Method sgn()
- Method sgn
int sgn(mixed value)
int sgn(mixed value, mixed zero)- Description
Check the sign of a value.
- Returns
Returns
-1if value is less than zero,1if value is greater than zero and0(zero) otherwise.- See also
int sgn(mixed value)
int sgn(mixed value, mixed zero)
Check the sign of a value.
Returns -1 if value is less than zero,
1 if value is greater than zero and 0
(zero) otherwise.