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<is_finiteis_nan>
Last updated: Tue, 19 Sep 2006

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().




<is_finiteis_nan>
Last updated: Tue, 19 Sep 2006