is_finite
(PHP 4 >= 4.2.0, PHP 5)
is_finite — Finds whether a value is a legal finite number
Description
bool is_finite
( float $val
)
Checks whether val is a legal finite on this platform.
Parameters
- val
-
The value to check
Return Values
TRUE if val is a legal finite number within the allowed range for a PHP float on this platform, else FALSE.
See Also
- is_infinite() - Finds whether a value is infinite
- is_nan() - Finds whether a value is not a number