array_diff_uassoc

FunctionParams and return types changed in PHP 8.0

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

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2
PHP 8.3
PHP 8.4
PHP 8.5

array_diff_uassoc Function synopsis

array_diff_uassoc(array $array, ...$rest): array

Parameters

$array

Typearray

The array to compare from

$rest

Variadic, Optional

Arrays to compare against

Return value

Typearray

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

Changes to the array_diff_uassoc Function

PHP 8.0

  • Return type added: array
  • Parameter count changed: 3 to 2
  • Parameter removed - #3: $callback_data_comp_func
-array_diff_uassoc(
-    $arr1,
-    $arr2,
-    $callback_data_comp_func
-  )
+array_diff_uassoc(array $array, ...$rest): array

array_diff_uassoc Function Availability

PHP VersionAvailability
PHP 8.5Future Release Yes
PHP 8.4Upcoming Release Yes
PHP 8.3Supported (Latest) Yes
PHP 8.2Supported Yes
PHP 8.1Security-Fixes Only Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes