I returned an array of JSON data type from javascript to PHP, I used json_decode($data, true) to convert it to an associa
This may help you!
$latlng='{"lat":29.5345741,"lng":75.0342196}';
$latlng=json_decode($latlng,TRUE); // array
echo "Lat=".$latlng['lat'];
echo '
';
echo "Lng=".$latlng['lng'];
echo '
';
$latlng2='{"lat":29.5345741,"lng":75.0342196}';
$latlng2=json_decode($latlng2); // object
echo "Lat=".$latlng2->lat;
echo '
';
echo "Lng=".$latlng2->lng;
echo '
';