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run code in 150+ php & hhvm versions
Bugs & Features
<?php function IsDate( $Str ) { $Stamp = strtotime( $Str ); $Month = date( 'm', $Stamp ); $Day = date( 'd', $Stamp ); $Year = date( 'Y', $Stamp ); return checkdate( $Month, $Day, $Year ); } echo IsDate('1.1.A');
Output for 4.3.0 - 7.1.0
1