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<?php $arr1 = array(0 => "123",1=>"21"); $arr2 = array(0 => "1",1=>"21",2=>"123"); $arr3 = array_intersect($arr1,$arr2); print_r($arr3);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.25, 8.4.1 - 8.4.12
Array ( [0] => 123 [1] => 21 )
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128.55 ms | 408 KiB | 5 Q