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<?php $a = [2,3,4,5,6,7]; $b = [11,64,2,5,8]; $c = 7; var_dump( array_intersect ( $a, $b )); var_dump( array_intersect ( $a, (array)$c ));
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 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) { [0]=> int(2) [3]=> int(5) } array(1) { [5]=> int(7) }
preferences:
177.29 ms | 404 KiB | 211 Q