Question

How to use array_intersect_uassoc() function to get intersection of arrays compares indexes callback function in PHP

Answer 1

$arr1 = array("a" => "aaa", "b" => "bbb", "c" => "ccc", "ppp");
$arr2 = array("a" => "AAA", "B" => "bbb", "xyz", "www");

print_r(array_intersect_uassoc($arr1, $arr2, "strcasecmp"));

 
/*
run: 

Array ( [b] => bbb ) 

*/

 

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