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What are the knowledge points of this article "PHP's ThinkPHP query?" most people do not understand, so the editor summarizes the following contents, detailed contents, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "PHP's ThinkPHP query" article.

1. Aggregate query

We often use some statistics in the application, such as the current number of all users (or meet certain conditions), the points of all users, the average score of users, and so on. ThinkPHP provides a series of built-in methods for these statistical operations.

Get number of users:

Db::table ('think_user')-> count (); / / helper function db (' user')-> count ()

2. Time query

Use the where method.

Method supports time comparison, for example:

/ / greater than a certain time where ('create_time',' > time','2016-1-1'); / / less than a certain time where ('create_time','',0)-> find () The above is about the content of this article "what are the ThinkPHP queries of PHP?" I believe we all have a certain understanding. I hope the content shared by the editor will be helpful to you. If you want to know more about the relevant knowledge, please pay attention to the industry information channel.

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