Php/docs/function.array-uintersect
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 $value_compare_func
) : array
Computes the intersection of arrays, compares data by a callback function.
Parameters
array
The first array.
arrays
Arrays to compare against.
value_compare_func
The comparison function must return an integer less than, equal to, or greater than zero if the first argument is considered to be respectively less than, equal to, or greater than the second.
Return Values
Returns an array containing all the values of array
that are present in all the arguments.
Examples
Example #1 array_uintersect() example
<?php$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