← All built-ins / is_finite()
is_finite()
is_finite(mixed $number): bool
Parameters
| Name | Type | Description |
|---|---|---|
| $number | float | value to test |
Return value
true when the value is neither infinite nor NaN.
Example
var_dump(is_finite(1.5)); var_dump(is_finite(log(0)));
bool(true) bool(false)