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  5.   <title>Invokes function args</title>
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  8.  <body><div class="manualnavbar" style="text-align: center;">
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  9.  <div class="prev" style="text-align: left; float: left;"><a href="reflectionfunction.invoke.html">ReflectionFunction::invoke</a></div>
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  10.  <div class="next" style="text-align: right; float: right;"><a href="reflectionfunction.isdisabled.html">ReflectionFunction::isDisabled</a></div>
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  11.  <div class="up"><a href="class.reflectionfunction.html">ReflectionFunction</a></div>
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  12.  <div class="home"><a href="index.html">PHP Manual</a></div>
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  13. </div><hr /><div id="reflectionfunction.invokeargs" class="refentry">
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  14.  <div class="refnamediv">
    15. 

  15.   <h1 class="refname">ReflectionFunction::invokeArgs</h1>
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  16.   <p class="verinfo">(PHP 5 &gt;= 5.1.0)</p><p class="refpurpose"><span class="refname">ReflectionFunction::invokeArgs</span> &mdash; <span class="dc-title">Invokes function args</span></p>
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  17. 

  18.  </div>
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  19. 

  20.  <div class="refsect1 description" id="refsect1-reflectionfunction.invokeargs-description">
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  21.   <h3 class="title">说明</h3>
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  22.   <div class="methodsynopsis dc-description">
    23. 

  23.    <span class="modifier">public</span> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>ReflectionFunction::invokeArgs</strong></span>
    24. 

  24.     ( <span class="methodparam"><span class="type">array</span> <code class="parameter">$args</code></span>
    25. 

  25.    )</div>
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  26. 

  27.   <p class="para rdfs-comment">
    28. 

  28.    Invokes the function and pass its arguments as array.
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  29.   </p>
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  30. 

  31.  </div>
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  32. 

  33. 

  34.  <div class="refsect1 parameters" id="refsect1-reflectionfunction.invokeargs-parameters">
    35. 

  35.   <h3 class="title">参数</h3>
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  36.   <p class="para">
    37. 

  37.    <dl>
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  38. 

  39.     <dt>
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  40. 

  41.      <span class="term"><em><code class="parameter">args</code></em></span>
    42. 

  42.      <dd>
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  43. 

  44.       <p class="para">
    45. 

  45.        The passed arguments to the function as an array, much like 
    46. 

  46.         <span class="function"><a href="function.call-user-func-array.html" class="function">call_user_func_array()</a></span> works.
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  47.       </p>
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  48.      </dd>
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  49. 

  50.     </dt>
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  51. 

  52.    </dl>
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  53. 

  54.   </p>
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  55.  </div>
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  56. 

  57. 

  58.  <div class="refsect1 returnvalues" id="refsect1-reflectionfunction.invokeargs-returnvalues">
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  59.   <h3 class="title">返回值</h3>
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  60.   <p class="para">
    61. 

  61.    Returns the result of the invoked function
    62. 

  62.   </p>
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  63.  </div>
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  64. 

  65. 

  66.  <div class="refsect1 examples" id="refsect1-reflectionfunction.invokeargs-examples">
    67. 

  67.   <h3 class="title">范例</h3>
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  68.   <p class="para">
    69. 

  69.    <div class="example" id="example-4983">
    70. 

  70.     <p><strong>Example #1  <span class="methodname"><strong>ReflectionFunction::invokeArgs()</strong></span> example</strong></p>
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  71.     <div class="example-contents">
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  72. <div class="phpcode"><code><span style="color: #000000">
    73. 

  73. <span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">title</span><span style="color: #007700">(</span><span style="color: #0000BB">$title</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$name</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">sprintf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s.&nbsp;%s\r\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$title</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$name</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$function&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #DD0000">'title'</span><span style="color: #007700">);<br /><br />echo&nbsp;</span><span style="color: #0000BB">$function</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">invokeArgs</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'Dr'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'Phil'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
    74. 

  74. </span>
    75. 

  75. </code></div>
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  76.     </div>
    77. 

  77. 

