← All built-ins / boolval()
boolval()
boolval(mixed $number): bool
Parameters
| Name | Type | Description |
|---|---|---|
| $v | mixed | value to convert |
Return value
PHP truthiness: 0, "", "0", [] and null are false; everything else true.
Example
var_dump(boolval(1));
var_dump(boolval(""));
var_dump(boolval("0"));
var_dump(boolval("a"));bool(true) bool(false) bool(false) bool(true)