📄 function.posix-geteuid.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Return the effective user ID of the current process</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.posix-getegid.html">posix_getegid</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.posix-getgid.html">posix_getgid</a></div> <div class="up"><a href="ref.posix.html">POSIX Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.posix-geteuid" class="refentry"> <div class="refnamediv"> <h1 class="refname">posix_geteuid</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">posix_geteuid</span> — <span class="dc-title">Return the effective user ID of the current process</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>posix_geteuid</b></b></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Return the numeric effective user ID of the current process. See also <a href="function.posix-getpwuid.html" class="function">posix_getpwuid()</a> for information on how to convert this into a useable username. </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the user id, as an <a href="language.types.integer.html" class="type integer">integer</a> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>posix_geteuid()</b> example</b></p> <div class="example-contents"><p>This example will show the current user id then set the effective user id to a separate id using <a href="function.posix-seteuid.html" class="function">posix_seteuid()</a>, then show the difference between the real id and the effective id.</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: #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_seteuid</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">//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">//10000<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.posix-getpwuid.html" class="function" rel="rdfs-seeAlso">posix_getpwuid()</a> for more information about the user.</li> <li class="member"><a href="function.posix-getuid.html" class="function" rel="rdfs-seeAlso">posix_getuid()</a> get real user id.</li> <li class="member"><a href="function.posix-setuid.html" class="function" rel="rdfs-seeAlso">posix_setuid()</a> change the effective user id</li> <li class="member">POSIX man page GETEUID(2)</li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.posix-getegid.html">posix_getegid</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.posix-getgid.html">posix_getgid</a></div> <div class="up"><a href="ref.posix.html">POSIX Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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