Php Floor Function Example

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.

Php floor function example. A function is a block of statements that can be used repeatedly in a program. Floor works like the mround function but floor always rounds down. Besides the built in php functions it is possible to create your own functions. A function will not execute automatically when a page loads.

2 the largest integer which is less than or equal to 1 59 is 2 therefore the floor function returned 2. This moves the decimal point back 2 places to it s original place and gives us the rounded value of 5 12. Lastly to compensate for multiplying by 100 earlier now we must divide by 100 or in this case multiply by 01. 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.

Floor rounds negative numbers down away from zero. Select floor 1 59. Php examples php examples php compiler php quiz php exercises php certificate php reference. The following example applies the floor function to a negative number.

For more control with negative numbers see the floor math function. View the example in the browser. 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. The datatype of variable should be double float long double only.

Then the floor function truncates the value leaving us with 512. To round a number up to the nearest integer look at the ceil function. The floor function rounds a number down to the nearest integer if necessary and returns the result. If a number is already an exact multiple of significance no rounding occurs.

A function will be executed by a call to the function. See example of php floor function. Php user defined functions. This function is also declared in cmath header file in c language.

Floor rounds positive numbers down toward zero. What is php floor function. The floor function returns the largest possible integer value which is equal to the value or smaller than that.