Shulou(Shulou.com)06/01 Report--

Editor to share with you the example analysis of PHP variables, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Introduction of 1.php variable

Description: the space in which the amount of change can be stored, and the amount that can be changed is determined by context, so php is called "weakly typed language".

2. How to store php variables in memory

The memory of the PHP variable is freed, and after the page is run, it is released automatically.

3. Declaration of variables

Description: the declaration of the variable is declared by the "$" symbol, and the variable needs to be defined and assigned in memory.

Syntax: $variable name = amount of data

Note: the definition variable name consists of the number (0-9) letter (amurz Amurz) underscore "_" and cannot start with a number.

/ / declaration of variable $name = "Qingyu"; $age = 18 shareholders sex = "male"; $user_name = "admin"; $_ username = "Qingyu"; $5_admin = "qingyu" / / error

Suggestion: variable names must see the meaning of the name, English words or pinyin.

The above is all the content of the article "sample Analysis of PHP variables". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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.