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<?php $dateofbirth = '11/80'; list($dd,$mm,$yyyy) = explode('/',$dateofbirth); if (!checkdate($mm,$dd,$yyyy)) { echo 'this should fail!'; } else echo 'passed valid date?';
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined array key 2 in /in/CXhYf on line 3 Deprecated: checkdate(): Passing null to parameter #3 ($year) of type int is deprecated in /in/CXhYf on line 4 this should fail!
Output for 8.0.0 - 8.0.30
Warning: Undefined array key 2 in /in/CXhYf on line 3 this should fail!
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 2 in /in/CXhYf on line 3 this should fail!
Output for 7.3.32 - 7.3.33
this should fail!

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