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99 lines
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HTML
99 lines
4.0 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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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Retrieve the system error message associated with the given errno</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-strerror" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">posix_strerror</h1>
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<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">posix_strerror</span> — <span class="dc-title">Retrieve the system error message associated with the given errno</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.posix-strerror-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_strerror</strong></span>
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( <span class="methodparam"><span class="type">int</span> <code class="parameter">$errno</code></span>
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) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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Returns the POSIX system error message associated with the given
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<code class="parameter">errno</code>. You may get the
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<code class="parameter">errno</code> parameter by calling
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<span class="function"><a href="posix_get_last_error.html" class="function">posix_get_last_error()</a></span>.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.posix-strerror-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">errno</code></dt>
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<dd>
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<p class="para">
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A POSIX error number, returned by
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<span class="function"><a href="posix_get_last_error.html" class="function">posix_get_last_error()</a></span>. If set to 0, then the
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string "Success" is returned.
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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-strerror-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 error message, as a string.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.posix-strerror-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-4354">
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<p><strong>Example #1 <span class="function"><strong>posix_strerror()</strong></span> example</strong></p>
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<div class="example-contents"><p>This example will attempt to kill a process which does not
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exist, then will print out the corresponding error message.</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 />posix_kill</span><span style="color: #007700">(</span><span style="color: #0000BB">50</span><span style="color: #007700">,</span><span style="color: #0000BB">SIGKILL</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">posix_strerror</span><span style="color: #007700">(</span><span style="color: #0000BB">posix_get_last_error</span><span style="color: #007700">()).</span><span style="color: #DD0000">"\n"</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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No such process
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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-strerror-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_get_last_error.html" class="function" rel="rdfs-seeAlso">posix_get_last_error()</a> - Retrieve the error number set by the last posix function that failed</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> |