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<?php $FILE[0] = ['artist' => 'a,b']; $FILE[1] = ['artist' => 'c']; $merged = []; for($i=0;$i<2;$i++) { $artist = explode(',', $FILE[$i]['artist']); // Because Artist names saved like this `A,B` in first row and `A,B,C` in second. $merged = array_unique(array_merge($merged, $artist)); } print_r($merged);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 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
Array ( [0] => a [1] => b [2] => c )
preferences:
57.86 ms | 1495 KiB | 4 Q