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92 lines
3.9 KiB
HTML
92 lines
3.9 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>返回删除注释和空格后的PHP源码</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.php-strip-whitespace" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">php_strip_whitespace</h1>
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<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">php_strip_whitespace</span> — <span class="dc-title">返回删除注释和空格后的PHP源码</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.php-strip-whitespace-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>php_strip_whitespace</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</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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返回删除注释和空格后 <code class="parameter">filename</code> 的PHP源码。这对实际代码数量和注释数量的对比很有用。
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此函数与 <a href="features.commandline.html" class="link">命令行</a> 下执行 <strong class="command">php -w</strong> 相似。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.php-strip-whitespace-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">filename</code></dt>
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<dd>
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<p class="para">
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PHP文件的路径。
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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.php-strip-whitespace-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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在成功时返回过滤后的代码，或者在失败时返回空字符串。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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此函数在PHP 5.0.1后以所述方式工作。之前它仅会返回一个空字符串。关于更多此BUG的信息与其行为，详见BUG报告 <a href="http://bugs.php.net/29606" class="link external">» #29606</a>。
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 examples" id="refsect1-function.php-strip-whitespace-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-4544">
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<p><strong>Example #1 <span class="function"><strong>php_strip_whitespace()</strong></span> 的例子</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 /></span><span style="color: #FF8000">// PHP comment here<br /><br />/*<br /> * Another PHP comment<br /> */<br /><br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">php_strip_whitespace</span><span style="color: #007700">(</span><span style="color: #0000BB">__FILE__</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// Newlines are considered whitespace, and are removed too:<br /></span><span style="color: #0000BB">do_nothing</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>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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<?php
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echo php_strip_whitespace(__FILE__); do_nothing(); ?>
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</pre></div>
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</div>
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<div class="example-contents"><p>
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可以注意到PHP的注释已不存在，成为第一个echo语句前的换行和空格。
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</p></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> |