mysql数据库保存微信emoji表情
/*
* 过滤表情
* */
public function parseEmojiTounicode($stremoji){
$text = preg_replace_callback('/[\xf0-\xf7].{3}/', function($r) { return '@E' . base64_encode($r[0]);}, $stremoji);
return $text;
}
/*
* 解析表情
* */
public function parseHtmlemoji ($text)
{
$text_r = preg_replace_callback('/@E(.{6}==)/', function($r) {return base64_decode($r[1]);}, $text);
return $text_r;
}