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is_array( )函数?该如何处理

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Release: 2016-06-13 12:36:12
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is_array( )函数?
http://docs.php.net/manual/zh/function.in-array.php


<br />
<?<br />
      $x=array(1,2,3);<br />
      $y=is_array(1,$x);<br />
      echo $y;<br />
?><br />
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php程序,为什么出错?

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