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run code in 200+ php & hhvm versions
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<?php $dateofbirth = '30/11/1990'; list($dd,$mm,$yyyy) = explode('/',$dateofbirth); if (!checkdate($mm,$dd,$yyyy)) { echo 'this should fail!'; } else echo 'passed valid date?';
based on ZPRnV
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
passed valid date?