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<is_countableis_float>
^Variable handling FunctionsLast updated: Mon, 26 Oct 2026

is_double

(PHP 4, PHP 5, PHP 7, PHP 8)

is_double — Alias of is_float()

Description

This function is an alias of: is_float().


<is_countableis_float>
^Variable handling FunctionsLast updated: Mon, 26 Oct 2026