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125 lines
9.3 KiB
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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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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Call a static method and pass the arguments as array</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.forward-static-call-array" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">forward_static_call_array</h1>
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<p class="verinfo">(PHP 5 >= 5.3.0, PHP 7)</p><p class="refpurpose"><span class="refname">forward_static_call_array</span> — <span class="dc-title">Call a static method and pass the arguments as array</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.forward-static-call-array-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>forward_static_call_array</strong></span>
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( <span class="methodparam"><span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span> <code class="parameter">$function</code></span>
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, <span class="methodparam"><span class="type">array</span> <code class="parameter">$parameters</code></span>
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) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>
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<p class="para rdfs-comment">
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Calls a user defined function or method given by the <code class="parameter">function</code>
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parameter. This function must be called within a method context, it can't be
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used outside a class.
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It uses the <a href="language.oop5.late_static_bindings.html" class="link">late static
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binding</a>.
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All arguments of the forwarded method are passed as values,
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and as an array, similarly to <span class="function"><a href="call_user_func_array.html" class="function">call_user_func_array()</a></span>.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.forward-static-call-array-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">function</code></dt>
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<dd>
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<p class="para">
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The function or method to be called. This parameter may be an <span class="type"><a href="language.types.array.html" class="type array">array</a></span>,
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with the name of the class, and the method, or a <span class="type"><a href="language.types.string.html" class="type string">string</a></span>, with a function
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name.
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</p>
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</dd>
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<dt>
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<code class="parameter">parameter</code></dt>
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<dd>
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<p class="para">
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One parameter, gathering all the method parameter in one array.
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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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Note that the parameters for <span class="function"><strong>forward_static_call_array()</strong></span> are
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not passed by reference.
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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.forward-static-call-array-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the function result, or <strong><code>FALSE</code></strong> on error.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.forward-static-call-array-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-6196">
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<p><strong>Example #1 <span class="function"><strong>forward_static_call_array()</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 /><br /></span><span style="color: #007700">class </span><span style="color: #0000BB">A<br /></span><span style="color: #007700">{<br /> const </span><span style="color: #0000BB">NAME </span><span style="color: #007700">= </span><span style="color: #DD0000">'A'</span><span style="color: #007700">;<br /> public static function </span><span style="color: #0000BB">test</span><span style="color: #007700">() {<br /> </span><span style="color: #0000BB">$args </span><span style="color: #007700">= </span><span style="color: #0000BB">func_get_args</span><span style="color: #007700">();<br /> echo static::</span><span style="color: #0000BB">NAME</span><span style="color: #007700">, </span><span style="color: #DD0000">" "</span><span style="color: #007700">.</span><span style="color: #0000BB">join</span><span style="color: #007700">(</span><span style="color: #DD0000">','</span><span style="color: #007700">, </span><span style="color: #0000BB">$args</span><span style="color: #007700">).</span><span style="color: #DD0000">" \n"</span><span style="color: #007700">;<br /> }<br />}<br /><br />class </span><span style="color: #0000BB">B </span><span style="color: #007700">extends </span><span style="color: #0000BB">A<br /></span><span style="color: #007700">{<br /> const </span><span style="color: #0000BB">NAME </span><span style="color: #007700">= </span><span style="color: #DD0000">'B'</span><span style="color: #007700">;<br /><br /> public static function </span><span style="color: #0000BB">test</span><span style="color: #007700">() {<br /> echo </span><span style="color: #0000BB">self</span><span style="color: #007700">::</span><span style="color: #0000BB">NAME</span><span style="color: #007700">, </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">forward_static_call_array</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'A'</span><span style="color: #007700">, </span><span style="color: #DD0000">'test'</span><span style="color: #007700">), array(</span><span style="color: #DD0000">'more'</span><span style="color: #007700">, </span><span style="color: #DD0000">'args'</span><span style="color: #007700">));<br /> </span><span style="color: #0000BB">forward_static_call_array</span><span style="color: #007700">( </span><span style="color: #DD0000">'test'</span><span style="color: #007700">, array(</span><span style="color: #DD0000">'other'</span><span style="color: #007700">, </span><span style="color: #DD0000">'args'</span><span style="color: #007700">));<br /> }<br />}<br /><br /></span><span style="color: #0000BB">B</span><span style="color: #007700">::</span><span style="color: #0000BB">test</span><span style="color: #007700">(</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">);<br /><br />function </span><span style="color: #0000BB">test</span><span style="color: #007700">() {<br /> </span><span style="color: #0000BB">$args </span><span style="color: #007700">= </span><span style="color: #0000BB">func_get_args</span><span style="color: #007700">();<br /> echo </span><span style="color: #DD0000">"C "</span><span style="color: #007700">.</span><span style="color: #0000BB">join</span><span style="color: #007700">(</span><span style="color: #DD0000">','</span><span style="color: #007700">, </span><span style="color: #0000BB">$args</span><span style="color: #007700">).</span><span style="color: #DD0000">" \n"</span><span style="color: #007700">;<br /> }<br /><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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B
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B more,args
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C other,args
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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.forward-static-call-array-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="forward_static_call.html" class="function" rel="rdfs-seeAlso">forward_static_call()</a> - Call a static method</span></li>
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<li class="member"><span class="function"><a href="call_user_func.html" class="function" rel="rdfs-seeAlso">call_user_func()</a> - 把第一个参数作为回调函数调用</span></li>
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<li class="member"><span class="function"><a href="call_user_func_array.html" class="function" rel="rdfs-seeAlso">call_user_func_array()</a> - 调用回调函数，并把一个数组参数作为回调函数的参数</span></li>
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<li class="member"><span class="function"><a href="is_callable.html" class="function" rel="rdfs-seeAlso">is_callable()</a> - 检测参数是否为合法的可调用结构</span></li>
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<li class="member"><a href="language.pseudo-types.html#language.types.callback" class="link">callback</a> 类型的信息</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> |