array_uintersect
(PHP 5, PHP 7)
array_uintersect — Computes the intersection of arrays, compares data by a callback function
Description
array_uintersect ( array $array , array ...$arrays , callable $value_compare_func ) : array
Computes the intersection of arrays, compares data by a callback function.
Parameters
-
array -
The first array.
-
arrays -
Arrays to compare against.
-
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
Return Values
Returns an array containing all the values of array that are present in all the arguments.
Examples
Example #1 array_uintersect() example
<?php
$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "GREEN", "B" => "brown", "yellow", "red");
print_r(array_uintersect($array1, $array2, "strcasecmp"));
?> The above example will output:
Array
(
[a] => green
[b] => brown
[0] => red
)
See Also
- array_intersect() - Computes the intersection of arrays
- array_intersect_assoc() - Computes the intersection of arrays with additional index check
- array_uintersect_assoc() - Computes the intersection of arrays with additional index check, compares data by a callback function
- array_uintersect_uassoc() - Computes the intersection of arrays with additional index check, compares data and indexes by separate callback functions
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.array-uintersect.php