print(hexdec("0x7FAD"));
print("
\n");
?>
double log(double value)
The log function returns the natural logarithm of the value argument.
<?
//prints 3.0022112396517
print(log(20.13));
?>
double log10(double value)
The log10 function returns the decimal logarithm of its argument.
<?
//prints 3.2494429614426
print(log10(1776));
?>
integer octdec(string octal_number)
The octdec function returns the integer value of a string representing an octal number.
<?
//prints 497
print(octdec("761"));
?>
double pi()
The pi function returns the approximate value of pi. Alternatively, you may use the M_PI
constant.
<?
//prints 3.1415926535898
print(pi(). "
\n");