Home > PHP > Function > Arrays > array_diff_uassoc()

array_diff_uassoc()

array_diff_uassoc - Computes the difference of arrays with additional index check which is performed by a user supplied callback function

Syntax

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

Arguments

  • array1 - The array to compare from
  • array2 - An array to compare against
  • ... - More arrays to compare against
  • key_compare_func - callback function to use. The callback 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.

Description

Compares array1 against array2 and returns the difference. Unlike array_diff() the array keys are used in the comparison.

Version

PHP 5

Return value

Returns an array containing all the entries from array1 that are not present in any of the other arrays.