floor
PHP function
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(PHP 4, PHP 5, PHP 7, PHP 8)
Round fractions down
Description
floor(int|float $num): float
Returns the next lowest integer value (as float) by rounding down num if necessary.
Parameters
numThe numeric value to round
Return Values
num rounded to the next lowest integer. The return value of floor() is still of type float.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | num no longer accepts internal objects which support numeric conversion. |
Examples
floor() example
php
<?php
echo floor(4.3), PHP_EOL; // 4
echo floor(9.999), PHP_EOL; // 9
echo floor(-3.14), PHP_EOL; // -4
?>