Check for Root permissions on bash

checkroot.sh

function checkroot {
  showlogo && sleep 1
  if [[ $(id -u) = 0 ]]; then
    echo -e " Checking For ROOT: ${g}PASSED${endc}"
  else
    echo -e " Checking For ROOT: ${r}FAILED${endc}
 ${y}This Script Needs To Run As ROOT${endc}"
    echo -e " ${b}Lockdoor Installer${enda} Will Now Exit"
    echo
    sleep 1
    exit
  fi
}