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<?php $from = [0 => "Vorname", 1 => "Nachname", 2 => "Strasse", 3 => "PLZ"]; $to = [0 => "Vorname", 1 => "Nachname"]; print_r(array_diff($from, $to));
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [2] => Strasse [3] => PLZ )
preferences:
194.35 ms | 404 KiB | 259 Q