📄 function.chown.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Changes file owner</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.chmod.html">chmod</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.clearstatcache.html">clearstatcache</a></div> <div class="up"><a href="ref.filesystem.html">Filesystem Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.chown" class="refentry"> <div class="refnamediv"> <h1 class="refname">chown</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">chown</span> — <span class="dc-title">Changes file owner</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>chown</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$filename</tt></span> , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$user</tt></span> )</div> <p class="para rdfs-comment"> Attempts to change the owner of the file <i><tt class="parameter">filename</tt></i> to user <i><tt class="parameter">user</tt></i>. Only the superuser may change the owner of a file. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">filename</tt></i></span> <dd> <p class="para"> Path to the file. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">user</tt></i></span> <dd> <p class="para"> A user name or number. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Simple <b>chown()</b> usage</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">// File name and username to use<br /></span><span style="color: #0000BB">$file_name</span><span style="color: #007700">= </span><span style="color: #DD0000">"foo.php"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$path </span><span style="color: #007700">= </span><span style="color: #DD0000">"/home/sites/php.net/public_html/sandbox" </span><span style="color: #007700">. </span><span style="color: #0000BB">$file_name </span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$user_name </span><span style="color: #007700">= </span><span style="color: #DD0000">"root"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Set the user<br /></span><span style="color: #0000BB">chown</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">, </span><span style="color: #0000BB">$user_name</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Check the result<br /></span><span style="color: #0000BB">$stat </span><span style="color: #007700">= </span><span style="color: #0000BB">stat</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">posix_getpwuid</span><span style="color: #007700">(</span><span style="color: #0000BB">$stat</span><span style="color: #007700">[</span><span style="color: #DD0000">'uid'</span><span style="color: #007700">]));<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>array(7) { ["name"]=> string(13) "php.net" ["passwd"]=> string(1) "x" ["uid"]=> int(148864) ["gid"]=> int(148910) ["gecos"]=> string(13) "php.net" ["dir"]=> string(25) "/home/sites/php.net" ["shell"]=> string(13) "/sbin/nologin"}</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: <span class="simpara">This function will not work on <a href="features.remote-files.html" class="link">remote files</a> as the file tobe examined must be accessible via the server's filesystem.</span></p></blockquote> <blockquote><p><b class="note">Note</b>: <span class="simpara">When <a href="features.safe-mode.html" class="link">safe mode</a> is enabled, PHP checks whether the files or directories being operated upon have the same UID (owner) as the script that is being executed.</span></p></blockquote> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.chmod.html" class="function" rel="rdfs-seeAlso">chmod()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.chmod.html">chmod</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.clearstatcache.html">clearstatcache</a></div> <div class="up"><a href="ref.filesystem.html">Filesystem Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -