floor
(PHP 4, PHP 5)
floor — Round fractions down
Description
float floor
( float $value
)
Returns the next lowest integer value by rounding down
value
if necessary.
Parameters
-
number
-
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.
Examples
Example #1 floor() example
<?php
echo floor(4.3); // 4
echo floor(9.999); // 9
echo floor(-3.14); // -4
?>
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