call_user_func_array

FunctionParams and return types changed in PHP 8.0

Call a callback with an array of parameters.

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

call_user_func_array Function synopsis

call_user_func_array(callable $callback, array $args): mixed

Parameters

$callback

Typecallable

The callable to be called.

$args

Typearray

The parameters to be passed to the callback, as an array.

Return value

Typemixed

Returns the return value of the callback, or false on error.

Changes to the call_user_func_array Function

PHP 8.0

  • Return type added: mixed
  • Parameter name of parameter #1 changed: $function_name to $callback
  • Parameter type added for parameter #1 ($callback): callable
  • Parameter name of parameter #2 changed: $parameters to $args
  • Parameter type added for parameter #2 ($args): array
- call_user_func_array($function_name, $parameters)
+ call_user_func_array(callable $callback, array $args): mixed

call_user_func_array 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