10 recommended articles about PHP + MySQL
Transaction is a program execution unit that accesses and may update various data items in the database; a transaction should have four attributes: atomicity, consistency, isolation, and persistence atomicity. A transaction is an indivisible unit of work. All operations included in the transaction are either done or none of them are done. Consistency. A transaction must change the database from one consistency state to another. Consistency and atomicity are closely related. Isolation. The execution of a transaction cannot be interfered with by other transactions. That is, the operations and data used within a transaction are isolated from other concurrent transactions, and transactions executed concurrently cannot interfere with each other. Durability. Continuity, also known as permanence, means that once a transaction is committed, its changes to the data in the database should be permanent. Subsequent operations or failures should not have any impact on it. Distributed transactions: Participants, resource managers, transaction managers, etc. of distributed transactions are located on different nodes. These different nodes cooperate with each other to complete a task.
1. php + mysql distributed transaction (xa)
##Introduction: Transaction (Transaction) is to access and possibly update the database A program execution unit for various data items; The transaction should...
2. Convert to php + mysql distributed transaction (xa)
Introduction:: This article mainly introduces the conversion to php + mysql distributed transactions (xa). Students who are interested in PHP tutorials can refer to it.
3. One yuan cloud purchase complete source code cloud purchase CMS system with Android and ios mobile client cms mobile client cms monitoring mobile client 12306wp system mobile client
Introduction: Mobile client, cms system: One Yuan Cloud Shopping complete source code Cloud Shopping CMS system with Android and ios mobile customers End: A set of one-yuan cloud shopping CMS source code that looks good. The source code package comes with Android and iOS mobile clients. The mobile clients need to be decompiled by yourself. We won’t introduce the functions and other details here. You can download it yourself and slowly test it to understand. The following demonstration picture is a screenshot of the personal test. Source code installation instructions: The server space needs to support PHP + MySQL1. Completely upload the source code to the server space. 2. Use phpmyadmin to install the root directory
4. Use How can PHP + MySQL develop Dockerized applications?
Introduction: How to develop Docker applications using PHP + MySQL?
5. Summary of some points to note in PHP development_PHP tutorial
Introduction: Some points to note in PHP development Summarize. The current standard system for using Linux systems is Linux + Nginx + PHP + MySQL. This configuration is used by more and more large companies. When it comes to different configurations, it is a company's protocol, such as hanging
6. PHPnow Chinese suite package 1.5.4 released (with download link)_PHP tutorial
##Introduction: PHPnow Chinese suite package 1.5 .4 released (with download link). The installation of the PHPnow Chinese suite package is very simple. You only need to unzip PHPnow and initialize it to get a standard PHP + MySQL server environment. Then you can directly install Discuz! and other programs7.
"Log in with user password in phpMyAdmin" supplement_PHP tutorial
Introduction: "Login with user password in phpMyAdmin" added. Important note: Please modify the IIS5 + PHP + MYSQl and PWS + PHP + MYSQL environments. During debugging, my machine has a tmp directory on the disk where php is running, so no accidents occurred. Some netizens wrote to say8.
php environment setup (using the integrated environment phpnow)_PHP tutorial
Introduction: PHP environment construction (using the integrated environment phpnow). Setting up a PHP environment is actually not difficult, but the process is a bit cumbersome. It would be time-consuming and laborious to build a PHP + MySQL environment using original programs. And when configuring PHP, something like this often occurs
9. Win8.1 builds an Apache + PHP + MySQL environment. Only localhost can be accessed!
Introduction: Win8.1 builds Apache + PHP + MySQL environment. Only localhost can be accessed!
10. php + mysql How to store html code into the database?
Introduction: php + mysql How to store html code into the database?
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when opened.The above is the detailed content of 10 recommended articles about PHP + MySQL. For more information, please follow other related articles on the PHP Chinese website!

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There are four main error types in PHP: 1.Notice: the slightest, will not interrupt the program, such as accessing undefined variables; 2. Warning: serious than Notice, will not terminate the program, such as containing no files; 3. FatalError: the most serious, will terminate the program, such as calling no function; 4. ParseError: syntax error, will prevent the program from being executed, such as forgetting to add the end tag.

PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.

In PHP, password_hash and password_verify functions should be used to implement secure password hashing, and MD5 or SHA1 should not be used. 1) password_hash generates a hash containing salt values to enhance security. 2) Password_verify verify password and ensure security by comparing hash values. 3) MD5 and SHA1 are vulnerable and lack salt values, and are not suitable for modern password security.

PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.

HTTP request methods include GET, POST, PUT and DELETE, which are used to obtain, submit, update and delete resources respectively. 1. The GET method is used to obtain resources and is suitable for read operations. 2. The POST method is used to submit data and is often used to create new resources. 3. The PUT method is used to update resources and is suitable for complete updates. 4. The DELETE method is used to delete resources and is suitable for deletion operations.

PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7

PHP handles file uploads through the $\_FILES variable. The methods to ensure security include: 1. Check upload errors, 2. Verify file type and size, 3. Prevent file overwriting, 4. Move files to a permanent storage location.

In PHPOOP, self:: refers to the current class, parent:: refers to the parent class, static:: is used for late static binding. 1.self:: is used for static method and constant calls, but does not support late static binding. 2.parent:: is used for subclasses to call parent class methods, and private methods cannot be accessed. 3.static:: supports late static binding, suitable for inheritance and polymorphism, but may affect the readability of the code.
