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PHP判断一个字符串是否是回文字符串_PHP教程

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Release： 2016-07-13 17:15:34
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本文章给大家介绍一个实例，用来判断字符串是不是为回文字符串，有需要了解的朋友可参考参考。

代码如下 复制代码
function ishuiwen($str){
$len=strlen($str);
$l=1;
$k=intval($len/2)+1;
for($j=0;$j if (substr($str,$j,1)!=substr($str,$len-$j-1,1))
{
$l=0;
break;
}


}
if ($l==1)
{
return 1;
}
else
{
return -1;
}
}

$str=12321;
echo ishuiwen($str);
?>

www.bkjia.com true http://www.bkjia.com/PHPjc/628807.html TechArticle 本文章给大家介绍一个实例，用来判断字符串是不是为回文字符串，有需要了解的朋友可参考参考。 代码如下 复制代码 ?php function ishuiwen...
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