covnerted while always true loop to a do while loop

opnsense-carp-dhcp-master.php

@@ -179,7 +179,7 @@ sleep(30);
 # try to sync carp settings to backup node/router
 printf("Starting the CARP Sync. \n");
 printf("Trying to ping sync host, %s. \n", $syncIP);
-while (true) {
+do {
     exec("ping -c 4 " . $syncIP, $output, $result);
     if ($result == 0) {
         printf("Ping is successful. \n");
@@ -187,7 +187,7 @@ while (true) {
     } else {
         printf("Ping unsuccessful. \n");
     }
-}
+} while (true)
 
 printf("Sleeping for 30 seconds. \n");
 sleep(30);