Detailed explanation of the ceil() function in PHP (with code examples)

phpIn the process of operating data, we often need to round floating-point data. ceil is built into PHP () function can help us solve this problem. This article will take you to take a look at it. First, let’s understand the syntax of the ceil() function.

ceil     ( float $value    )

• $value: The value to be further rounded

• Return value: Return the next integer that is not less than $value. The return type is still float, because float The range of values ​​is usually larger than integer.

Code example:

<?php
echo ceil(4.3);    // 5
echo ceil(9.999);  // 10
echo ceil(-3.14);  // -3
?>

输出:5 10 -3

Recommendation: 《2021 Summary of PHP interview questions (Collection)》《php video tutorial》

The above is the detailed content of Detailed explanation of the ceil() function in PHP (with code examples). For more information, please follow other related articles on the PHP Chinese website!