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Validate any date format with PHP

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  1. public static function validateDate( $date, $format='YYYY-MM-DD')
  2.     {
  3.         switch( $format )
  4.         {
  5.             case 'YYYY/MM/DD':
  6.             case 'YYYY-MM-DD':
  7.             list( $y, $m, $d ) = preg_split( '/[-\.\/ ]/', $date );
  8.             break;
  9.  
  10.             case 'YYYY/DD/MM':
  11.             case 'YYYY-DD-MM':
  12.             list( $y, $d, $m ) = preg_split( '/[-\.\/ ]/', $date );
  13.             break;
  14.  
  15.             case 'DD-MM-YYYY':
  16.             case 'DD/MM/YYYY':
  17.             list( $d, $m, $y ) = preg_split( '/[-\.\/ ]/', $date );
  18.             break;
  19.  
  20.             case 'MM-DD-YYYY':
  21.             case 'MM/DD/YYYY':
  22.             list( $m, $d, $y ) = preg_split( '/[-\.\/ ]/', $date );
  23.             break;
  24.  
  25.             case 'YYYYMMDD':
  26.             $y = substr( $date, 0, 4 );
  27.             $m = substr( $date, 4, 2 );
  28.             $d = substr( $date, 6, 2 );
  29.             break;
  30.  
  31.             case 'YYYYDDMM':
  32.             $y = substr( $date, 0, 4 );
  33.             $d = substr( $date, 4, 2 );
  34.             $m = substr( $date, 6, 2 );
  35.             break;
  36.  
  37.             default:
  38.             throw new Exception( "Invalid Date Format" );
  39.         }
  40.         return checkdate( $m, $d, $y );
  41.     }

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