floor
(PHP 4, PHP 5, PHP 7)
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
?>See Also
- ceil() - Round fractions up
- round() - Rounds a float
← expm1
fmod →
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