不知是字符集的有关问题还是算法有关问题

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Release: 2016-06-13 12:49:41
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不知是字符集的问题还是算法问题

<br />
for($r=1;$r<=$rows;$r++){<br />
    for($n=$rows;$n>$r;$n--){<br />
	echo "&nbsp";<br />
	}<br />
    for($m=0;$m<$r ;$m++){<br />
	echo "*";<br />
	}<br />
echo "<br>";<br />
}
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为了实现
但是现在变成了

是我算法的问题吗?我用IE浏览器打开,默认GB2312字符集的话显示的就是正确的,UTF-8显示的就是不对。
请问是字符集的问题才出现这样的情况吗,如何解决?谢谢!~


------解决方案--------------------
当然不是算法问题!
本来这种题目是在文本方式下测试的,你放到html中当然是要有些问题的
$rows = 12;<br />
echo '<pre class="brush:php;toolbar:false">';<br />
for($r=1;$r<=$rows;$r++){<br />
  for($n=$rows;$n>$r;$n--){<br />
    echo " ";<br />
  }<br />
  for($m=0;$m<$r ;$m++){<br />
    echo "*";<br />
  }<br />
  echo PHP_EOL;<br />
}
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这样就不变形了

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