PHP Arrays Randomizing an Array - Web Development and Design | Tutorial for Java, PHP, HTML, Javascript PHP Arrays Randomizing an Array - Web Development and Design | Tutorial for Java, PHP, HTML, Javascript

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Monday, May 20, 2019

PHP Arrays Randomizing an Array

PHP Arrays




Randomizing an Array

Problem

You want to scramble the elements of an array in a random order.

Solution

Use shuffle():

             shuffle($array);

Discussion

It’s surprisingly tricky to properly shuffle an array. In fact, up until PHP 4.3, PHP’s shuffle() routine wasn’t a truly random shuffle. It would mix elements around, but certain combinations were more likely than others.

Therefore, you should use PHP’s shuffle() function whenever possible.



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