PHP K�sikirja
Edellinen |  | Seuraava

# is_infinite

(PHP 4 >= 4.2.0, PHP 5)

is_infinite -- Finds whether a value is infinite

## Description

bool is_infinite ( float val )

Returns `TRUE` if val is infinite (positive or negative), like the result of log(0) or any value too big to fit into a float on this platform.

See also is_finite() and is_nan().

Edellinen | Alkuun | Seuraava
is_finite | Ylös | is_nan