(PHP 4, PHP 5)
ceil — Round fractions up
$value
)
Returns the next highest integer value by rounding up
value if necessary.
valueThe 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 integer.
Example #1 ceil() example
<?php
echo ceil(4.3); // 5
echo ceil(9.999); // 10
echo ceil(-3.14); // -3
?>