PHP gets a range of n non-repeating random numbers, random number _php tutorial

Source: Internet
Author: User
Tags php database php regular expression shuffle

PHP gets a range of n non-repeating random numbers, random numbers


In this paper, we describe a method for PHP to fetch n non-repeating random numbers in a certain range. Share to everyone for your reference, as follows:

Range is to list 1000 to 9999 as an array $numbers = range (1000,9999);//shuffle the array order is scrambled shuffle ($numbers);//array_slice takes a segment of the array $ result = Array_slice ($numbers, 0,3);p Rint_r ($result);

The result of the operation is:

Array (  [0] = 9767  [1] = 2344  [2] = 7783)

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PHP Code online format Beautification tool:

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In addition, because PHP is a C language style, the following tool can also be used to implement the PHP code format:

C Language Style/html/css/json code formatting beautification tool:
Http://tools.jb51.net/code/ccode_html_css_json

More interested in PHP related content readers can view the site: "PHP Math Skills Summary", "PHP operation Office Document Skills Summary (including word,excel,access,ppt)", "PHP array" operation Skills Daquan, " PHP Sorting algorithm Summary, "PHP Common traversal algorithm and skills summary", "PHP Data structure and algorithm tutorial", "PHP Programming Algorithm Summary", "PHP Regular Expression Usage summary", "PHP operation and operator Usage Summary", "PHP string Usage Summary" and " A summary of common PHP database operation techniques

I hope this article is helpful to you in PHP programming.

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