PHP interception string function sharing that supports Chinese and other encodings_PHP tutorial

This article mainly introduces examples of PHP interception string functions that support Chinese and other encodings (interception of Chinese strings). Friends in need can refer to it

Simple string interception method, supports Chinese and other encodings, just call it directly by passing in the corresponding parameters. The code is as follows: /*** String interception, supports Chinese and other encodings * @static * @access public * @param string $str The string to be converted * @param string $start starting position * @param string $length intercept length * @param string $charset encoding format * @param string $suffix truncate display characters * @return string ​*/ function msubstr($str, $start=0, $length, $charset="utf-8", $suffix=true) { if(function_exists("mb_substr")) $slice = mb_substr($str, $start, $length, $charset); elseif(function_exists('iconv_substr')) { $slice = iconv_substr($str,$start,$length,$charset); if(false === $slice) {                 $slice = ''; } } }else{ $re['utf-8'] = "/[x01-x7f]|[xc2-xdf][x80-xbf]|[xe0-xef][x80-xbf]{2}|[xf0-xff][x80 -xbf]{3}/"; $re['gb2312'] = "/[x01-x7f]|[xb0-xf7][xa0-xfe]/"; $re['gbk'] = "/[x01-x7f]|[x81-xfe][x40-xfe]/"; $re['big5'] = "/[x01-x7f]|[x81-xfe]([x40-x7e]|xa1-xfe])/"; Preg_match_all($re[$charset], $str, $match); $slice = join("",array_slice($match[0], $start, $length)); } Return $suffix ? $slice.'...' : $slice; } ​

http://www.bkjia.com/PHPjc/741454.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/741454.htmlTechArticleThis article mainly introduces examples of php interception string functions that support Chinese and other encodings (interception of Chinese strings) , Friends who need it can refer to the simple string interception method, which is supported...