refname>
  <refpurpose>Check builtin HTTP support</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>http_support</methodname>
   <methodparam choice="opt"><type>int</type><parameter>feature = 0</parameter></methodparam>
  </methodsynopsis>
  <para>
   Check for features that require external libraries.
  </para>
  <para>
   See the <link linkend="http.constants.support">feature support constants table</link>
   for possible values for the <varname>feature</varname> argument.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>feature</parameter></term>
     <listitem>
      <para>
       Feature to probe for; if the parameter is 0 or omitted, the return value contains a bitmask of 
       all supported features that depend on external libraries
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns int, whether requested feature is supported, or a bitmask with all supported features.
  </para>
 </refsect1>

 <!-- Use when EXCEPTIONS exist
 <refsect1 role="exceptions">
  &reftitle.exceptions;
  <para>
   When does this function throw exceptions?
  </para>
 </refsect1>
 -->


 <!-- Use when a CHANGELOG exists
 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>Enter the PHP version of change here</entry>
       <entry>Description of change</entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>
 -->


 <!-- Use when examples exist
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>A <function>http_support</function> example</title>
    <para>
     Any text that describes the purpose of the example, or
     what goes on in the example should go here (inside the
     <example> tag, not out
    </para>
    <programlisting role="php">
<![CDATA[
<?php
if ($anexample === true) {
    echo 'Use the PEAR Coding Standards';
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Use the PEAR Coding Standards
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 -->


 <!-- Use when adding See Also links
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function></function></member>
    <member>Or <link linkend="somethingelse">something else</link></member>
   </simplelist>
  </para>
 </refsect1>
 -->


</refentry>

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