PONG<br />
<b>Notice</b>:  Undefined index: json in <b>/var/www/discover/public/index.php</b> on line <b>11</b><br />
<br />
<b>Notice</b>:  Trying to access array offset on value of type null in <b>/var/www/discover/public/index.php</b> on line <b>12</b><br />
<br />
<b>Notice</b>:  Undefined index: msg in <b>/var/www/discover/public/index.php</b> on line <b>12</b><br />
<br />
<b>Notice</b>:  Trying to access array offset on value of type null in <b>/var/www/discover/public/index.php</b> on line <b>12</b><br />
<br />
<b>Notice</b>:  Trying to access array offset on value of type null in <b>/var/www/discover/public/index.php</b> on line <b>13</b><br />