@老虎会游泳，
$get_contents_explode=explode("{分隔符}",$get_contents);
foreach($get_contents_explode as $value) {
preg_match_all('([\w\W]*?)',$value,$host);
$size=trim($host[1][0]);
}
$obj->date=$arr;
echo json_encode($obj,JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);
511