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<?php $array = [ "keyA" => 1, "keyB" => 2, "keyC" => 3 ]; echo "noMatch: " , (int)!!array_intersect_key($array, array_flip(['keyD', 'keyF'])) , "\n"; echo "oneMatch: " , !!array_intersect_key($array, array_flip( ['keyB', 'keyD'])) , "\n"; echo "twoMatches: " , !!array_intersect_key($array, array_flip(['keyA', 'keyC'])) , "\n";
Output for 7.1.25 - 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
noMatch: 0 oneMatch: 1 twoMatches: 1
preferences:
151.5 ms | 407 KiB | 5 Q