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141 lines
5.8 KiB
HTML
141 lines
5.8 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>返回所有已定义函数的数组</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.get-defined-functions" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">get_defined_functions</h1>
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<p class="verinfo">(PHP 4 >= 4.0.4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">get_defined_functions</span> — <span class="dc-title">返回所有已定义函数的数组</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.get-defined-functions-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>get_defined_functions</strong></span>
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([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$exclude_disabled</code><span class="initializer"> = <strong><code>FALSE</code></strong></span></span>
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] ) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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获取所有已定义函数的数组。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.get-defined-functions-parameters">
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<h3 class="title">参数</h3>
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<dl>
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<dt>
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<code class="parameter">exclude_disabled</code></dt>
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<dd>
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<p class="para">
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禁用的函数是否应该在返回的数据里排除。
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</p>
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</dd>
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</dl>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.get-defined-functions-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回数组，包含了所有已定义的函数，包括内置(internal) 和用户定义的函数。 可通过<var class="varname"><var class="varname">$arr["internal"]</var></var>来访问系统内置函数， 通过<var class="varname"><var class="varname">$arr["user"]</var></var>来访问用户自定义函数 (参见示例)。
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</p>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.get-defined-functions-changelog">
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<h3 class="title">更新日志</h3>
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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>PHP 7.0.15, PHP 7.1.1</td>
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<td>
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增加 <code class="parameter">exclude_disabled</code> 参数。
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="refsect1 examples" id="refsect1-function.get-defined-functions-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-6207">
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<p><strong>Example #1 <span class="function"><strong>get_defined_functions()</strong></span> 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: #007700">function </span><span style="color: #0000BB">myrow</span><span style="color: #007700">(</span><span style="color: #0000BB">$id</span><span style="color: #007700">, </span><span style="color: #0000BB">$data</span><span style="color: #007700">)<br />{<br /> return </span><span style="color: #DD0000">"<tr><th></span><span style="color: #0000BB">$id</span><span style="color: #DD0000"></th><td></span><span style="color: #0000BB">$data</span><span style="color: #DD0000"></td></tr>\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$arr </span><span style="color: #007700">= </span><span style="color: #0000BB">get_defined_functions</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$arr</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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Array
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(
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[internal] => Array
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(
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[0] => zend_version
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[1] => func_num_args
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[2] => func_get_arg
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[3] => func_get_args
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[4] => strlen
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[5] => strcmp
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[6] => strncmp
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...
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[750] => bcscale
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[751] => bccomp
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)
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[user] => Array
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(
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[0] => myrow
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)
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)
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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.get-defined-functions-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="function_exists.html" class="function" rel="rdfs-seeAlso">function_exists()</a> - 如果给定的函数已经被定义就返回 TRUE</span></li>
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<li class="member"><span class="function"><a href="get_defined_vars.html" class="function" rel="rdfs-seeAlso">get_defined_vars()</a> - 返回由所有已定义变量所组成的数组</span></li>
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<li class="member"><span class="function"><a href="get_defined_constants.html" class="function" rel="rdfs-seeAlso">get_defined_constants()</a> - 返回所有常量的关联数组，键是常量名，值是常量值</span></li>
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<li class="member"><span class="function"><a href="get_declared_classes.html" class="function" rel="rdfs-seeAlso">get_declared_classes()</a> - 返回由已定义类的名字所组成的数组</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> |