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is_finite

Finds whether a value is a legal finite number (PHP 4 >= 4.2.0, PHP 5)
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()
is_nan()


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