is_infinite
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
is_infinite — Finds whether a value is infinite
Description
is_infinite(float
$num): bool
Returns true if num is infinite (positive or
negative), like the result of log(0) or any value too
big to fit into a float on this platform.
Parameters
-
num -
The value to check
Return Values
true if num is infinite, else false.
See Also
- is_finite() - Finds whether a value is a legal finite number
- is_nan() - Finds whether a value is not a number
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