PHP Common data Function _php Tutorial

Source: Internet
Author: User
Tags acos natural logarithm
function Description of PHP
ABS device () returns the absolute number 3rd
ACOs () returns the 3rd number of arccosine
Acosh () returns the inverse hyperbolic cosine of number 4th
Azeem () return to the 3rd of the inverse chord
Asinh () returns the inverse hyperbolic sine of number 4th
Atan () returns the 3rd of the Polyimide/2 and PI/2 radians that are tangent to a number as a number
ATAN2 () returns the angle of the argument (x, y) points as a value between the portfolio investment and the Portfolio investment Radian 3rd
Atanh () returns the inverse hyperbolic tangent of number 4th
Base_convert () converted some from one base, the other 3
Bindec () converts the binary number of the decimal point after the 3rd number
The cell () returns a number of values rounded up to the nearest integer 3rd
Power factor () returns the number 3rd of the cosine
Hyperbolic cosine () returns number 4th of the hyperbolic cosine
Decbin () Convert decimal number to binary number 3
Dechex () convert hexadecimal number of decimal number 3
Fry () Convert decimal number of octal number 3
Deg2rad () converted to a certain degree of Radian number 3rd
() return value before 3
EXPM1 () return value before-1 4
Floor () Some rounding of the return value is lowered to the nearest integer 3rd
Fmod () return, the remaining (modulo) division of the argument four
Getrandmax ()
Returns the maximum random number that can be passed back to the call rand () function 3rd
Hexdec () Convert to hexadecimal number decimal number 3
Hypot () returns the length of the hypotenuse with a right angle triangle four
Is_finite () returns True if the value is limited to number 4th
Is_infinite () returns True if the value is an infinity 4th number
Is_nan () returns True if the value is not number 4th
Lcg_value () returns a pseudo-random number range at (0,1) 4
Log () returns the natural logarithm (basic English) number 3rd
LOG10 () back to base-number 3rd of 10
LOG1P () return log (1 + number) 4
Maximum () Number of returned two specific numbers with the highest value three
The number of people returned with the lowest value of two specific numbers three
Mt_getrandmax () The maximum possible value returned, Mt_rand () 3 can be passed back
Mt_rand () returns a random integer using the Mason Tornado algorithm III
Mt_srand () Seed of the Mason Tornado random number Generator III
Octdec () converted octal number in decimal number 3
Pi () returns a value of 3
Prisoner of War () returns the value of x 3rd of the Power y
Rad2deg () Convert radians to some extent three
RAND () returns a random integer 3rd
Round () rounds out some of the nearest integers for the 3rd
Sin () returns the 3rd number of the sine
() return the hyperbolic sine of number 4th
SQRT () returns the square root No. 3rd
Srand () seed random number Generator III
TAM () return tangent to the 3rd corner
The Tanh () returns the angle of the hyperbolic tangent 4th

http://www.bkjia.com/PHPjc/445514.html www.bkjia.com true http://www.bkjia.com/PHPjc/445514.html techarticle PHP Function Description ABS device () returns the absolute value of number 3rd ACOs () returns arccosine of number 3rd Acosh () returns the inverse hyperbolic cosine of number 4th Azeem () returns the sine of the 3rd number a ...

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