<HTML ><HEAD ><TITLE >filemtime</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="Filesystem functions" HREF="ref.filesystem.html"><LINK REL="PREVIOUS" TITLE="fileinode" HREF="function.fileinode.html"><LINK REL="NEXT" TITLE="fileowner" HREF="function.fileowner.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.fileinode.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.fileowner.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.filemtime" ></A >filemtime</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN25677" ></A ><P > (PHP 3, PHP 4 )</P >filemtime -- Gets file modification time</DIV ><DIV CLASS="refsect1" ><A NAME="AEN25680" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >filemtime</B > ( string filename)<BR ></BR ><P > Returns the time the file was last modified, or <TT CLASS="constant" ><B >FALSE</B ></TT > in case of an error. The time is returned as a Unix timestamp, which is suitable for the <A HREF="function.date.html" ><B CLASS="function" >date()</B ></A > function. </P ><P > The results of this function are cached. See <A HREF="function.clearstatcache.html" ><B CLASS="function" >clearstatcache()</B ></A > for more details. </P ><P > 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 > Note: This function returns the time when the data blocks of a file were being written to, that is, the time when the content of the file was changed. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN25697" ></A ><P ><B >Example 1. <B CLASS="function" >filemtime()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" ><?php // outputs e.g. somefile.txt was last modified: December 29 2002 22:16:23. $filename = 'somefile.txt'; if (file_exists($filename)) { echo "$filename was last modified: " . date ("F d Y H:i:s.", filemtime($filename)); } ?></PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > See also <A HREF="function.filectime.html" ><B CLASS="function" >filectime()</B ></A >, <A HREF="function.stat.html" ><B CLASS="function" >stat()</B ></A >, <A HREF="function.touch.html" ><B CLASS="function" >touch()</B ></A >, and <A HREF="function.getlastmod.html" ><B CLASS="function" >getlastmod()</B ></A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.fileinode.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.fileowner.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >fileinode</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.filesystem.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >fileowner</TD ></TR ></TABLE ></DIV ></BODY ></HTML >