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https://github.com/fofolee/uTools-Manuals.git
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104 lines
4.9 KiB
HTML
104 lines
4.9 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>通过已打开的文件指针取得文件信息</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.fstat" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">fstat</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">fstat</span> — <span class="dc-title">通过已打开的文件指针取得文件信息</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.fstat-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>fstat</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$handle</code></span>
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) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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获取由文件指针 <code class="parameter">handle</code>
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所打开文件的统计信息。本函数和 <span class="function"><a href="stat.html" class="function">stat()</a></span>
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函数相似，除了它是作用于已打开的文件指针而不是文件名。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.fstat-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">handle</code></dt>
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<dd>
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<p class="para">文件系统指针，是典型地由
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<span class="function"><a href="fopen.html" class="function">fopen()</a></span> 创建的 <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>(资源)。</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.fstat-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回一个数组具有该文件的统计信息，该数组的格式详细说明于手册中
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<span class="function"><a href="stat.html" class="function">stat()</a></span> 页面里。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.fstat-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-2807">
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<p><strong>Example #1 <span class="function"><strong>fstat()</strong></span> 例子</strong></p>
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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 /><br /></span><span style="color: #FF8000">// 打开文件<br /></span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"/etc/passwd"</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 取得统计信息<br /></span><span style="color: #0000BB">$fstat </span><span style="color: #007700">= </span><span style="color: #0000BB">fstat</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 关闭文件<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 只显示关联数组部分<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_slice</span><span style="color: #007700">(</span><span style="color: #0000BB">$fstat</span><span style="color: #007700">, </span><span style="color: #0000BB">13</span><span style="color: #007700">));<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 class="example-contents"><p>以上例程的输出类似于：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Array
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(
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[dev] => 771
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[ino] => 488704
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[mode] => 33188
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[nlink] => 1
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[uid] => 0
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[gid] => 0
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[rdev] => 0
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[size] => 1114
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[atime] => 1061067181
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[mtime] => 1056136526
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[ctime] => 1056136526
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[blksize] => 4096
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[blocks] => 8
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)
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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 notes" id="refsect1-function.fstat-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数不能作用于<a href="features.remote_files.html" class="link">远程文件</a>，被检查的文件必须是可通过服务器的文件系统访问的。</span></p></blockquote>
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</div>
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</div></div></div></body></html> |