(PHP 4, PHP 5, PHP 7)
ceil — Round fractions up
ceil ( float $value ) : float
Returns the next highest integer value by rounding up value
if necessary.
value
The value to round
value
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 #1 ceil() example
<?php echo ceil(4.3); // 5 echo ceil(9.999); // 10 echo ceil(-3.14); // -3 ?>
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https://www.php.net/manual/en/function.ceil.php