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PHP intercepts Chinese without garbled characters_PHP tutorial
- WBOYOriginal
- 2016-07-14 10:08:54856browse
这段代码好像是thinkphp里面的
/**
+------------------------------------------------ ------------
* 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_substrs")){
$slice = mb_substr($str, $start, $length, $charset);
}elseif(function_exists('iconv_substr')) {
$slice = iconv_substr($str,$start,$length,$charset);
}else{ www.2cto.com
$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, $length));
}
if($suffix) return $slice."…";
return $slice;
}
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