As a worksheet function the floor function can be entered as part of a formula in a cell of a worksheet.
Floor php function.
Floor isn t trying to give you the number closest to zero it s giving you the lowest bounding integer of a float.
To round a floating point number look at the round function.
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.
Besides the built in php functions it is possible to create your own functions.
The datatype of variable should be double float long double only.
It can be used as a worksheet function ws in excel.
A function will not execute automatically when a page loads.
Rounds downs the nearest integer.
A function is a block of statements that can be used repeatedly in a program.
View the example in the browser.
Php user defined functions.
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.
In reply to glen who commented.
The floor function returns the largest integer that is smaller than or equal to x.
Will output 1.
To round a number up to the nearest integer look at the ceil function.
The floor function returns the largest possible integer value which is equal to the value or smaller than that.
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.
This function is also declared in cmath header file in c language.
It takes single value whoes floor value is to be calculated.
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.
For example and while.
Required header in the c language the required header for the floor function is.
The floor function rounds a number down to the nearest integer if necessary and returns the result.
Glen 01 dec 2007 04 22 php echo floor 1 6.
A function will be executed by a call to the function.