validate age using dob in php code example
Example: php get age from dob
Simple method for calculating Age from dob: $_age = floor((time() - strtotime('1986-09-16')) / 31556926); 31556926 is the number of seconds in a year.Simple method for calculating Age from dob: $_age = floor((time() - strtotime('1986-09-16')) / 31556926); 31556926 is the number of seconds in a year.