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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

boolval

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Supported Versions: PHP 5 >= 5.5.0, PHP 7, PHP 8
Get the boolean value of a variable
<?php boolval(mixed $value): bool