uTools-Manuals/docs/php/posix_getegid.html
2019-04-28 19:00:34 +08:00

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<title>Return the effective group ID of the current process</title>
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<div id="layout-content"><div id="function.posix-getegid" class="refentry">
<div class="refnamediv">
<h1 class="refname">posix_getegid</h1>
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">posix_getegid</span> &mdash; <span class="dc-title">Return the effective group ID of the current process</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.posix-getegid-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>posix_getegid</strong></span>
( <span class="methodparam">void</span>
) : <span class="type">int</span></div>
<p class="para rdfs-comment">
Return the numeric effective group ID of the current process.
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.posix-getegid-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Returns an <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span> of the effective group ID.
</p>
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<div class="refsect1 examples" id="refsect1-function.posix-getegid-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-4335">
<p><strong>Example #1 <span class="function"><strong>posix_getegid()</strong></span> example</strong></p>
<div class="example-contents"><p>
This example will print out the effective group id, once it is
changed with <span class="function"><a href="posix_setegid.html" class="function">posix_setegid()</a></span>.
</p></div>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">'My&nbsp;real&nbsp;group&nbsp;id&nbsp;is&nbsp;'</span><span style="color: #007700">.</span><span style="color: #0000BB">posix_getgid</span><span style="color: #007700">();&nbsp;</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&nbsp;</span><span style="color: #DD0000">'My&nbsp;real&nbsp;group&nbsp;id&nbsp;is&nbsp;'</span><span style="color: #007700">.</span><span style="color: #0000BB">posix_getgid</span><span style="color: #007700">();&nbsp;</span><span style="color: #FF8000">//20<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">'My&nbsp;effective&nbsp;group&nbsp;id&nbsp;is&nbsp;'</span><span style="color: #007700">.</span><span style="color: #0000BB">posix_getegid</span><span style="color: #007700">();&nbsp;</span><span style="color: #FF8000">//40<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
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</div>
</p>
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<div class="refsect1 notes" id="refsect1-function.posix-getegid-notes">
<h3 class="title">注释</h3>
<p class="para">
<span class="function"><strong>posix_getegid()</strong></span> is different than
<span class="function"><a href="posix_getgid.html" class="function">posix_getgid()</a></span> because effective group ID can be changed by
a calling process using <span class="function"><a href="posix_setegid.html" class="function">posix_setegid()</a></span>.
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.posix-getegid-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="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="posix_getgid.html" class="function" rel="rdfs-seeAlso">posix_getgid()</a> - Return the real group ID of the current process</span></li>
<li class="member"><span class="function"><a href="posix_setgid.html" class="function" rel="rdfs-seeAlso">posix_setgid()</a> - Set the GID of the current process</span></li>
</ul>
</p>
</div>
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