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<?php $belongs = ['Rina'=>'volleyball', 'Emilia'=>'karate', 'Sala'=>'basketball', 'Franchesca'=>'tennis', 'Julia'=>'fencing']; $clubs = ['tennis','volleyball','basketball','football']; var_dump(array_intersect($belongs, $clubs));
Output for 8.0.1 - 8.0.30, 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(3) { ["Rina"]=> string(10) "volleyball" ["Sala"]=> string(10) "basketball" ["Franchesca"]=> string(6) "tennis" }
preferences:
85.42 ms | 407 KiB | 5 Q