floor
Round fractions down
Description
mixed floor
( float $value
)
Returns the next lowest integer value (as float) by rounding down
value if necessary.
Parameters
-
value
-
The numeric value to round
Return Values
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).
Examples
Example #1 floor example
<?php
echo floor(4.3); // 4
echo floor(9.999); // 9
echo floor(-3.14); // -4
?>