generate 6 digit random number in php

A php code that generates a 16-bit random number (two methods), a 16-bit random number. One php code to generate a 16-bit random number (two methods), one php code to generate a 16-bit random number, and two php methods to generate a random number.

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 =

A php code to generate a 16-bit random number (two methods), 16-bit random number A php code that generates a 16-bit random number. php can generate a random number in two ways. Method 1$ A = mt_rand (0000000,99999999 );$ B = mt_rand (0000000,9999999

When PHP generates a random number, if the range limit is too large, the generated random number is very large. Why? Test code: {code ...} result: {code ...} I have run this code for dozens of times. The result is the same. The random numbers

Php generates a 16-bit random number with only a number and a php16 random number. Php generates 16-bit random numbers only Share a php code to generate a 16-bit random number. php can generate a random number in two ways.Method 1,   Method 2:   A

PHP random generation of credit card number method This article mainly introduces PHP randomly generated credit card number method, involving PHP based on credit card number rules to generate card number of the skills, with a certain reference

[Code implementation] PHP generates various Random verification codes, and php generates verification codes. Address: http://www.phpthinking.com/archives/531 Verification codes are very important in WEB applications. They are usually used to prevent

This article introduces how to upload and rename images in php. For more information, see I. Application scenarios: the auto-increment numbers returned from the database cannot be used to rename the uploaded image. This is determined by the process

A detailed description of the six solutions for renaming uploaded images based on php. I. application scenarios: the auto-increment numbers returned from the database cannot be used to rename the uploaded image. This is determined by the process of

I. Application scenarios: the auto-increment numbers returned from the database cannot be used to rename the uploaded image. This is determined by the process of uploading images or files.Generally, the Image Upload process is to upload the image to