is_bool

This function determines whether the provided value is a bool or not.

This function does not generate an event.

This function has a deprecated alias isbool which will be removed in the next minor release.

Function

is_bool(value)

Arguments

Argument Type Description
value any (required) The value to be tested.

Return value

Returns true if the given value is a boolean, else it returns false.

Example

This code shows some return values for is_bool():

[
    is_bool( true ),
    is_bool( 'true' ),
    is_bool( nil ),
];

Return value in JSON format

[
    true,
    false,
    false
]