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Variable handling Functions

boolval debug_zval_dump doubleval floatval get_debug_type get_defined_vars get_resource_id get_resource_type gettype intval is_array is_bool is_callable is_countable is_double is_float is_int is_integer is_iterable is_long is_null is_numeric is_object is_resource is_scalar is_string print_r serialize settype strval unserialize var_dump var_export

is_bool

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Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Finds out whether a variable is a boolean
<?php is_bool(mixed $value): bool
<?php         return

            is_numeric($target) ||

            is_string($target) ||

            is_bool($target) ||

            is_null($target);

    }
src/Drawer/BaseUtils.php