ceil()

ceil() — Round fractions up.

Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

What it does

Returns the next highest integer value by rounding up num if necessary.

Signature

ceil(int|float $num): float

Parameters

Return value

num rounded up to the next highest integer. The return value of ceil() is still of type float as the value range of float is usually bigger than that of int.

Example

A runnable snippet:

echo ceil(4.3), PHP_EOL; // 5 echo ceil(9.999), PHP_EOL; // 10 echo ceil(-3.14), PHP_EOL; // -3

Changelog

See also

floor(), round()

All PHP 8.5 built-in functions

Reference card built from the PHP manual page ceil() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.