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<!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>Dynamically adds a new method to a given class</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.classkit-method-add" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">classkit_method_add</h1>
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<p class="verinfo">(PECL classkit >= 0.1)</p><p class="refpurpose"><span class="refname">classkit_method_add</span> — <span class="dc-title">Dynamically adds a new method to a given class</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.classkit-method-add-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>classkit_method_add</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$classname</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$methodname</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$args</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$code</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$flags</code><span class="initializer"> = CLASSKIT_ACC_PUBLIC</span></span>
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] ) : <span class="type">bool</span></div>
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<div class="warning"><strong class="warning">Warning</strong><p class="simpara">此函数是<em class="emphasis">实验性</em>的。此函数的表象，包括名称及其相关文档都可能在未来的
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PHP 发布版本中未通知就被修改。使用本函数风险自担 。</p></div>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.classkit-method-add-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">classname</code></dt>
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<dd>
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<p class="para">
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The class to which this method will be added
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</p>
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</dd>
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<dt>
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<code class="parameter">methodname</code></dt>
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<dd>
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<p class="para">
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The name of the method to add
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</p>
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</dd>
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<dt>
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<code class="parameter">args</code></dt>
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<dd>
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<p class="para">
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Comma-delimited list of arguments for the newly-created method
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</p>
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</dd>
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<dt>
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<code class="parameter">code</code></dt>
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<dd>
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<p class="para">
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The code to be evaluated when <code class="parameter">methodname</code>
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is called
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</p>
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</dd>
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<dt>
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<code class="parameter">flags</code></dt>
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<dd>
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<p class="para">
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The type of method to create, can be
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<strong><code>CLASSKIT_ACC_PUBLIC</code></strong>,
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<strong><code>CLASSKIT_ACC_PROTECTED</code></strong> or
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<strong><code>CLASSKIT_ACC_PRIVATE</code></strong>
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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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This parameter is only used as of PHP 5, because, prior to this,
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all methods were public.
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</p>
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</p></blockquote>
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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.classkit-method-add-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.classkit-method-add-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-6155">
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<p><strong>Example #1 <span class="function"><strong>classkit_method_add()</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: #007700">class </span><span style="color: #0000BB">Example </span><span style="color: #007700">{<br /> function </span><span style="color: #0000BB">foo</span><span style="color: #007700">() {<br /> echo </span><span style="color: #DD0000">"foo!\n"</span><span style="color: #007700">;<br /> }<br />}<br /><br /></span><span style="color: #FF8000">// create an Example object<br /></span><span style="color: #0000BB">$e </span><span style="color: #007700">= new </span><span style="color: #0000BB">Example</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">// Add a new public method<br /></span><span style="color: #0000BB">classkit_method_add</span><span style="color: #007700">(<br /> </span><span style="color: #DD0000">'Example'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'add'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'$num1, $num2'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'return $num1 + $num2;'</span><span style="color: #007700">,<br /> </span><span style="color: #0000BB">CLASSKIT_ACC_PUBLIC<br /></span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// add 12 + 4<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$e</span><span style="color: #007700">-></span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #0000BB">12</span><span style="color: #007700">, </span><span style="color: #0000BB">4</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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16
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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.classkit-method-add-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="classkit_method_copy.html" class="function" rel="rdfs-seeAlso">classkit_method_copy()</a> - Copies a method from class to another</span></li>
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<li class="member"><span class="function"><a href="classkit_method_redefine.html" class="function" rel="rdfs-seeAlso">classkit_method_redefine()</a> - Dynamically changes the code of the given method</span></li>
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<li class="member"><span class="function"><a href="classkit_method_remove.html" class="function" rel="rdfs-seeAlso">classkit_method_remove()</a> - Dynamically removes the given method</span></li>
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<li class="member"><span class="function"><a href="classkit_method_rename.html" class="function" rel="rdfs-seeAlso">classkit_method_rename()</a> - Dynamically changes the name of the given method</span></li>
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<li class="member"><span class="function"><a href="create_function.html" class="function" rel="rdfs-seeAlso">create_function()</a> - Create an anonymous (lambda-style) function</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> |