PHP floor() Function

The floor() function rounds a number DOWN to the nearest integer, if necessary.

float floor ( float $value )

Returns the next lowest integer value (as float) by rounding down value if necessary.

Example -

ParameterDescription
valueThe 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).