boolval

Function • Params and return types changed in PHP 8.0

Get the boolean value of a variable.

PHP 5.3-5.4

Added

PHP 5.6

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`boolval` Function synopsis

boolval(mixed $value): bool

Parameters

`$value`

Typemixed

The scalar value being converted to a bool.

Return value

Typebool

The bool value of $value.

Changes to the `boolval` Function

PHP 8.0

Return type added: bool
Parameter name of parameter #1 changed: $var to $value
Parameter type added for parameter #1 ($value): mixed

- boolval($var)
+ boolval(mixed $value): bool

PHP 5.5

Function added

`boolval` 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	No
PHP 5.3Unsupported	No