print(decoct(255));
?>
double deg2rad(double angle)
The deg2rad function returns the radians that correspond to angle argument, specified in
degrees.
<?
//prints 1.5707963267949
print(deg2rad(90));
?>
double exp(double power)
The exp function returns the natural logarithm raised to the power of the argument.
<?
//prints 20.085536923188
print(exp(3));
?>
integer floor(double value)
The floor function returns the floor of the argument, which is the integer part of the
argument.
<?
//prints 13
print(floor(13.2));
?>
integer hexdec(string hexadecimal_number)
The hexdec function converts a string that represents a hexadecimal number into an
integer. Preceding the number with "0x" is optional.
<?
print(hexdec("FF"));
print("
\n");