Get age from the birthday with php (very easy and simple)

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Get age from the birthday with php (very easy and simple)
Get age from the birthday with php (very easy and simple)

we have already explained how you can get age from provide date now will focus more on how to validate date of birth today

now this function is basically validate date and finds the age from date_diff function in php

We are going to use the function we applied in date validation in How to do date validation in php (special function)

The simple function that does the work

then we apply a little tweak to get what we want
this function makes sure that the date parameters are integers

 <?php 
function get_age($date){
	$dateparameters = array();
	$date = preg_replace("/[^0-9\']/", ",", $date);	
	$date = explode(',', $date);
	$age = '';
	if(count($date) == 3){
    for ($i = 0; $i < 3; ++$i) {
        $dateparameters []= $date[$i];
    }
	
	$year = $dateparameters[0];
	$month = $dateparameters[1];
	$actualmonth = $dateparameters[1];
	$actualday = $dateparameters[2];
	$actualdate = $year.'-'.$month.'-'.$actualday;
	$day = cal_days_in_month(CAL_GREGORIAN, $month, $year);

	$day = range(1, $day); // day range
	$month = range(1, 12); // month range
	
	if(in_array($actualday, $day) && in_array($actualmonth, $month)){ //Check if actual month and day is in range of days that should be in the provided month of the given year
		$origin = date_create($actualdate); // create the date of birth in proper date parameters
		$target = date_create(date('Y-m-d')); // creates the current day from the user is calculating from
		$age = date_diff($target, $origin);
		$age = intval($age->format('%y'));
	}
		
	}
return $age;
}
?>

HOW TO APPLY IT

let’s apply this in our work

you can echo this function since it just integer that is expected from it

we can still program a logic to check if it empty or not

 
<?php
$birthdate = '2016-10-29';
if(!empty(get_age($birthdate))){
	echo 'since you are born in '.$birthdate.' your age is: <b>'. get_age($birthdate).' years</b> Older';
}else{
	echo $birthdate.' is invalid date of birth';
}
?>

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