Php/docs/function.is-finite
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is_finite
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
is_finite — Finds whether a value is a legal finite number
Description
is_finite
( float $val
) : bool
Checks whether val is a legal finite
on this platform.
Parameters
val- The value to check
Return Values
TRUE if val 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
