(PHP 4, PHP 5, PHP 7, PHP 8)
floor — Round fractions down
Returns the next lowest integer value (as float) by rounding down num if necessary.
numThe numeric value to round
num rounded to the next lowest integer. The return value of floor() is still of type float.
| Version | Description |
|---|---|
| 8.0.0 | num no longer accepts internal objects which support numeric conversion. |
Example #1 floor() example
<?php
echo floor(4.3), PHP_EOL; // 4
echo floor(9.999), PHP_EOL; // 9
echo floor(-3.14), PHP_EOL; // -4
?>