if($data['content']){
$intro = strip_tags($data['content']);//去除html标签
$pattern = '/\s/';//去除空白
$intro = preg_replace($pattern, '', $intro);
$data['desc'] = mb_substr($intro, 0, 120,"UTF-8");//截取120个汉字
}
php富文本保留120汉字
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转载自www.cnblogs.com/fuqian/p/12681943.html
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