Funcții matematice
PHP Manual

floor

(PHP 4, PHP 5, PHP 7)

floorRound fractions down

Descrierea

mixed floor ( float $value )

Returns the next lowest integer value (as float) by rounding down value if necessary.

Parametri

value

The numeric value to round

Valorile întoarse

value rounded to the next lowest integer. The return value of floor() is still of type float because the value range of float is usually bigger than that of integer. This function returns FALSE in case of an error (e.g. passing an array).

Exemple

Example #1 floor() example

<?php
echo floor(4.3);   // 4
echo floor(9.999); // 9
echo floor(-3.14); // -4
?>

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Funcții matematice
PHP Manual