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# PHP | ceil( ) Function

• Last Updated : 03 Feb, 2021

We have often used the ceiling function in mathematical problems to round up a decimal number to next greater integral value. PHP provides us with a built-in function ceil() to perform such operation. The ceil() function is a built-in function in PHP and is used to round a number to the nearest greater integer.

Syntax:

`float ceil(value)`

Parameters: The ceil() function accepts a single parameter value which represents the number which you want to round up to the nearest greater integer.

Return Value: The return type of the ceil() function is float as shown in the syntax. It returns the number which represents the value rounded up to the next highest integer.

Examples:

```Input : ceil(0.70)
Output : 1

Input : ceil(-4.1)
Output : -4

Input : ceil(6)
Output : 6```

Below programs illustrate the ceil() function in PHP:

• When a positive number with decimal places is passed as a parameter:

## PHP

 `     `

Output:

`1`
• When a negative number with decimal places is passed as a parameter:

## PHP

 ``

Output:

`-4`
• When a number with no decimal places is passed as a parameter:

## PHP

 ``

Output:

`6`

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