PHP - floor

Trieda

Koreň \ Bez triedy

Metóda - floor

(PHP 4, PHP 5, PHP 7)

This floor() function rounds a given number towards zero - positive numbers will be rounded down, negative numbers will be rounded up.

Procedurálne

• function floor (float $value) : mixed

Parametre

Názov	Dátový typ	Predvolená hodnota	Popis
$value	float		The number to round.

Mávratovej hodnoty

Vracia: mixed

The rounded value returned as float or false on failure.

Príklady

<?php
$nums = [5, 5.1, 5.4, 5.5, 5.6, 5.9, "10.9", "10,9"];

foreach($nums as $num)
    echo ("floor $num => " . floor($num) . "<br>");

This example outputs (if viewed from a web browser):

floor 5 => 5
floor 5.1 => 5
floor 5.4 => 5
floor 5.5 => 5
floor 5.6 => 5
floor 5.9 => 5
floor 10.9 => 10
floor 10,9 => 10