📄 function.is-file.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Tells whether the filename is a regular file</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.is-executable.html">is_executable</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.is-link.html">is_link</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.is-file" class="refentry"> <div class="refnamediv">  <h1 class="refname">is_file</h1>  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">is_file</span> &mdash; <span class="dc-title">Tells whether the filename is a regular file</span></p> </div>  <div class="refsect1 description">  <h3 class="title">Description</h3>  <div class="methodsynopsis dc-description">   <span class="type">bool</span> <span class="methodname"><b><b>is_file</b></b></span>    ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$filename</tt></span>   )</div>  <p class="para rdfs-comment">   Tells whether the given file is a regular file.  </p> </div> <div class="refsect1 parameters">  <h3 class="title">Parameters</h3>  <p class="para">   <dl>    <dt>     <span class="term"><i><tt class="parameter">filename</tt></i></span>     <dd>      <p class="para">       Path to the file.      </p>     </dd>    </dt>   </dl>  </p> </div> <div class="refsect1 returnvalues">  <h3 class="title">Return Values</h3>  <p class="para">   Returns <b><tt>TRUE</tt></b> if the filename exists and is a regular file, <b><tt>FALSE</tt></b>   otherwise.  </p> </div> <div class="refsect1 examples">  <h3 class="title">Examples</h3>  <p class="para">   <div class="example">    <p><b>Example #1 <b>is_file()</b> example</b></p>    <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">is_file</span><span style="color: #007700">(</span><span style="color: #DD0000">'a_file.txt'</span><span style="color: #007700">))&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">is_file</span><span style="color: #007700">(</span><span style="color: #DD0000">'/usr/bin/'</span><span style="color: #007700">))&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>    </div>    <div class="example-contents"><p>The above example will output:</p></div>    <div class="example-contents"><pre><div class="cdata"><pre>bool(true)bool(false)</pre></div>    </pre></div>   </div>  </p> </div> <div class="refsect1 notes">  <h3 class="title">Notes</h3>  <blockquote><p><b class="note">Note</b>: <span class="simpara">The results of this function are cached. See <a href="function.clearstatcache.html" class="function">clearstatcache()</a> for more details.</span></p></blockquote>  <div class="tip"><b class="tip">Tip</b><p class="simpara">As of PHP 5.0.0, this functioncan also be used with <em class="emphasis">some</em> URL wrappers.  Refer to <a href="wrappers.html" class="xref">List of Supported Protocols/Wrappers</a> for a listing of which wrappers support <a href="function.stat.html" class="function">stat()</a> family of functionality.</p></div> </div> <div class="refsect1 seealso">  <h3 class="title">See Also</h3>  <p class="para">   <ul class="simplelist">    <li class="member"><a href="function.is-dir.html" class="function" rel="rdfs-seeAlso">is_dir()</a></li>    <li class="member"><a href="function.is-link.html" class="function" rel="rdfs-seeAlso">is_link()</a></li>   </ul>  </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.is-executable.html">is_executable</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.is-link.html">is_link</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>
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