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https://github.com/fofolee/uTools-Manuals.git
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76 lines
3.8 KiB
HTML
76 lines
3.8 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>读取一行</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.readline" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">readline</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">readline</span> — <span class="dc-title">读取一行</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.readline-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>readline</strong></span>
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([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$prompt</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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从用户端读取一行.你必须自己使用 <span class="function"><a href="readline_add_history.html" class="function">readline_add_history()</a></span> 将这一行添加到历史记录中
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.readline-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">prompt</code></dt>
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<dd>
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<p class="para">
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你可以指定一个字符串来作为用户的提示信息
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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.readline-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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从用户端返回一个行字符串.返回的该行的行尾换行符会被删除
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.readline-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-694">
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<p><strong>Example #1 <span class="function"><strong>readline()</strong></span> Example</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 /></span><span style="color: #FF8000">//get 3 commands from user<br /></span><span style="color: #007700">for (</span><span style="color: #0000BB">$i</span><span style="color: #007700">=</span><span style="color: #0000BB">0</span><span style="color: #007700">; </span><span style="color: #0000BB">$i </span><span style="color: #007700">< </span><span style="color: #0000BB">3</span><span style="color: #007700">; </span><span style="color: #0000BB">$i</span><span style="color: #007700">++) {<br /> </span><span style="color: #0000BB">$line </span><span style="color: #007700">= </span><span style="color: #0000BB">readline</span><span style="color: #007700">(</span><span style="color: #DD0000">"Command: "</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">readline_add_history</span><span style="color: #007700">(</span><span style="color: #0000BB">$line</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">//dump history<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">readline_list_history</span><span style="color: #007700">());<br /><br /></span><span style="color: #FF8000">//dump variables<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">readline_info</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>
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</p>
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</div>
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</div></div></div></body></html> |