php过滤处理手机自带Emoji表情
// 过滤掉emoji表情 public function filterEmoji($str){ $str = preg_replace_callback(‘/./u‘,function(array $match){ return strlen($match[0]) >= 4 ? ‘‘ : $match[0]; },$str); return $str; }
$content=$this->filterEmoji($content); if(empty($content)){$content=‘..‘;}
原文地址:http://xuqin.blog.51cto.com/5183168/1911729