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<title>Return the real group ID of the current process</title>
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<h1 class="refname">posix_getgid</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">posix_getgid</span> — <span class="dc-title">Return the real group ID of the current process</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.posix-getgid-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><strong>posix_getgid</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
Return the numeric real group ID of the current process.
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.posix-getgid-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the real group id, as an <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.posix-getgid-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3654">
<p><strong>Example #1 <span class="function"><strong>posix_getgid()</strong></span> example</strong></p>
<div class="example-contents"><p>
This example will print out the real group id, even once the effective
group id has been changed.
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'My real group id is '</span><span style="color: #007700">.</span><span style="color: #0000BB">posix_getgid</span><span style="color: #007700">(); </span><span style="color: #FF8000">//20<br /></span><span style="color: #0000BB">posix_setegid</span><span style="color: #007700">(</span><span style="color: #0000BB">40</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">'My real group id is '</span><span style="color: #007700">.</span><span style="color: #0000BB">posix_getgid</span><span style="color: #007700">(); </span><span style="color: #FF8000">//20<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'My effective group id is '</span><span style="color: #007700">.</span><span style="color: #0000BB">posix_getegid</span><span style="color: #007700">(); </span><span style="color: #FF8000">//40<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.posix-getgid-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.posix-getgrgid.html" class="function" rel="rdfs-seeAlso">posix_getgrgid()</a> - Return info about a group by group id</span></li>
<li class="member"> <span class="function"><a href="function.posix-getegid.html" class="function" rel="rdfs-seeAlso">posix_getegid()</a> - Return the effective group ID of the current process</span></li>
<li class="member"> <span class="function"><a href="function.posix-setgid.html" class="function" rel="rdfs-seeAlso">posix_setgid()</a> - Set the GID of the current process</span></li>
<li class="member">POSIX man page GETGID(2)</li>
</ul>
</p>
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