How to write PHP Client for accessing HTTP interface of SMS Gateway?

• 1) Run the following command on your system
  curl --tlsv1.2 https://msdgweb.mgov.gov.in/esms/sendsmsrequest
  
  2) If you get message "GET Method Not Supported" then it is SUCCESS!!! your system supports TLSv1.2 and you can use the below code by uncommenting/commenting specified lines in the below given code
  
  3) If step 1 is not successful then run the following command
  curl --tlsv1.1 https://msdgweb.mgov.gov.in/esms/sendsmsrequest
  
  4) If you get message "GET Method Not Supported" then it is SUCCESS!!! your system supports TLSv1.1 and you can use the below code by uncommenting/commenting specified lines in the below given code
  
  5) If step 1 and 3 are not successful you need to upgrade your openssl libraries for system to suppot TLSv1.1 or TLSv1.2
  
  Click to download the PHP code file(Size:8KB)