Method sgn()
- Method sgn
int sgn(mixed value)
int sgn(mixed value, mixed zero)- Description
Check the sign of a value.
- Returns
Returns
-1
if value is less than zero,1
if 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.