Php calculates the age based on the birthday, and php calculates the age.

Php calculates the age based on the birthday, and php calculates the age.

This example describes how to calculate the age of a birthday in php. Share it with you for your reference. The details are as follows:

<? Php function birthday ($ birthday) {$ age = strtotime ($ birthday); if ($ age = false) {return false;} list ($ y1, $ m1, $ d1) = explode ("-", date ("Y-m-d", $ age); $ now = strtotime ("now"); list ($ y2, $ m2, $ d2) = explode ("-", date ("Y-m-d", $ now); $ age = $ y2-$ y1; if (int) ($ m2. $ d2) <(int) ($ m1. $ d1) $ age-= 1; return $ age ;} echo birthday ('2017-07-22 ');?>

I hope this article will help you with php programming.