//utf8mb4表情转换，用于存储function textEncode($text){$txtContent=json_encode($text);//\\\u[0-9a-f]{4}$txtContent=preg_replace_callback ('#(\\\u263a|\\\u2728|\\\u2b50|\\\u2753|\\\u270a|\\\u261d|\\\u2757|\\\ud[0-9a-f]{3}\\\ud[0-9a-f]{3})#',function($matches){ return  addslashes($matches[1]);}, $txtContent);$txtContent=json_decode($txtContent);return $txtContent;}//表情反转，用于显示function textDecode($text){$txtContent=json_encode($text);$txtContent=preg_replace_callback ('#(\\\u263a|\\\u2728|\\\u2b50|\\\u2753|\\\u270a|\\\u261d|\\\u2757|\\\ud[0-9a-f]{3})#',function($matches){ print_r($matches);return  stripslashes($matches[1]);}, $txtContent);$txtContent=json_decode($txtContent);return $txtContent;}
$table = '