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floor - Round fractions down

floor( int|float$num ): float

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



The numeric value to round

Return Values

num 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 int. This function returns false in case of an error (e.g. passing an array).


Version Description
8.0.0 num no longer accepts internal objects which support numeric conversion.

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