array_intersect_uassoc()

array_intersect_uassoc - Computes the intersection of arrays with additional index check, compares indexes by a callback function

Syntax

array array_intersect_uassoc (array $array1, array $array2, array $ ..., callback $key_compare_func)

Arguments

• array1 - Initial array for comparison of the arrays.
• array2 - First array to compare keys against.
• ... - Variable list of array arguments to compare values against.
• key_compare_func - User supplied callback function to do the comparison.

Description

array_intersect_uassoc() returns an array containing all the values of array1 that are present in all the arguments. Note that the keys are used in the comparison unlike in array_intersect().

Version

PHP 5

Return value

Returns the values of array1 whose values exist in all of the arguments.