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70 lines
3.9 KiB
HTML
70 lines
3.9 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Return the real group ID of the current process</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.posix-getgid" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">posix_getgid</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</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>
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</div>
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<div class="refsect1 description" id="refsect1-function.posix-getgid-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>posix_getgid</strong></span>
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( <span class="methodparam">void</span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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Return the numeric real group ID of the current process.
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.posix-getgid-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the real group id, as an <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.posix-getgid-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-4337">
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<p><strong>Example #1 <span class="function"><strong>posix_getgid()</strong></span> example</strong></p>
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<div class="example-contents"><p>
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This example will print out the real group id, even once the effective
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group id has been changed.
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</p></div>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<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>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.posix-getgid-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<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>
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<li class="member"><span class="function"><a href="posix_getegid.html" class="function" rel="rdfs-seeAlso">posix_getegid()</a> - Return the effective group ID of the current process</span></li>
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<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>
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<li class="member">POSIX man page GETGID(2)</li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |