PHP判断一个字符串是否是回文字符串
- WBOYOriginal
- 2016-06-13 10:16:151378browse
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 |
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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); ?> |
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