array_uintersect_uassoc() function in PHP

array_uintersect_unassoc() function compares array keys and array values ​​in user-defined functions and returns an array

Syntax

array_uintersect_uassoc(arr1, arr2, arr3, … , compare_func1, compare_func2)

Parameters

• arr1 - The first array to be compared.

• arr2 - The second array to be compared.

• arr3 - More arrays to compare.

• compare_func1 - Comparison function used to compare array keys. If the first argument is considered less than, equal to, or greater than the second argument, an integer less than, equal to, or greater than zero must be returned.

• compare_func2 - Comparison function used to compare array values. If the first argument is considered less than, equal to, or greater than the second argument, an integer less than, equal to, or greater than zero must be returned.

Return value

array_uintersect_uassoc() function returns an array containing all values ​​in the first array that do not appear in other parameters.

Example

The following is an example-

Live Demo

<?php
function compare_func_key($a, $b) {
   if ($a === $b) {
      return 0;
   }
   return ($a > $b)? 1:-1;
}
function compare_func_val($a, $b) {
   if ($a === $b) {
      return 0;
   }
   return ($a > $b)? 1:-1;
}
$arr1 = array("a" => "laptop", "b" => "keyboard", "c" => "mouse");
$arr2 = array("a" => "laptop", "b" => "keyboard", "c" => "headphone");
$res = array_uintersect_uassoc($arr1, $arr2, "compare_func_key", "compare_func_val");
print_r($res);
?>

Output

The following is the output-

ArrayArray
(
[a] => laptop
[b] => keyboard
)

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