PHP Tutorial - PHP ceil() Function
Definition
The ceil() function rounds a floating-point number
to the nearest integer above its current value.
If you provide an integer, nothing will happen.
The ceil() function rounds a number UP to the nearest integer, if necessary.
Syntax
PHP ceil() Function has the following format.
float ceil ( float num )Parameter
| Parameter | Is Required | Description |
|---|---|---|
| number | Required. | Value to round up |
Return
| Item | Description |
|---|---|
| Return Value | The value rounded up to the nearest integer |
| Return Type | Float |
Note
To round a number DOWN to the nearest integer, look at the floor() function. To round a floating-point number, look at the round() function.
Example
Round numbers up to the nearest integer:
<?php/*from w ww. j ava 2s . co m*/
$number = ceil(11.9); // 12
print($number);
print "\n";
$number = ceil(11.1); // 12
print($number);
print "\n";
$number = ceil(11); // 11
print($number);
print "\n";
echo(ceil(0.60) . "\n");
echo(ceil(0.40) . "\n");
echo(ceil(5) . "\n");
echo(ceil(5.1) . "\n");
echo(ceil(-5.1) . "\n");
echo(ceil(-5.9));
?>
The code above generates the following result.
