Article Introduction：This article mainly introduces the PDO database operation class encapsulated by PHP, and analyzes related operation skills of PDO based on PDO for database addition, deletion, modification, transaction, batch addition and other related operation techniques based on specific examples. Friends in need can refer to the following

2018-05-21 comment 0  1879

Article Introduction：This article mainly introduces the PDO database operation class encapsulated by PHP, and analyzes related operation skills of PDO based on PDO for database addition, deletion, modification, transaction, batch addition and other related operation techniques based on specific examples. Friends in need can refer to the following

2017-08-12 comment 0  1065

Article Introduction：A simple php mysql database operation class, including addition, deletion, modification, query, paging and sorting functions. Directly instantiate $db_class and you can use it!

2019-08-22 comment 0  2468

Article Introduction：This article mainly introduces PHP to implement a relatively complete database operation class, which can implement basic database connections, execute SQL statements, error prompts and other related skills. Friends in need can refer to it.

2016-12-27 comment 0  1338

Article Introduction：ThinkPHP is a lightweight development framework based on MVC architecture. It provides a wealth of tools and components to facilitate developers to quickly build Web applications. Among them, database operation is the most common task in Web application development. Therefore, ThinkPHP also provides a convenient database operation class-DB class. This article will introduce in detail how to call ThinkPHP's DB class. The specific content is as follows: 1. Overview 1.1 What is the DB class? The DB class is a database operation class. It encapsulates the operation methods of the database to facilitate our operation.

2023-04-11 comment 0  1607

Article Introduction：This article mainly introduces PHP's pdo-based database operation class, which can implement basic database connections, additions, deletions, modifications, and connections, etc. It also supports operations on mysql, sqlserver, oracle and other databases. Friends in need can refer to the following

2018-06-22 comment 0  4143

Article Introduction：The code demonstrated in this white paper belongs to a relatively simple database encapsulation class, which is more suitable for beginners. Friends who need it can refer to it.

2017-08-10 comment 0  1344

Article Introduction：The code demonstrated in this white paper belongs to a relatively simple database encapsulation class, which is more suitable for beginners. Friends who need it can refer to it.

2017-08-07 comment 0  1360

Article Introduction：This article mainly introduces the mongoDB database operation class implemented by PHP. It combines the complete example form with a detailed analysis of PHP's implementation techniques for mongoDB database connection, addition, deletion, modification, statistics and other operations based on the singleton mode. Friends in need can refer to the following

2018-06-27 comment 0  1667

Article Introduction：The db class of ThinkPHP5 is a database operation class that encapsulates PDO. It is very convenient to use. This article will introduce how to use the db class. 1. Connect to the database There are two ways to connect to the database, one is to configure it in config.php, and the other is to pass in the connection parameters when instantiating the Db class. Configure in config.php: ```return [ // Database type 'type' => 'mysql', // Server address 'host

2023-04-07 comment 0  1038

Article Introduction：This article mainly introduces PHP's pdo-based database operation class, which can implement basic database connections, additions, deletions, modifications, and connections, etc. It also supports operations on mysql, sqlserver, oracle and other databases. Friends who need it can refer to it.

2018-06-01 comment 0  1843

Article Introduction：With the development of the Internet, web development has become more and more important. Due to the complexity of web applications, the difficulty and risk of web development are also increasing. To solve these problems, many web frameworks have been developed. And ThinkPHP is one of the very popular web frameworks. When using ThinkPHP for web development, we often need to determine whether certain fields in the database table exist. This article will introduce using ThinkPHP5 to determine whether a table field exists. 1. Database operation class provided by ThinkPHP5

2023-05-26 comment 0  1313

Article Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0  1166

Article Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1023

Article Introduction：charles captures requests in eclipse

2016-12-02 comment 0  1659

Article Introduction：Illustrated method to find the path of the PHP configuration file php.ini. Graphical method to find the path of the PHP configuration file php.ini. Recently, some bloggers asked in which directory php.ini exists? Or why does it not take effect after modifying php.ini? Based on the above two questions,

2016-07-13 comment 0  771

Article Introduction：IT House reported on July 14 that Huawei recently released new commercial AI storage products "OceanStorA310 deep learning data lake storage" and "FusionCubeA3000 training/pushing hyper-converged all-in-one machine". Officials said that "these two products can train basic AI models." , industry model training, and segmented scenario model training and inference provide new momentum." ▲ Picture source Huawei IT Home compiled and summarized: OceanStorA310 deep learning data lake storage is mainly oriented to basic/industry large model data lake scenarios to achieve data regression from Massive data management in the entire AI process from collection and preprocessing to model training and inference application. Officially stated that OceanStorA310 single frame 5U supports the industry’s highest 400GB/s

2023-07-16 comment 0  1500

Article Introduction：The difference between the exec function and the shell_exec function in PHP, execshell_exec. The difference between the exec function and the shell_exec function in PHP. Both execshell_exec functions execute Linux command functions. The difference is that the return results are different. exec can only get the last line number.

2016-07-13 comment 0  1018

Article Introduction：Nginx server combines Nginx and tomcat to access jsp

2016-12-02 comment 0  1780

Article Introduction：:This article mainly introduces the PHP function container ing..., students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1076