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Technical Articles

PHP Framework

ThinkPHP

Why upgrade thinkphp3 to thinkphp5

Among the many PHP frameworks, ThinkPHP has always been one of the preferred frameworks for the majority of PHP developers. The ThinkPHP framework is also constantly being updated and upgraded. Recently, the more advanced ThinkPHP5 version was launched, which has been welcomed by many developers. So, why should we upgrade ThinkPHP3 to ThinkPHP5? This article will explore this issue from multiple perspectives. 1. New functions and advantages ThinkPHP5 has significantly improved new functions and performance advantages compared to ThinkPHP3. That

Apr 07, 2023 am 09:30 AM

Explore whether ThinkPHP's Session supports storing arrays?

When writing web applications using the ThinkPHP framework, it is often necessary to use Session to store and process user login status, shopping cart information and other data, and sometimes a set of data needs to be stored in the Session in the form of an array to facilitate subsequent calls. and processing. So, does ThinkPHP's Session support storing arrays? Let’s explore this next. First of all, we need to understand that in the ThinkPHP framework, Session has a variety of storage methods to choose from, such as file storage, data

Apr 07, 2023 am 09:30 AM

thinkphp causes and solutions to obtain upload path errors

When developing a website using ThinkPHP, uploading files is one of the common operations. However, when we use ThinkPHP's file upload component, we sometimes encounter the problem of getting the uploaded file path error. This article will detail the causes and solutions to this problem. ### Problem Background Recently, I encountered a strange problem when developing using the ThinkPHP framework. I used ThinkPHP's file upload component to upload files to the specified directory, but I made an error when getting the path of the uploaded file. The returned path

Apr 07, 2023 am 09:30 AM

How to check the version of thinkphp framework in the system (4 methods)

ThinkPHP framework is an open source PHP development framework suitable for rapid development of high-performance web applications. If you are developing using the ThinkPHP framework, then you may want to know how to check your system's ThinkPHP framework version. In this article, we will cover various methods to check the ThinkPHP framework version on your system. Method 1: View the framework Readme file In the root directory of the ThinkPHP framework, you can find a file named "README.md". this file

Apr 07, 2023 am 09:30 AM

What websites can thinkphp be used to develop?

ThinkPHP can be used to develop various types of websites, including but not limited to e-commerce, social networking, blogs, news, forums, corporate portals, etc. Its architecture design is reasonable, development efficiency is high, and it is easy to maintain and expand. It is welcomed and loved by the majority of developers. 1. E-commerce website ThinkPHP is suitable for developing e-commerce websites, including B2C and C2C type websites. Its MVC design pattern can help developers optimize and upgrade and reduce coupling. The use of template engines and ORM frameworks makes the development process more convenient. At the same time, Thi

Apr 07, 2023 am 09:30 AM

Reasons and solutions why thinkphp5 cannot access files

During development using the ThinkPHP5 framework, sometimes you may encounter situations where files cannot be accessed. This situation is usually caused by some configuration or coding issues. This article will introduce some possible reasons why files cannot be accessed and provide corresponding solutions. 1. Path problem A common reason why a file cannot be accessed is a path problem. In ThinkPHP5, the path configuration needs to be configured in the config.php file. If the path configuration is incorrect, it is very common that the file cannot be accessed. Solution: Check the road

Apr 07, 2023 am 09:30 AM

Detailed explanation of how to use static cache in ThinkPHP

ThinkPHP is an excellent PHP development framework that is widely used in web development. Among them, static caching is one of its core functions. This article will introduce you to the use of static caching in ThinkPHP. 1. What is static cache? Static cache is to save some data that is not frequently modified in memory when the program is running. This data does not need to be changed. Once cached, it can be used directly in subsequent requests, thus greatly speeding up the running speed of the program. Static caching is suitable for scenarios that do not require high real-time performance.

Apr 07, 2023 am 09:30 AM

Let's talk about how to use arrays in the ThinkPHP framework

ThinkPHP is a PHP development framework based on the MVC pattern and has become the preferred framework for many developers. When developing applications, we usually need to use arrays to store and manipulate data. This article will introduce how to call methods using arrays in the ThinkPHP framework. 1. Definition and initialization of arrays In ThinkPHP development, we can use arrays to store various types of data. The method of defining an array is the same as the PHP native language syntax, for example: ```$arr = array('a', 'b'

Apr 07, 2023 am 09:30 AM

Let's talk about how thinkphp m method implements multi-table query

thinkphp M method multi-table query is an efficient data processing method, which can help us process the relationship between multiple data tables at the same time. This article will introduce how to use this method to implement multi-table queries. 1. What is a multi-table query? In a database, sometimes we need to query the data relationships between multiple data tables, which requires the use of multi-table queries. In general, we can use multiple SELECT statements to implement multi-table queries, but this method will be very slow when processing large amounts of data, so we need to use a more efficient way to perform multi-table queries. two,

Apr 07, 2023 am 09:30 AM

What happens when thinkphp prompts that the module does not exist?

ThinkPHP prompts "Module does not exist" is one of the common errors in the development process. This error is usually caused by the following situations: 1. The module path is incorrect: ThinkPHP's default module path is "/application/". If your module is not in this path, it will prompt "Module does not exist". At this time, you need to modify the module path and set the module path in the entry file, as shown below: ```// Define the application directory define('APP_PATH', __DIR_

Apr 07, 2023 am 09:30 AM

A brief analysis of how to print SQL error messages in ThinkPHP

When developing projects using the ThinkPHP framework, some SQL statement errors may occur. These error messages are usually returned to users, but developers may need more information to help them quickly locate problems and solve them. In this article, I will introduce some tips to help developers understand how to print SQL error messages in ThinkPHP. The first method is to view the SQL statement by printing the debugging information of the SQL. You can configure debug parameters in the database.php file under the config folder.

Apr 07, 2023 am 09:30 AM

How thinkphp operates mysql to add, delete, modify and query

thinkphp is an excellent PHP framework that can effectively improve PHP development efficiency. Here, we will demonstrate how to use thinkphp to implement the add, delete, modify, and query functions of mysql database. 1. Connect to the database In thinkphp, we can use config.php to configure the database. The following is an example: ```phpreturn [ 'database'=>[ 'type' => 'my

Apr 07, 2023 am 09:30 AM

Detailed explanation of how thinkphp closes all caches

When using ThinkPHP for development, we often encounter caching problems, such as caching causing pages not to be updated, cache leaks, etc. What should we do when we want to turn off all caches? First, we need to understand the caching mechanism in ThinkPHP. ThinkPHP provides us with a variety of caching methods, including file caching, Redis caching, Memcached caching, etc. Moreover, in different usage scenarios, different caching methods will have different applicability. Therefore, we cannot simply

Apr 07, 2023 am 09:30 AM

How to read the configuration file in thinkphp5

When using the ThinkPHP5 framework, we usually need to read some configuration information in the application, such as database connection information, cache information, etc. In the ThinkPHP5 framework, all configuration files are stored in the config directory. Next, this article will share how to use the ThinkPHP5 framework to read configuration files. 1. Naming of configuration files In the ThinkPHP5 framework, all configuration files are saved in the config directory with the .php file extension. The naming rules for configuration files are: application configuration

Apr 07, 2023 am 09:30 AM