Randomizing

This is a short description with complete code examples how to generate random strings using PHP.

Simple yet customizable function that allows you to generate random strings using characters from multiple sets e.g. upper case, lower case, digits and symbols. The random strings can be used in various systems where short, random strings are needed; such as login systems (random password generation) and referral/promotional/discount codes. The coder can specify and change the complexity of string with ease. Few examples presets and output included.

This is a tutorial useful if you need to make a script that selects random image(s) from a folder.

This is a tutorial that will show you how to create the simplest banner rotate system. The images are stored in a folder and are randomly displayed.

This article introduces PHP's pseudo-random functions to the reader and explains the difference between a pseudo-random and a truly random number.

This code enables you to display a random quote on yout website, from a list you define. All you need is a a single php file and your webpage.

Easily make a quick random choice between two options. This php script works by seeing if the current server time seconds is even or odd. The code snippet also extends the basic principle to let you flip a 3-sided coin (for choosing among 3 options). Use this for deciding banners, style sheets or any random choice between a very limited number of options.

This beginners example shows how to display a random image on a web page from an entry in a text file.

Step by step tutorial on how to display random quotes on your web page. This can also be used for displaying macromedia flash files as well.

In this tutorial you will learn how to generate random numbers using PHP. It illustrates three helpful examples that uses random numbers: Generating a random number between 0 and 9, Simple slots script that generates multiple random numbers, and random text link ads.