<!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>posix_access constants</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="posix.constants.html">Predefined Constants</a></div>
<div class="next" style="text-align: right; float: right;"><a href="posix.constants.mknod.html">posix_mknod constants</a></div>
<div class="up"><a href="posix.constants.html">Predefined Constants</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="posix.constants.access" class="section">
<h2 class="title"><span class="function"><a href="function.posix-access.html" class="function">posix_access()</a></span> constants</h2>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
These constants are available starting with PHP 5.1.0. Please note that
some of them may not be available on your system.
</p>
</p></blockquote>
<dl>
<dt id="constant.posix-f-ok">
<strong><code>POSIX_F_OK</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
Check whether the file exists.
</span>
</dd>
<dt id="constant.posix-r-ok">
<strong><code>POSIX_R_OK</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
Check whether the file exists and has read permissions.
</span>
</dd>
<dt id="constant.posix-w-ok">
<strong><code>POSIX_W_OK</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
Check whether the file exists and has write permissions.
</span>
</dd>
<dt id="constant.posix-x-ok">
<strong><code>POSIX_X_OK</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
Check whether the file exists and has execute permissions.
</span>
</dd>
</dl>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="posix.constants.html">Predefined Constants</a></div>
<div class="next" style="text-align: right; float: right;"><a href="posix.constants.mknod.html">posix_mknod constants</a></div>
<div class="up"><a href="posix.constants.html">Predefined Constants</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
