Shulou(Shulou.com)06/03 Report--

This article mainly introduces the methods of circular associative arrays in PHP, which have a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, let the editor take you to understand it.

1. The foreach () loop must provide a variable name for the key of the element, not just its value.

In an associative array, elements are defined in the form of key / value pairs. Keys are also relevant when you use an associative array and want to access all the data in it.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.