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<HTML
><HEAD
><TITLE
>readfile</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.57"><LINK
REL="HOME"
TITLE="PHP Manual"
HREF="manual.html"><LINK
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TITLE="Filesystem functions"
HREF="ref.filesystem.html"><LINK
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><BODY
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BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
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><DIV
CLASS="NAVHEADER"
><TABLE
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BORDER="0"
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CELLSPACING="0"
><TR
><TH
COLSPAN="3"
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>PHP Manual</TH
></TR
><TR
><TD
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ALIGN="left"
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><A
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>Prev</A
></TD
><TD
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><HR
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WIDTH="100%"></DIV
><H1
><A
NAME="function.readfile"
>readfile</A
></H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN11791"
></A
><P
> (PHP3 , PHP4 )</P
>readfile -- Outputs a file</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN11794"
></A
><H2
>Description</H2
><DIV
CLASS="funcsynopsis"
><A
NAME="AEN11796"
></A
><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="function"
>readfile</B
></CODE
> (string filename [, int
use_include_path])</CODE
></P
><P
></P
></DIV
><P
> Reads a file and writes it to standard output.
</P
><P
> Returns the number of bytes read from the file. If an error
occurs, false is returned and unless the function was called as
@readfile, an error message is printed.
</P
><P
> If <TT
CLASS="parameter"
><I
>filename</I
></TT
> begins with "http://"
(not case sensitive), an HTTP 1.0 connection is opened to the
specified server and the text of the response is written to
standard output.
</P
><P
> Does not handle HTTP redirects, so you must include trailing
slashes on directories.
</P
><P
> If <TT
CLASS="parameter"
><I
>filename</I
></TT
> begins with "ftp://"
(not case sensitive), an ftp connection to the specified server is
opened and the requested file is written to standard output. If the server
does not support passive mode ftp, this will fail.
</P
><P
> If <TT
CLASS="parameter"
><I
>filename</I
></TT
> begins with neither
of these strings, the file will be opened from the filesystem and
its contents written to standard output.
</P
><P
> You can use the optional second parameter and set it to "1", if
you want to search for the file in the <A
HREF="configuration.html#ini.include-path"
>include_path</A
>, too.
</P
><P
> See also <A
HREF="function.fpassthru.html"
><B
CLASS="function"
>fpassthru()</B
></A
>,
<A
HREF="function.file.html"
><B
CLASS="function"
>file()</B
></A
>, <A
HREF="function.fopen.html"
><B
CLASS="function"
>fopen()</B
></A
>,
<A
HREF="function.include.html"
><B
CLASS="function"
>include()</B
></A
>, <A
HREF="function.require.html"
><B
CLASS="function"
>require()</B
></A
>, and
<A
HREF="function.virtual.html"
><B
CLASS="function"
>virtual()</B
></A
>.
</P
></DIV
><DIV
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><HR
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>Up</A
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