array_shift
Function • Params and return types changed in PHP 8.0
Shift an element off the beginning of array.
array_shift Function synopsis
array_shift(array &$array): mixedParameters
$array
Passed by referenceTypearray
The input array.
Note that the parameter
$arrayis passed by reference, and contains additional/updated context data that may be useful.
Return value
Typemixed
Returns the shifted value, or null if $array is
empty or is not an array.
Changes to the array_shift Function
PHP 8.0
- Return type added:
mixed - Parameter name of parameter #1 changed:
$stackto$array - Parameter type added for parameter #1 (
$array):array
- array_shift(&$stack)
+ array_shift(array &$array): mixedarray_shift Function Availability
array_shift 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 |