PHP floor() Function

PHP Math Reference : Round numbers down to the nearest integer

Definition and Usage

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

Tip: To round a number UP to the nearest integer, look at the ceil() function.

Tip: To round a floating-point number, look at the round() function.

floor(number);

Parameter	Description
number	Required. Specifies the number to round down

Return Value:	The value rounded down to the nearest integer
Return Type:	Float
PHP Version:	4+

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