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  5.   <title>Constructs a ReflectionFunction object</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="class.reflectionfunction.html">ReflectionFunction</a></div>
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  10.  <div class="next" style="text-align: right; float: right;"><a href="reflectionfunction.export.html">ReflectionFunction::export</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.construct" class="refentry">
    14. 

  14.  <div class="refnamediv">
    15. 

  15.   <h1 class="refname">ReflectionFunction::__construct</h1>
    16. 

  16.   <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">ReflectionFunction::__construct</span> &mdash; <span class="dc-title">Constructs a ReflectionFunction object</span></p>
    17. 

  17. 

  18.  </div>
    19. 

  19. 

  20.  <div class="refsect1 description" id="refsect1-reflectionfunction.construct-description">
    21. 

  21.   <h3 class="title">说明</h3>
    22. 

  22.   <div class="methodsynopsis dc-description">
    23. 

  23.    <span class="modifier">public</span>  <span class="methodname"><strong>ReflectionFunction::__construct</strong></span>
    24. 

  24.     ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$name</code></span>
    25. 

  25.    )</div>
    26. 

  26. 

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

  28.    Constructs a <a href="class.reflectionfunction.html" class="classname">ReflectionFunction</a> object.
    29. 

  29.   </p>
    30. 

  30.  </div>
    31. 

  31. 

  32. 

  33.  <div class="refsect1 parameters" id="refsect1-reflectionfunction.construct-parameters">
    34. 

  34.   <h3 class="title">参数</h3>
    35. 

  35.   <p class="para">
    36. 

  36.    <dl>
    37. 

  37. 

  38.     <dt>
    39. 

  39. 

  40.      <span class="term"><em><code class="parameter">name</code></em></span>
    41. 

  41.      <dd>
    42. 

  42. 

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

  44.        The name of the function to reflect or a <a href="functions.anonymous.html" class="link">closure</a>.
    45. 

  45.       </p>
    46. 

  46.      </dd>
    47. 

  47. 

  48.     </dt>
    49. 

  49. 

  50.    </dl>
    51. 

  51. 

  52.   </p>
    53. 

  53.  </div>
    54. 

  54. 

  55. 

  56.  <div class="refsect1 returnvalues" id="refsect1-reflectionfunction.construct-returnvalues">
    57. 

  57.   <h3 class="title">返回值</h3>
    58. 

  58.   <p class="para">
    59. 

  59.    没有返回值。
    60. 

  60.   </p>
    61. 

  61.  </div>
    62. 

  62. 

  63. 

  64.  <div class="refsect1 errors" id="refsect1-reflectionfunction.construct-errors">
    65. 

  65.   <h3 class="title">错误／异常</h3>
    66. 

  66.   <p class="para">
    67. 

  67.    A <a href="class.reflectionexception.html" class="classname">ReflectionException</a> if the <em><code class="parameter">name</code></em>
    68. 

  68.    parameter does not contain a valid function.
    69. 

  69.   </p>
    70. 

  70.  </div>
    71. 

  71. 

  72. 

  73.  <div class="refsect1 changelog" id="refsect1-reflectionfunction.construct-changelog">
    74. 

  74.   <h3 class="title">更新日志</h3>
    75. 

  75.   <p class="para">
    76. 

  76.    <table class="doctable informaltable">
    77. 

  77.     
    78. 

  78.      <thead>
    79. 

  79.       <tr>
    80. 

  80.        <th>版本</th>
    81. 

  81.        <th>说明</th>
    82. 

  82.       </tr>
    83. 

  83. 

  84.      </thead>
    85. 

  85. 

  86.      <tbody class="tbody">
    87. 

  87.       <tr>
    88. 

  88.        <td>5.3.0</td>
    89. 

  89.        <td>
    90. 

  90.         <em><code class="parameter">name</code></em> can now be a <a href="functions.anonymous.html" class="link">closure</a>.
    91. 

  91.        </td>
    92. 

  92.       </tr>
    93. 

  93. 

  94.      </tbody>
    95. 

  95.     
    96. 

  96.    </table>
    97. 

  97. 

  98.   </p>
    99. 

  99.  </div>
    100. 

  100. 

  101. 

  102.  <div class="refsect1 examples" id="refsect1-reflectionfunction.construct-examples">
    103. 

  103.   <h3 class="title">范例</h3>
    104. 

  104.   <p class="para">
    105. 

  105.    <div class="example" id="example-4981">
    106. 

  106.     <p><strong>Example #1  <span class="methodname"><strong>ReflectionFunction::__construct()</strong></span> example</strong></p>
    107. 

  107.     <div class="example-contents">
    108. 

  108. <div class="phpcode"><code><span style="color: #000000">
    109. 

