array_udiff_uassoc

Function • Params and return types changed in PHP 8.0

Computes the difference of arrays with additional index check, compares data and indexes by a callback function.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

array_udiff_uassoc Function synopsis

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

Parameters

$array

Typearray

The first array.

$rest

Variadic, Optional

Arrays to compare against.

Return value

Typearray

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

Changes to the array_udiff_uassoc Function

PHP 8.0

  • Return type added: array
  • Parameter count changed: 4 to 2
  • Parameter removed - #3: $callback_data_comp_func
  • Parameter removed - #4: $callback_key_comp_func
-array_udiff_uassoc(
-    $arr1,
-    $arr2,
-    $callback_data_comp_func,
-    $callback_key_comp_func
-  )
+array_udiff_uassoc(array $array, ...$rest): array

array_udiff_uassoc Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported 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