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run code in 150+ php & hhvm versions
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<?php function lastWeekDay ($mnt) { $result = strtotime("last day of $mnt"); $day = date('D', $result); if ('Sun' === $day) { $result -= 86400 * 2; } if ('Sat' === $day) { $result -= 86400; } return $result; } $var = '20/04/2012'; $date = str_replace('/', '-', $var); echo date('Y-m-d', strtotime($date));
Output for 5.1.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2012-04-20
Output for 5.1.0 - 5.1.2
1970-01-01
Output for 4.3.0 - 5.0.5
2025-10-03