array_combine

Function • Params and return types changed in PHP 8.0

Creates an array by using one array for keys and another for its values.

PHP 5

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`array_combine` Function synopsis

array_combine(array $keys, array $values): array

Parameters

`$keys`

Typearray

Array of keys to be used. Illegal values for key will be converted to string.

`$values`

Typearray

array of values to be used

Return value

Typearray

Returns the combined array.

Changes to the `array_combine` Function

PHP 8.0

Return type added: array
Parameter type added for parameter #1 ($keys): array
Parameter type added for parameter #2 ($values): array

- array_combine($keys, $values)
+ array_combine(array $keys, array $values): array

`array_combine` Function Availability

PHP Version	Availability
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