is_finite
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
is_finite — Finds whether a value is a legal finite number
Description
is_finite(float $num): bool
Checks whether num
is a legal finite on this platform.
Parameters
-
num
-
The value to check
Return Values
true
if num
is a legal finite number within the allowed range for a PHP float on this platform, else false
.
See Also
- is_infinite() - Finds whether a value is infinite
- is_nan() - Finds whether a value is not a number
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.is-finite.php