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93 lines
4.6 KiB
HTML
93 lines
4.6 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>Set the UID 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-setuid" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">posix_setuid</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">posix_setuid</span> — <span class="dc-title">Set the UID of the current process</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.posix-setuid-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_setuid</strong></span>
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( <span class="methodparam"><span class="type">int</span> <code class="parameter">$uid</code></span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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Set the real user ID of the current process. This is a privileged
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function that needs appropriate privileges (usually root) on
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the system to be able to perform this function.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.posix-setuid-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">uid</code></dt>
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<dd>
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<p class="para">
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The user id.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.posix-setuid-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.posix-setuid-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-4353">
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<p><strong>Example #1 <span class="function"><strong>posix_setuid()</strong></span> example</strong></p>
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<div class="example-contents"><p>This example will show the current user id and then set
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it to a different value.</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: #0000BB">posix_getuid</span><span style="color: #007700">().</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">//10001<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">posix_geteuid</span><span style="color: #007700">().</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">//10001<br /></span><span style="color: #0000BB">posix_setuid</span><span style="color: #007700">(</span><span style="color: #0000BB">10000</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">posix_getuid</span><span style="color: #007700">().</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">//10000<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">posix_geteuid</span><span style="color: #007700">().</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">//10000<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-setuid-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_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"><span class="function"><a href="posix_seteuid.html" class="function" rel="rdfs-seeAlso">posix_seteuid()</a> - Set the effective UID of the current process</span></li>
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<li class="member"><span class="function"><a href="posix_getuid.html" class="function" rel="rdfs-seeAlso">posix_getuid()</a> - Return the real user ID of the current process</span></li>
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<li class="member"><span class="function"><a href="posix_geteuid.html" class="function" rel="rdfs-seeAlso">posix_geteuid()</a> - Return the effective user ID of the current process</span></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> |