is_finite
is_finite
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
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
← intdiv
is_infinite →
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