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85 lines
3.0 KiB
HTML
85 lines
3.0 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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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Check if a stream is a TTY</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.stream-isatty" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">stream_isatty</h1>
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<p class="verinfo">(PHP 7 >= 7.2.0)</p><p class="refpurpose"><span class="refname">stream_isatty</span> — <span class="dc-title">Check if a stream is a TTY</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.stream-isatty-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>stream_isatty</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$stream</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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Determines if stream <code class="parameter">stream</code> refers to a valid terminal type device.
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This is a more portable version of <span class="function"><a href="posix_isatty.html" class="function">posix_isatty()</a></span>, since it works on Windows systems too.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.stream-isatty-parameters">
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<h3 class="title">参数</h3>
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<dl>
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<dt>
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<code class="parameter">stream</code></dt>
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<dd>
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<p class="para">
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</p>
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</dd>
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</dl>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.stream-isatty-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.stream-isatty-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-4829">
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<p><strong>Example #1 <span class="function"><strong>stream_isatty()</strong></span> example</strong></p>
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<div class="example-contents"><p>
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This command can be used to determine if a standard output / standard error stream is redirected to a file.
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</p></div>
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<div class="example-contents"><div class="shcode"><pre class="shcode">php -r "var_export(stream_isatty(STDERR));"</pre>
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</div></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"><br />
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true<br />
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</div>
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<div class="example-contents"><div class="shcode"><pre class="shcode">php -r "var_export(stream_isatty(STDERR));" 2>output.txt</pre>
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</div></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"><br />
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false<br />
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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></div></div></body></html> |