欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  后端开发

几个好用的截取字符串的php函数分享_PHP教程

程序员文章站 2024-01-11 11:14:10
...
分享几个好用的PHP 截取字符串函数(支持gb2312和utf-8)。


 mysubstr(, ,  = "" =  + ( = 0;  ; ++(((, , 1)) > 0xa0 .= (, , 2++ 
 .= (, , 1 ?>


 utf8Substr(, ,  ('#^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'..'}'. 
'((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'..'}).*#s', 
'$1',?>



 cut_str(, ,  = 0,  = 'UTF-8'( == 'UTF-8' = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xef][\x80-\xbf][\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]|[\xf1-\xf7][\x80-\xbf][\x80-\xbf][\x80-\xbf]/"(, , (([0]) -  > )  ('', ([0], , ))."..." ('', ([0], ,  = *2 = *2 = ( = ''(=0; ; ++(>= && +(((, , 1))>129.= (, , 2.= (, , 1(((, , 1))>129) ++(() ) .= "..."  = "abcd需要截取的字符串" cut_str(, 8, 0, 'gb2312'?>

 
* @param string $String the string to cut. 
* @param int $Length the length of returned string. 
* @param booble $Append whether append "...": false|true 
* @return string the cutted string. 
* @by www.jbxue.com
 
 sysSubStr(,, =  (()   = 0 (  = (,,1 ( () >=224 = (,,3 =  + 3( () >=192 = (,,2 =  + 2 =  + 1[] =  = ("",( .= "..."  = "book.chinaz.com -- 站长书库、站长教程" = "18" =  sysSubStr(,,?>

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/440270.htmlTechArticle分享几个好用的PHP 截取字符串函数(支持gb2312和utf-8)。 ? mysubstr( , , = "" = + ( = 0; ; ++ ( ( ( , , 1)) 0xa0 .= ( , , 2 ++ .= ( , , 1 ? ? utf8Substr( , , ('#^(?:...