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<?php $dt = '2011-12-17 09:30:56'; var_export( preg_split('/\D+/', $dt) );
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => '2011', 1 => '12', 2 => '17', 3 => '09', 4 => '30', 5 => '56', )
preferences:
52.83 ms | 406 KiB | 5 Q