PHP. Руководство по PHP. 2005

is_infinite

Пред.

След.

is_infinite

(PHP4>= 4.2.0, PHP5)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().

Пред.

Начало

След.

is_finite

Уровень выше

is_nan