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<title>Create a special or ordinary file (POSIX.1)</title>
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<h1 class="refname">posix_mknod</h1>
<p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">posix_mknod</span> — <span class="dc-title">
Create a special or ordinary file (POSIX.1)
</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.posix-mknod-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>posix_mknod</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$pathname</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$major</code><span class="initializer"> = 0</span></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$minor</code><span class="initializer"> = 0</span></span>
]] )</div>
<p class="para rdfs-comment">
Creates a special or ordinary file.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.posix-mknod-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">pathname</code></em></span>
<dd>
<p class="para">
The file to create
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">mode</code></em></span>
<dd>
<p class="para">
This parameter is constructed by a bitwise OR between file type (one of
the following constants: <strong><code>POSIX_S_IFREG</code></strong>,
<strong><code>POSIX_S_IFCHR</code></strong>, <strong><code>POSIX_S_IFBLK</code></strong>,
<strong><code>POSIX_S_IFIFO</code></strong> or
<strong><code>POSIX_S_IFSOCK</code></strong>) and permissions.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">major</code></em></span>
<dd>
<p class="para">
The major device kernel identifier (required to pass when using
<strong><code>S_IFCHR</code></strong> or <strong><code>S_IFBLK</code></strong>).
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">minor</code></em></span>
<dd>
<p class="para">
The minor device kernel identifier.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.posix-mknod-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.posix-mknod-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3667">
<p><strong>Example #1 A <span class="function"><strong>posix_mknod()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$file </span><span style="color: #007700">= </span><span style="color: #DD0000">'/tmp/tmpfile'</span><span style="color: #007700">; </span><span style="color: #FF8000">// file name<br /></span><span style="color: #0000BB">$type </span><span style="color: #007700">= </span><span style="color: #0000BB">POSIX_S_IFBLK</span><span style="color: #007700">; </span><span style="color: #FF8000">// file type<br /></span><span style="color: #0000BB">$permissions </span><span style="color: #007700">= </span><span style="color: #0000BB">0777</span><span style="color: #007700">; </span><span style="color: #FF8000">// octal<br /></span><span style="color: #0000BB">$major </span><span style="color: #007700">= </span><span style="color: #0000BB">1</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$minor </span><span style="color: #007700">= </span><span style="color: #0000BB">8</span><span style="color: #007700">; </span><span style="color: #FF8000">// /dev/random<br /><br /></span><span style="color: #007700">if (!</span><span style="color: #0000BB">posix_mknod</span><span style="color: #007700">(</span><span style="color: #0000BB">$file</span><span style="color: #007700">, </span><span style="color: #0000BB">$type </span><span style="color: #007700">| </span><span style="color: #0000BB">$permissions</span><span style="color: #007700">, </span><span style="color: #0000BB">$major</span><span style="color: #007700">, </span><span style="color: #0000BB">$minor</span><span style="color: #007700">)) {<br /> die(</span><span style="color: #DD0000">'Error ' </span><span style="color: #007700">. </span><span style="color: #0000BB">posix_get_last_error</span><span style="color: #007700">() . </span><span style="color: #DD0000">': ' </span><span style="color: #007700">. </span><span style="color: #0000BB">posix_strerror</span><span style="color: #007700">(</span><span style="color: #0000BB">posix_get_last_error</span><span style="color: #007700">()));<br />}<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.posix-mknod-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.posix-mkfifo.html" class="function" rel="rdfs-seeAlso">posix_mkfifo()</a> - Create a fifo special file (a named pipe)</span></li>
</ul>
</p>
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