is_finite
(PHP 4 >= 4.2.0, PHP 5)
is_finite — Finds whether a value is a legal finite number
Description
bool is_finite
( float
$val
)
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
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