array_uintersect_uassoc

(PHP 5, PHP 7, PHP 8)

array_uintersect_uassocComputes the intersection of arrays with additional index check, compares data and indexes by separate callback functions

Description

array_uintersect_uassoc(
    array $array1,
    array ...$arrays,
    callable $value_compare_func,
    callable $key_compare_func
): array

Computes the intersection of arrays with additional index check, compares data and indexes by separate callback functions.

Parameters

array1

The first array.

arrays

Further arrays.

value_compare_func

The comparison function must return an integer less than, equal to, or greater than zero if the first argument is considered to be respectively less than, equal to, or greater than the second.

callback(mixed $a, mixed $b): int
key_compare_func

Key comparison callback function.

Return Values

Returns an array containing all the values of array1 that are present in all the arguments.

Examples

Example #1 array_uintersect_uassoc() example

<?php
$array1 
= array("a" => "green""b" => "brown""c" => "blue""red");
$array2 = array("a" => "GREEN""B" => "brown""yellow""red");

print_r(array_uintersect_uassoc($array1$array2"strcasecmp""strcasecmp"));
?>

The above example will output:

Array
(
    [a] => green
    [b] => brown
)

See Also

  • array_uintersect() - Computes the intersection of arrays, compares data by a callback function
  • array_intersect_assoc() - Computes the intersection of arrays with additional index check
  • array_intersect_uassoc() - Computes the intersection of arrays with additional index check, compares indexes by a callback function
  • array_uintersect_assoc() - Computes the intersection of arrays with additional index check, compares data by a callback function

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