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php实现过滤字符串中的中文和数字实例

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WBOYOriginal
2016-06-06 19:50:011653browse

这篇文章主要介绍了php实现过滤字符串中的中文和数字的方法,实例分析了php操作中文和数字匹配的相关技巧,具有一定参考借鉴价值,需要的朋友可以参考下

本文实例讲述了php实现过滤字符串中的中文和数字。分享给大家供大家参考。具体实现方法如下:

function getChinese($string,$encode="GBK") { switch($encode){ case "GBK" :$codelength=2;break; case "GB2312" :$codelength=3;break; case "UTF-8" :$codelength=3;break; case "UTF-16" :$codelength=4;break; } $tmpstr = ''; $arr = array(1,2,3,4,5,6,7,8,9,0); $strlen = strlen($string); for($i=0; $i0xA0 ){ $tmpstr.= substr($string, $i, $codelength); $i = $i+$codelength-1; } } return $tmpstr; }

希望本文所述对大家的php程序设计有所帮助。

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