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<?php $getValue = '1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,5'; if (is_string($getValue)) { $result = max(array_count_values(array_filter(explode(',', $getValue)))); } if ($result > 1) { echo 'Duplicate items were found!'; } else { echo 'No Duplicate'; }
Output for 7.3.14, 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Duplicate items were found!
preferences:
97.95 ms | 1248 KiB | 4 Q