php字符串截取函数,支持中文 utf-8截取
发布时间：2022-06-16 09:48:26 所属栏目：PHP教程 来源：互联网
导读：!doctype html public -//w3c//dtd xhtml 1.0 transitional//en http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd html xmlns=http://www.w3.org/1999/xhtml head meta http-equiv=content-type content=text/html; charset=utf-8 / titleenvironme
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<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <title>environment</title> </head> <?php $str = "中12hb千钧一发lap"; echo mb_substr($str,0,5,'utf-8');echo '<br>'; echo mb_substr($str,5,3,'utf-8');echo '<br>'; echo mb_substr($str,8,4,'utf-8'); ?> <body> </body> </html> <?php function str_wrap1($str,$elen=30) { $tlen = mb_strlen($str,"utf8"); //共有多少字 //$elen = 8; //每行字符串长度8个字符、4个汉字 $dlen = 0; //每行显示长度 $str_wrap = ''; for($i=0;$i<$tlen;$i++) { $tmpchar = mb_substr($str,$i,1,"utf8"); if(strlen($tmpchar) == 3) $charlen = 2; else $charlen = 1; if( $dlen < $elen-1 ) { $dlen += $charlen; $str_wrap .= $tmpchar; }//开源软件:phpfensi.com else { $str_wrap .= "<br>".$tmpchar; $dlen = $charlen; } } return $str_wrap; } echo str_wrap1($str,5); ?> （编辑：南阳站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
