ailinykh

#!/bin/bash

USER='root'
PASSWORD='qwerty'

# function 1
function send_message_to_ip {
  IP=$1
  COUNT=$(ping -c 2 $IP | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }')
  if [ $COUNT -eq 0 ]

ailinykh

<?php
        /**
         *  Distance
         *
         *  @return distance betweeb two points in meters
         */
        public function distance($lat1,$long1,$lat2,$long2) 
        {
                $greatCircleRadius = 6372795;