reset

FunctionParams and return types changed in PHP 8.0

Set the internal pointer of an array to its first element.

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

reset Function synopsis

reset(object|array &$array): mixed

Parameters

$array

Passed by referenceTypeobject|array

The input array.

Note that the parameter $array is passed by reference, and contains additional/updated context data that may be useful.

Return value

Typemixed

Returns the value of the first array element, or false if the array is empty.

Changes to the reset Function

PHP 8.0

  • Return type added: mixed
  • Parameter name of parameter #1 changed: $arg to $array
  • Parameter type added for parameter #1 ($array): object|array
- reset(&$arg)
+ reset(object|array &$array): mixed

reset 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