<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.9 $ -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.readfile">
 <refnamediv>
  <refname>readfile</refname>
  <refpurpose>Outputs a file</refpurpose>
 </refnamediv>
 <refsect1>
  <title>Description</title>
  <methodsynopsis>
   <type>int</type><methodname>readfile</methodname>
   <methodparam><type>string</type><parameter>filename</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>use_include_path</parameter></methodparam>
   <methodparam choice="opt"><type>resource</type><parameter>context</parameter></methodparam>
  </methodsynopsis>
  <para>
   Reads a file and writes it to the output buffer.
  </para>
  <para>
   Returns the number of bytes read from the file. If an error
   occurs, &false; is returned and unless the function was called as
   @<function>readfile</function>, an error message is printed.
  </para>
  &tip.fopen-wrapper;
  <para>
   You can use the optional second parameter and set it to &true;, if
   you want to search for the file in the <link
   linkend="ini.include-path">include_path</link>, too.
  </para>
  &note.context-support;
  <para>
   See also <function>fpassthru</function>,
   <function>file</function>, <function>fopen</function>,
   <function>include</function>, <function>require</function>,
   <function>virtual</function>, <function>file_get_contents</function>,
   and <xref linkend="wrappers"/>.
  </para>
 </refsect1>
</refentry>

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