<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Gets last access time of file</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.file.html">file</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.filectime.html">filectime</a></div> <div class="up"><a href="ref.filesystem.html">Filesystem Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.fileatime" class="refentry"> <div class="refnamediv"> <h1 class="refname">fileatime</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">fileatime</span> — <span class="dc-title">Gets last access time of file</span></p> </div> <div class="refsect1 description" id="refsect1-function.fileatime-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><strong>fileatime</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span> )</div> <p class="simpara"> Gets the last access time of the given file. </p> </div> <div class="refsect1 parameters" id="refsect1-function.fileatime-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">filename</code></em></span> <dd> <p class="para"> Path to the file. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.fileatime-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the time the file was last accessed, or <strong><code>FALSE</code></strong> on failure. The time is returned as a Unix timestamp. </p> </div> <div class="refsect1 examples" id="refsect1-function.fileatime-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-2372"> <p><strong>Example #1 <span class="function"><strong>fileatime()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">// outputs e.g. somefile.txt was last accessed: December 29 2002 22:16:23.<br /><br /></span><span style="color: #0000BB">$filename </span><span style="color: #007700">= </span><span style="color: #DD0000">'somefile.txt'</span><span style="color: #007700">;<br />if (</span><span style="color: #0000BB">file_exists</span><span style="color: #007700">(</span><span style="color: #0000BB">$filename</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$filename</span><span style="color: #DD0000"> was last accessed: " </span><span style="color: #007700">. </span><span style="color: #0000BB">date</span><span style="color: #007700">(</span><span style="color: #DD0000">"F d Y H:i:s."</span><span style="color: #007700">, </span><span style="color: #0000BB">fileatime</span><span style="color: #007700">(</span><span style="color: #0000BB">$filename</span><span style="color: #007700">));<br />}<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 errors" id="refsect1-function.fileatime-errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Upon failure, an <strong><code>E_WARNING</code></strong> is emitted. </p> </div> <div class="refsect1 notes" id="refsect1-function.fileatime-notes"> <h3 class="title">Notes</h3> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para"> The atime of a file is supposed to change whenever the data blocks of a file are being read. This can be costly performance-wise when an application regularly accesses a very large number of files or directories. </p> <p class="para"> Some Unix filesystems can be mounted with atime updates disabled to increase the performance of such applications; USENET news spools are a common example. On such filesystems this function will be useless. </p> </p></blockquote> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para">Note that time resolution may differ from one file system to another.</p></p></blockquote> <blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">The results of this function are cached. See <span class="function"><a href="function.clearstatcache.html" class="function">clearstatcache()</a></span> for more details.</span></p></blockquote> <div class="tip"><strong class="tip">Tip</strong><p class="simpara">As of PHP 5.0.0, this function can also be used with <em class="emphasis">some</em> URL wrappers. Refer to <a href="wrappers.html" class="xref">Supported Protocols and Wrappers</a> to determine which wrappers support <span class="function"><a href="function.stat.html" class="function">stat()</a></span> family of functionality.</p></div> </div> <div class="refsect1 seealso" id="refsect1-function.fileatime-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.filemtime.html" class="function" rel="rdfs-seeAlso">filemtime()</a> - Gets file modification time</span></li> <li class="member"> <span class="function"><a href="function.fileinode.html" class="function" rel="rdfs-seeAlso">fileinode()</a> - Gets file inode</span></li> <li class="member"> <span class="function"><a href="function.date.html" class="function" rel="rdfs-seeAlso">date()</a> - Format a local time/date</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.file.html">file</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.filectime.html">filectime</a></div> <div class="up"><a href="ref.filesystem.html">Filesystem Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>