| Function
|
Returns
|
| abs()
|
Absolute (positive)
value of a number.
|
| sin()
|
sine of a number.
|
| sinh()
|
Hyperbolic sine of a number.
|
| asin()
|
Convert sine of a number.
|
| asinh()
|
Inverse hyperbolic sine of a number.
|
| cos() |
Cosine of a number. |
| cosh()
|
cosh of a number.
|
| acos()
|
Cosine of a number.
|
| acosh()
|
inverse hyperbolic cosine of a number.
|
| tan()
|
Tangent of a number.
|
| tanh()
|
Hyperbolic tangent of a number.
|
| atan()
|
Arc tangent of a number in radians.
|
| atan2()
|
Arc tangent of two variables x and y.
|
| atanh()
|
inverse hyperbolic tangent of a number.
|
| base_convert()
|
Convert a number from one number base to another.
|
| bindec()
|
Convert a binary number to a decimal number.
|
| ceil()
|
Round a number up to the nearest integer.
|
| pi()
|
Approximation value of PI.
|
| decbin()
|
Decimal number to a binary number.
|
| dechex()
|
Decimal number to a hexadecimal number.
|
| decoct()
|
octal number
|
| deg2rad()
|
Converts a degree value to a radian value.
|
| rad2deg()
|
Converts a radian value to a degree value.
|
| exp()
|
uexponent of e.
|
| expm1()
|
exp(x) - 1.
|
| floor()
|
Converts round a number down to the nearest
integer.
|
| fmod()
|
the remainder of x/y.
|
| getrandmax()
|
largest possible value returned by
rand().
|
| hexadec()
|
Used to convert a hexadecimal number to a decimal number.
|
| hypot()
|
Calculate the hypotenuse of a right-angle triangle.
|
| is_fine()
|
To check whether a value is fine or not.
|
| is_infine()
|
Check whether a value is infine or not.
|
| is_nan()
|
Check whether a value is 'not-a-number'.
|
| lcg_value()
|
a pseudo random number in a range between 0 and 1.
|
| log()
|
natural logarhm of a number.
|
| log10()
|
base-10
logarhm of a number.
|
| log1p()
|
log(1+number).
|
| max()
|
highest
value in an array, or the highest value of
several specified values.
|
| min()
|
lowest value in an array, or
the lowest value of several specified values.
|
| getrandmax()
|
maximum value by using rand().
|
| mt_getrandmax()
|
largest
possible value returned by mt_rand().
|
| mt_rand()
|
Generates a random integer using Mersenne Twister algorhm.
|
| mt_srand()
|
Seeds the Mersenne Twister random number generator.
|
| octdec()
|
Converts an octal
number to a decimal number.
|
| pow()
|
return x raised to the power of y.
|
| intdiv
|
integer quotient of the division of
dividend by divisor.
|
| rand()
|
Generates a random integer.
|
| round()
|
Round a floating-point number.
|
| fmod()
|
floating
point remainder of the division of the Argument.
|
| sqrt()
|
square root of a number.
|