is_finite
(PHP 4 >= 4.2.0, PHP 5)
is_finite — Finds whether a value is a legal finite number
Описание
bool is_finite
( float $val
)
Список параметров
-
val
-
The value to check
Возвращаемые значения
TRUE if val
is a legal finite
number within the allowed range for a PHP float on this platform,
else FALSE.