  109. <span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">/**<br />&nbsp;*&nbsp;A&nbsp;simple&nbsp;counter<br />&nbsp;*<br />&nbsp;*&nbsp;@return&nbsp;&nbsp;&nbsp;&nbsp;int<br />&nbsp;*/<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">counter1</span><span style="color: #007700">()<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;static&nbsp;</span><span style="color: #0000BB">$c&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;++</span><span style="color: #0000BB">$c</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">/**<br />&nbsp;*&nbsp;Another&nbsp;simple&nbsp;counter<br />&nbsp;*<br />&nbsp;*&nbsp;@return&nbsp;&nbsp;&nbsp;&nbsp;int<br />&nbsp;*/<br /></span><span style="color: #0000BB">$counter2&nbsp;</span><span style="color: #007700">=&nbsp;function()<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;static&nbsp;</span><span style="color: #0000BB">$d&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;++</span><span style="color: #0000BB">$d</span><span style="color: #007700">;<br /><br />};<br /><br />function&nbsp;</span><span style="color: #0000BB">dumpReflectionFunction</span><span style="color: #007700">(</span><span style="color: #0000BB">$func</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Print&nbsp;out&nbsp;basic&nbsp;information<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"\n\n===&gt;&nbsp;The&nbsp;%s&nbsp;function&nbsp;'%s'\n"</span><span style="color: #007700">.<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;declared&nbsp;in&nbsp;%s\n"</span><span style="color: #007700">.<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;lines&nbsp;%d&nbsp;to&nbsp;%d\n"</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isInternal</span><span style="color: #007700">()&nbsp;?&nbsp;</span><span style="color: #DD0000">'internal'&nbsp;</span><span style="color: #007700">:&nbsp;</span><span style="color: #DD0000">'user-defined'</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getName</span><span style="color: #007700">(),<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getFileName</span><span style="color: #007700">(),<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getStartLine</span><span style="color: #007700">(),<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getEndline</span><span style="color: #007700">()<br />&nbsp;&nbsp;&nbsp;&nbsp;);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Print&nbsp;documentation&nbsp;comment<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"---&gt;&nbsp;Documentation:\n&nbsp;%s\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">var_export</span><span style="color: #007700">(</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getDocComment</span><span style="color: #007700">(),&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">));<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Print&nbsp;static&nbsp;variables&nbsp;if&nbsp;existant<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">if&nbsp;(</span><span style="color: #0000BB">$statics&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getStaticVariables</span><span style="color: #007700">())<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"---&gt;&nbsp;Static&nbsp;variables:&nbsp;%s\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">var_export</span><span style="color: #007700">(</span><span style="color: #0000BB">$statics</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">));<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;Create&nbsp;an&nbsp;instance&nbsp;of&nbsp;the&nbsp;ReflectionFunction&nbsp;class<br /></span><span style="color: #0000BB">dumpReflectionFunction</span><span style="color: #007700">(new&nbsp;</span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #DD0000">'counter1'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">dumpReflectionFunction</span><span style="color: #007700">(new&nbsp;</span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #0000BB">$counter2</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
    110. 

  110. </span>
    111. 

  111. </code></div>
    112. 

  112.     </div>
    113. 

  113. 

  114.     <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    115. 

  115.     <div class="example-contents screen">
    116. 

  116. <div class="cdata"><pre>
    117. 

  117. ===&gt; The user-defined function &#039;counter1&#039;
    118. 

  118.      declared in Z:\reflectcounter.php
    119. 

  119.      lines 7 to 11
    120. 

  120. ---&gt; Documentation:
    121. 

  121.  &#039;/**
    122. 

  122.  * A simple counter
    123. 

  123.  *
    124. 

  124.  * @return    int
    125. 

  125.  */&#039;
    126. 

  126. ---&gt; Static variables: array (
    127. 

  127.   &#039;c&#039; =&gt; 0,
    128. 

  128. )
    129. 

  129. 

  130. 

  131. ===&gt; The user-defined function &#039;{closure}&#039;
    132. 

  132.      declared in Z:\reflectcounter.php
    133. 

  133.      lines 18 to 23
    134. 

  134. ---&gt; Documentation:
    135. 

  135.  &#039;/**
    136. 

  136.  * Another simple counter
    137. 

  137.  *
    138. 

  138.  * @return    int
    139. 

  139.  */&#039;
    140. 

  140. ---&gt; Static variables: array (
    141. 

  141.   &#039;d&#039; =&gt; 0,
    142. 

  142. )
    143. 

  143. </pre></div>
    144. 

  144.     </div>
    145. 

  145.    </div>
    146. 

  146.   </p>
    147. 

  147.  </div>
    148. 

  148. 

  149. 

  150.  <div class="refsect1 seealso" id="refsect1-reflectionfunction.construct-seealso">
    151. 

  151.   <h3 class="title">参见</h3>
    152. 

  152.   <p class="para">
    153. 

  153.    <ul class="simplelist">
    154. 

  154.     <li class="member"> <span class="methodname"><a href="reflectionmethod.construct.html" class="methodname" rel="rdfs-seeAlso">ReflectionMethod::__construct()</a> - Constructs a ReflectionMethod</span></li>
    155. 

  155.     <li class="member"><a href="language.oop5.decon.html#language.oop5.decon.constructor" class="link">Constructors</a></li>
    156. 

  156.    </ul>
    157. 

  157.   </p>
    158. 

  158.  </div>
    159. 

  159. 

  160. 

  161. </div><hr /><div class="manualnavbar" style="text-align: center;">
    162. 

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    163. 

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    164. 

  164.  <div class="up"><a href="class.reflectionfunction.html">ReflectionFunction</a></div>
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