What are some best practices for determining age based on a given date in PHP?

When determining age based on a given date in PHP, a common approach is to calculate the difference between the current date and the given date, and then extract the years from that difference. One way to do this is by using the DateTime class in PHP, which provides convenient methods for date manipulation. 

// Given date in format 'YYYY-MM-DD'
$givenDate = '1990-05-15';

// Create a DateTime object for the given date
$birthdate = new DateTime($givenDate);

// Get the current date
$currentDate = new DateTime();

// Calculate the difference between the current date and the given date
$age = $currentDate->diff($birthdate)->y;

echo "The age based on the given date is: " . $age;

Keywords

strtotime date_diff DateTime age calculation PHP

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