Home >Backend Development >PHP Problem >Which PHP function rounds up?
PHP ceil() function
Definition and usage
ceil() function round up Enter to the nearest integer.
Grammar (Recommended learning: PHP programming from entry to proficiency)
ceil(x)
Instructions
Returns the next integer that is not less than x. If x has a decimal part, it is rounded up. The type returned by ceil() is still float because the range of float values is usually larger than that of integer.
Example
In this example, we will apply the ceil() function to different values:
<?php echo(ceil(0.60); echo(ceil(0.40); echo(ceil(5); echo(ceil(5.1); echo(ceil(-5.1); echo(ceil(-5.9)); ?>
Output:
1 1 5 6 -5 -5
The above is the detailed content of Which PHP function rounds up?. For more information, please follow other related articles on the PHP Chinese website!