ktyr report

生年月日から年齢を算出する

■PHP

$birth = '1952-01-26 00:00:00';
$age = (int) ((date('Ymd') - preg_replace('/([\- ]|[0-9]{2}:[0-9]{2}:[0-9]{2})/','',$birth)) / 10000);
echo $age;

結果

65

■MySQL

new_users

SQL

SELECT
id,
name,
birth,
DATE_FORMAT(birth, '%Y%m%d') AS tmp_birth,
DATE_FORMAT(NOW(), '%Y%m%d') AS now_date,
FLOOR((DATE_FORMAT(NOW(), '%Y%m%d') - DATE_FORMAT(birth, '%Y%m%d')) / 10000) AS age
FROM new_users
ORDER BY id ASC

結果