  78.     <div class="example-contents"><p>以上例程会输出：</p></div>
    79. 

  79.     <div class="example-contents screen">
    80. 

  80. <div class="cdata"><pre>
    81. 

  81. Dr. Phil
    82. 

  82. </pre></div>
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  83.     </div>
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  84.    </div>
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  85.   </p>
    86. 

  86.   <p class="para">
    87. 

  87.    <div class="example" id="example-4984">
    88. 

  88.     <p><strong>Example #2  <span class="methodname"><strong>ReflectionFunction::invokeArgs()</strong></span> with references example</strong></p>
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  89.     <div class="example-contents">
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  90. <div class="phpcode"><code><span style="color: #000000">
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  91. <span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">get_false_conditions</span><span style="color: #007700">(array&nbsp;</span><span style="color: #0000BB">$conditions</span><span style="color: #007700">,&nbsp;array&nbsp;&amp;</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;foreach&nbsp;(</span><span style="color: #0000BB">$conditions&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$condition</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(!</span><span style="color: #0000BB">$condition</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">[]&nbsp;=&nbsp;</span><span style="color: #0000BB">$condition</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></span><span style="color: #0000BB">$function_ref&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #DD0000">'get_false_conditions'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$conditions&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">=&nbsp;array(</span><span style="color: #0000BB">true</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">false</span><span style="color: #007700">,&nbsp;-</span><span style="color: #0000BB">1</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$false_conditions&nbsp;</span><span style="color: #007700">=&nbsp;array();<br /><br /></span><span style="color: #0000BB">$function_ref</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">invokeArgs</span><span style="color: #007700">(array(</span><span style="color: #0000BB">$conditions</span><span style="color: #007700">,&nbsp;&amp;</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
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  92. </span>
    93. 

  93. </code></div>
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  94.     </div>
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  95. 

  96.     <div class="example-contents"><p>以上例程会输出：</p></div>
    97. 

  97.     <div class="example-contents screen">
    98. 

  98. <div class="cdata"><pre>
    99. 

  99. array(2) {
    100. 

  100.   [0]=&gt;
    101. 

  101.   bool(false)
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  102.   [1]=&gt;
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  103.   int(0)
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  104. }
    105. 

  105. </pre></div>
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  106.     </div>
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  107.    </div>
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  108.   </p>
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  109.  </div>
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  110. 

  111. 

  112.  <div class="refsect1 notes" id="refsect1-reflectionfunction.invokeargs-notes">
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  113.   <h3 class="title">注释</h3>
    114. 

  114.   <blockquote class="note"><p><strong class="note">Note</strong>: 
    115. 

  115.    <p class="para">
    116. 

  116.     如果函数有参数需为引用, 那么它们必须以引用方式传入.
    117. 

  117.    </p>
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  118.   </p></blockquote>
    119. 

  119.  </div>
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  120. 

  121. 

  122.  <div class="refsect1 seealso" id="refsect1-reflectionfunction.invokeargs-seealso">
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  123.   <h3 class="title">参见</h3>
    124. 

  124.   <p class="para">
    125. 

  125.    <ul class="simplelist">
    126. 

  126.     <li class="member"> <span class="methodname"><a href="reflectionfunction.invoke.html" class="methodname" rel="rdfs-seeAlso">ReflectionFunction::invoke()</a> - Invokes function</span></li>
    127. 

  127.     <li class="member"> <span class="methodname"><a href="reflectionfunctionabstract.getnumberofparameters.html" class="methodname" rel="rdfs-seeAlso">ReflectionFunctionAbstract::getNumberOfParameters()</a> - Gets number of parameters</span></li>
    128. 

  128.     <li class="member"><a href="language.oop5.magic.html#object.invoke" class="link">__invoke()</a></li>
    129. 

  129.     <li class="member"> <span class="function"><a href="function.call-user-func-array.html" class="function" rel="rdfs-seeAlso">call_user_func_array()</a> - Call a callback with an array of parameters</span></li>
    130. 

  130.    </ul>
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  131.   </p>
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  132.  </div>
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  133. 

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