Function description of PHP
ABS device () returns absolute value of 3rd
Acos () returns arccosine 3rd
Return the number 4 of the inverse hyperbolic cosine of acossh ().
Axin () returns the arcsin 3rd.
Asinh () returns number 4 of the inverse hyperbolic sine.
Atan () returns the arc tangent of some of the polyimides/2 and PI/2 radian between a value of 3
Atan2 () returns the angle of the (x, y) point as a numerical value between Marketable securities investment and marketable securities investment Radian 3rd
Atanh () returns number 4 of the inverse hyperbolic tangent.
Base_convert () converts some data from one base, and the other three
Number of decimal places after the binary number converted by bindec ()
Number of cell () return values rounded up to the nearest integer 3rd
Power factor () returns the cosine of 3rd
Returns the number 4 of the hyperbolic cosine.
Decbin () converts the decimal number to 3rd in binary number.
Dechex () converts the hexadecimal number of decimal numbers to 3rd
Pan-fried () converts the decimal number to octal number 3rd
Deg 2rad () converts a certain degree of Radian 3rd
The first 3 values returned by Zhang ()
Expm1 () returns values before-1 4
Some rounding values returned by buildings () are lowered to the nearest integer of 3rd.
Fmod () returns the other (modulo) division of labor argument 4
Getrandmax ()
The maximum random number returned, which can be returned by the appeal rand () function 3rd.
Convert hexdec () to hexadecimal decimal number 3rd
The length of the oblique side returned by hypot () is a Cartesian triangle.
Is_finite () returns true if the value is limited to 4
Is_infinite () returns true if the value is an infinite number 4
Is_nan () returns true if the value is not 4
Lcg_value () returns a pseudo-random number in the range of (0, 1) 4.
Log () returns the natural logarithm (Basic English) 3rd
Log10 () returns the number 3 of base-10
Log1p () return log (1 + number) 4
The maximum number () returned is two specific numbers with the highest value.
The number of returned persons and the minimum value are three.
The maximum possible value returned by mt_getrandmax (). mt_rand () 3 can be returned.
Mt_rand () returns a random integer using Mason tornado Algorithm 3
Mt_srand () seed Mason tornado random number generator 3
Decimal number of octal numbers converted by Dec (): 3rd
PI value 3 returned by the circumference rate ()
Prisoner of War () returns x value of power y of 3rd
Rad2deg () converts radians to a certain extent.
Returns a random integer of 3rd.
Round () rounds around the nearest integer of 3rd
Sin () returns the sine of 3rd
Returns the hyperbolic sine of number 4.
Square root 3 returned by sqrt ()
Srand () seed random number generator 3
Tan () returns the tangent of 3rd.
Tanh () of returns the hyperbolic tangent angle 4th
