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<?php $snubmers = array(); for ( $i = 0; $i < 199; $i++ ) { $snumber = str_split( substr( md5( $i ), 0, 9 ) ); array_splice( $snumber, 3, 0, '-' ); array_splice( $snumber, 7, 0, '-' ); $snumbers[] = strtoupper( implode( '', $snumber ) ); } print_r( $snumbers );

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47.28 ms | 402 KiB | 5 Q