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ceil

Note

This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.

Returns the smallest integer value greater than or equal to $value

namespace HH\Lib\Math;

function ceil(
  num $value,
): float;

To find the largest integer value less than or equal to $value, see Math\floor().

Parameters​

  • num $value

Returns​

  • float

Examples​

$val_1 = 3.2;
$ceil_1 = Math\ceil($val_1);
echo "Ceiling of $val_1 is $ceil_1 \n";

$val_2 = 7;
$ceil_2 = Math\ceil($val_2);
echo "Ceiling of $val_2 is $ceil_2 \n";