php digit

This article mainly introduces how to generate a unique number in PHP. In this article, convert the hexadecimal value to 36 to obtain more than 60 million unique numbers that are not repeated, with the number of digits being 10 digits, if you need a

This article mainly introduces how to generate a unique number in PHP. in this article, convert the hexadecimal value to 36 to obtain more than 60 million unique numbers that are not repeated, with the number of digits being 10 digits, if you need a

When we want to numbers a large number of data, there is a limit on the number of digits, such as a five-digit license plate number, a ten-digit license number, order serial number, and a short URL, we can use the 36-digit system to calculate

Php code to generate a random six-digit password // Generate a six-digit password Begin at random Function randStr ($ len = 6, $ format = 'all '){ Switch ($ format ){ Case 'all ': $ Chars =

Php converts any number in hexadecimal notation to a 10-hexadecimal notation. Php converts an arbitrary number to a decimal number. in this article, we illustrate how php converts an arbitrary number to a decimal number. Share it with you for your

PHP generates a 4-or 5-digit combination of letters and numbers verification code & lt ;? Php $ imgimagecreatetruecolor (100, 40); create a * 40 canvas $ blackimagecolorallocate ($ img, 0 x); define black $ greenimagecolorallocate ($ img, 0x00 PHP

This article mainly introduces the implementation code of the php digital verification code, which has some reference value. For more information, see This article mainly introduces the implementation code of the php digital verification code, which

This article mainly introduces the implementation code of the php digital verification code, which has some reference value. if you need it, it is very convenient to refer to implementing the verification code in php, the key point is to master the

Php Chinese letter and digit verification code. English is the same number? PhpHeader (Content-type: imagepng); defines the header, declares the image file, preferably png, without copyright; generates a new four-digit integer verification code

This article describes how php converts an arbitrary number into a 10-digit number. it involves some related skills related to php number conversion and is of great practical value, for more information, see the example in this article. Share it