Floor Php Function

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Floor php function. The floor function rounds a number down to the nearest integer if necessary and returns the result. Rounds downs the nearest integer. View the example in the browser. A function is a block of statements that can be used repeatedly in a program.

The floor function returns the largest integer that is smaller than or equal to x. To go lower the floor function would go to 2 which is logically less than 1 6. In mathematics and computer science the floor and ceiling functions map a real number to the greatest preceding or the least succeeding integer respectively. The floor function is a built in function in excel that is categorized as a math trig function.

Floor isn t trying to give you the number closest to zero it s giving you the lowest bounding integer of a float. The datatype of variable should be double float long double only. As in 1 is logically greater than 1 6. It can be used as a worksheet function ws in excel.

To round a number up to the nearest integer look at the ceil function. As a worksheet function the floor function can be entered as part of a formula in a cell of a worksheet. Floor value of 10 is 10 floor value of 111 13 is 112 floor value of 100 01 is 100 floor value of 200 is 200. Required header in the c language the required header for the floor function is.

Php user defined functions. Glen 01 dec 2007 04 22 php echo floor 1 6. It takes single value whoes floor value is to be calculated. You can simply make a ceil with decimals function by using the round function and add 0 05 to the value if the value must have 1 decimal accuracy or 0 005 for 2 decimals accuracy or 0 0005 for 3 decimals etc.

In mathematics and computer science the floor function is the function that takes as input a real number and gives as output the greatest integer less than or equal to denoted or similarly the ceiling function maps to the least integer greater than or equal to denoted or. This function is also declared in cmath header file in c language. In reply to glen who commented. Will output 1.

Returns the largest integer that is smaller than or equal to x i e. To round a floating point number look at the round function. A function will be executed by a call to the function.