เป็นฟังก์ชันที่ใช้ใช้งานค่อนข้างบ่อยสำหรับนักพัฒนาระบบ ซึ่งฟังก์นี้สามารถนำไปงานได้เลย เพียงแค่รับวันที่ๆ จะคำนวน ก็ฟังก์ชันก็จะคำนวนให้อัตโนมัติเลยตัวนี้
Code (PHP)
01.<?php02.$dateofbirth = "1987-05-16";03./*04.Calculate age for details05.*/06. 07.function getAges($dateofbirth) {08. 09.$today = date("Y-m-d");10./*11.function12.list : Assign variables as if they were an array.13.explode : Break a string into an array.14.*/15.list($byears, $bmonth, $bday) = explode("-", $dateofbirth);16.list($tyears, $tmonth, $tday) = explode("-", $today);17. 18.if($byears < 1970) {19.$yearad = 1970 - $byears;20.$byears = 1970;21.}else {22.$yearad = 0;23.}24. 25.$mbirth = mktime(0,0,0, $bmonth, $bday, $byears);26.$mtoday = mktime(0,0,0, $tmonth, $tday, $tyears);27. 28.$mage = ($mtoday - $mbirth);29.$wyears = (date("Y", $mage)-1970+$yearad);30.$wmonths = (date("m", $mage)-1);31.$wdays = (date("d", $mage)-1);32. 33.$ystr = ($wyears > 1 ? " YEARS" : " YEAR");34.$mstr = ($wmonths > 1 ? " MONTHS" : " MONTH");35.$dstr = ($wdays > 1 ? " DAYS" : " DAY");36. 37.if($wyears > 0 && $wmonths > 0 && $wdays > 0) {38.$agestr = $wyears.$ystr." ".$wmonths.$mstr." ".$wdays.$dstr;39.}else if($wyears == 0 && $wmonths == 0 && $wdays > 0) {40.$agestr = $wdays.$dstr;41.}else if($wyears > 0 && $wmonths > 0 && $wdays == 0) {42.$agestr = $wyears.$ystr." ".$wmonths.$mstr;43.}else if($wyears == 0 && $wmonths > 0 && $wdays > 0) {44.$agestr = $wmonths.$mstr." ".$wdays.$dstr;45.}else if($wyears > 0 && $wmonths == 0 && $wdays > 0) {46.$agestr = $wyears.$ystr." ".$wdays.$dstr;47.}else if($wyears == 0 && $wmonths > 0 && $wdays == 0) {48.$agestr = $wmonths.$mstr;49.}else {50.$agestr ="";51.}52. 53.return $agestr;54.}55. 56.echo getAges($dateofbirth);Credit by : http://www.ubu.ac.th/ocn_blog/blog/buncha-37
Modify By : DEVPOP