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php使用for语句输出三角形的方法,phpfor语句三角形

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Release: 2016-06-13 09:02:17
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php使用for语句输出三角形的方法,phpfor语句三角形

本文实例讲述了php使用for语句输出三角形的方法。分享给大家供大家参考。具体实现方法如下:

<&#63;php
 //phpinfo();
  function Dis($num)
  {
    if($num<=0)
    return;
    $tmpRow=0;
    for($i=1;$i<=$num;$i++)
    {
      $tmpRow=$i<=$num/2 &#63; $i:$num-$i+1;
      echo str_repeat('*',2*$tmpRow-1).'<br />';
    }
  }
  Dis(19);
&#63;>

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希望本文所述对大家的php程序设计有所帮助。

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