PHP game server for TerranQuest (version 1) https://terranquest.net
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<?php
// Validate input
if (is_empty($VARS['lat']) || is_empty($VARS['long'])) {
sendError("Missing information.", true);
}
if (!preg_match('/-?[0-9]{1,3}\.[0-9]{2,}/', $VARS['lat'])) {
sendError("Latitude (lat) is in the wrong format.", true);
}
if (!preg_match('/-?[0-9]{1,3}\.[0-9]{2,}/', $VARS['long'])) {
sendError("Longitude (long) is in the wrong format.", true);
}