hypotis_finite
(PHP 4 >= 4.2.0, PHP 5)
is_finite — Finds whether a value is a legal finite number
Descrierea
bool is_finite
( float $val
)
Checks whether val is a legal finite on this platform.
Parametri
- val
-
The value to check
Valorile întroarse
TRUE if val is a legal finite number within the allowed range for a PHP float on this platform, else FALSE.
Vedeţi de asemenea
- is_infinite() - Finds whether a value is infinite
- is_nan() - Finds whether a value is not a number
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