PHP ceil() function

The ceil() function is often used to calculate the mathematical problems. It is in-built function to find the round number up to the nearest integer.

Note1 : To round a number down to the nearest integer, then use floor() function.

Note2 : To round a floating-point number, then use round() function.

Syntax:

It returns the next highest value by rounding up value if necessary.

Example1

Output:

1 

Example2

Output:

5 

Example 3

Output:

-4 

Example4

Output:

-6 

Example 5

Output:

66.41 66.4 

Example 6

Output:

The actual value: 77.4 The ceil() used: 77.41 The round() used: 77.4