is_finite
PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8
is_finite - Finds whether a value is a legal finite number
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.