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Detailed explanation of THINKPHP interception Chinese string function example code
Detailed explanation of THINKPHP interception Chinese string function example code
In project development, we often encounter string interception problems in English, Chinese and other languages. For example, if the news list page needs a brief introduction to the news content, string interception will be used.
In project development, we often encounter string interception problems in English, Chinese and other languages. For example, if the news list page requires a brief introduction to the news content, string interception is required.
Now I will share with you a prepared string interception function in THINKPHP.
# 函数解释： msubstr($str, $start=0, $length, $charset=”utf-8″, $suffix=true) /* $str:要截取的字符串 $start=0：开始位置，默认从0开始 $length：截取长度 $charset=”utf-8″：字符编码，默认UTF－8 $suffix=true：是否在截取后的字符后面显示省略号，默认true显示，false为不显示 */
Template usage:
{$vo.title|msubstr=0,5,'utf-8',false}Ps: If the function may not exist in the core version, don’t be afraid, Zhufeng will post the code for everyone:
function msubstr($str, $start=0, $length, $charset="utf-8", $suffix=true)
{
if(function_exists("mb_substr")){
if($suffix)
return mb_substr($str, $start, $length, $charset)."...";
else
return mb_substr($str, $start, $length, $charset);
}
elseif(function_exists('iconv_substr')) {
if($suffix)
return iconv_substr($str,$start,$length,$charset)."...";
else
return iconv_substr($str,$start,$length,$charset);
}
$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;
}The above is the detailed content of Detailed explanation of THINKPHP interception Chinese string function example code. For more information, please follow other related articles on the PHP Chinese website!
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