angular.callbacks到PHP的字符串？

I have this data sheet from angular that I want to convert to sting to put in a table sql database...

URL= 'http://lscluster.hockeytech.com/feed/index.php?feed=statviewfeed&view=players&season=60&team=all&position=skaters&rookies=0&statsType=expanded&rosterstatus=undefined&site_id=1&first=0&limit=1185&sort=points&league_id=4&lang=en&division=-1&key=50c2cd9b5e18e390&client_code=ahl&league_id=4&callback=angular.callbacks._q'

Normaly with that code I'm able to parse everything but it returns zero for that URL...

$curl_handle=curl_init();
curl_setopt($curl_handle, CURLOPT_URL, $URL);
curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT, 2);
curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl_handle, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36');
$querymain = curl_exec($curl_handle);
curl_close($curl_handle);

$arr = json_decode((string)$querymain, true);
(json_last_error()); // call after json_decode
$numarr = count($arr['data']);

thanks for the tips.