Sophie: php-manual-en-4.3.0-2mdk noarch

php-manual-en-4.3.0-2mdk.noarch.rpm

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>file_exists</H1
><DIV
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><P
>    (PHP 3, PHP 4 )</P
>file_exists&nbsp;--&nbsp;Checks whether a file exists</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN25486"
></A
><H2
>Description</H2
>bool <B
CLASS="methodname"
>file_exists</B
> ( string filename)<BR
></BR
><P
>&#13;     Returns <TT
CLASS="constant"
><B
>TRUE</B
></TT
> if the file specified by
     <TT
CLASS="parameter"
><I
>filename</I
></TT
> exists; <TT
CLASS="constant"
><B
>FALSE</B
></TT
> otherwise.
    </P
><P
>&#13;     This function will not work on <A
HREF="features.remote-files.html"
>remote files</A
>; the file to
     be examined must be accessible via the server's filesystem.
    </P
><P
>&#13;     The results of this function are cached. See
     <A
HREF="function.clearstatcache.html"
><B
CLASS="function"
>clearstatcache()</B
></A
> for more details.
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Using Windows shares: </B
>
      On windows, use <TT
CLASS="filename"
>//computername/share/filename</TT
> or
      <TT
CLASS="filename"
>\\\\computername\share\filename</TT
> to check files on
      network shares.
     </P
></BLOCKQUOTE
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><P
><B
>Example 1. Testing whether a file exists</B
></P
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><PRE
CLASS="php"
>&#60;?php
$filename = '/path/to/foo.txt';

if (file_exists($filename)) {
    print "The file $filename exists";
} else {
    print "The file $filename does not exist";
}
?&#62;</PRE
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    </P
><P
>&#13;     See also <A
HREF="function.is-readable.html"
><B
CLASS="function"
>is_readable()</B
></A
>, <A
HREF="function.is-writable.html"
><B
CLASS="function"
>is_writable()</B
></A
>,
     <A
HREF="function.is-file.html"
><B
CLASS="function"
>is_file()</B
></A
> and <A
HREF="function.file.html"
><B
CLASS="function"
>file()</B
></A
>.
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