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<loglog1p>
^Math FunctionsLast updated: Mon, 26 Oct 2026

log10

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

log10 — Base-10 logarithm

Description

function log10(float $num): float

Returns the base-10 logarithm of num.

Parameters

num

The argument to process

Return Values

The base-10 logarithm of num

See Also

  • log() - Natural logarithm


<loglog1p>
^Math FunctionsLast updated: Mon, 26 Oct 2026