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158 lines
5.1 KiB
HTML
158 lines
5.1 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>检查PHP的语法（并执行）指定的文件</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-check-syntax" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">php_check_syntax</h1>
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<p class="verinfo">(PHP 5 < 5.0.5)</p><p class="refpurpose"><span class="refname">php_check_syntax</span> — <span class="dc-title">
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检查PHP的语法（并执行）指定的文件
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.php-check-syntax-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_check_syntax</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter reference">&$error_message</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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对指定的 <code class="parameter">filename</code> 进行语法检查，检测脚本的错误。
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</p>
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<p class="para">
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此函数除了会执行（但不会输出）<code class="parameter">filename</code>，其他与 <a href="features.commandline.html" class="link">命令行</a>中使用<strong class="command">php -l</strong> 相似。
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</p>
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<p class="para">
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例如，如果函数在文件 <code class="parameter">filename</code> 中被定义了，则该函数在执行<span class="function"><strong>php_check_syntax()</strong></span>后可用。但是<code class="parameter">filename</code>输出内容不会被输出。
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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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因为某些技术原因，该函数已被弃用，并且从PHP中移除了。请以<a href="features.commandline.html" class="link">commandline</a>使用 <em>php -l somefile.php</em>取而代之。
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.php-check-syntax-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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需要被检测的文件。
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</p>
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</dd>
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<dt>
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<code class="parameter">error_message</code></dt>
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<dd>
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<p class="para">
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如果使用了参数 <code class="parameter">error_message</code>，它会包含语法检测出的错误信息。
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<code class="parameter">error_message</code> 以 <a href="language.references.html" class="link">引用</a>方式传递。
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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-check-syntax-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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如果语法检测通过返回 <strong><code>TRUE</code></strong>，未通过或者文件无法打开则返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.php-check-syntax-changelog">
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<h3 class="title">更新日志</h3>
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<p class="para">
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>版本</th>
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<th>说明</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>5.0.5</td>
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<td>
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函数从PHP中移除。
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</td>
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</tr>
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<tr>
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<td>5.0.3</td>
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<td>
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<span class="function"><strong>php_check_syntax()</strong></span>之后调用 <span class="function"><a href="exit.html" class="function">exit()</a></span> 会导致一个段错误。
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</td>
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</tr>
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<tr>
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<td>5.0.1</td>
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<td>
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<code class="parameter">error_message</code> 通过引用传递
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</td>
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</tr>
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</tbody>
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</table>
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.php-check-syntax-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-contents screen">
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<div class="examplescode"><pre class="examplescode">php -l somefile.php</pre>
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</div>
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</div>
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</p>
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<p class="para">以上例程的输出类似于：</p>
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<p class="para">
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<div class="example-contents screen">
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<div class="examplescode"><pre class="examplescode">PHP Parse error: unexpected T_STRING in /tmp/somefile.php on line 81</pre>
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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.php-check-syntax-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="include.html" class="function" rel="rdfs-seeAlso">include</a> - include</span></li>
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<li class="member"><span class="function"><a href="is_readable.html" class="function" rel="rdfs-seeAlso">is_readable()</a> - 判断给定文件名是否可读</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> |