


Configure PHP+MySql environment under Mac OS, osphp+mysql_PHP tutorial
Configure PHP+MySql environment under Mac OS, osphp+mysql
Since mantis recently needs to be deployed for bug tracking, the process is recorded here.
Since the PHP apache environment comes with Mac OS, there is no need to install the installation package elsewhere, just a simple configuration.
First open the terminal and enter the command:
sudo vim /etc/apache2/httpd.conf
There is a line like this
#LoadModule php5_module libexec/apache2/libphp5.so
Remove the # sign in front.
Then open Sharing in System Preferences and check web sharing, as shown below
Restart apache, the command is as follows:
sudo apachectl restart
In this way, you can enter http://localhost/ in the browser, and if
appearsIt works!
Description of successfully configuring the php environment
Let’s configure the MySql environment.
First download the dmg installation package of MySql. The download address is: http://dev.mysql.com/downloads/mysql/
Open the dmg file. There are three installation items in it. I installed all three here. After MySQLStartupItem.pkg is installed, mysql will start automatically when the system starts. MySQL.prefPane indicates that the mysql option can be seen in the system preferences. , and the other one is the mysql installation item.
In this way, the installation is successful. Open mysql in the system preferences and enable the service. After installation, the default username is root and the password is empty. For security, we set a password.
Open the terminal. If you enter mysql and you are prompted that there is no such command, you need to configure the environment variables of the mysql bin directory. The directory is, /usr/local/mysql/bin/, add it to the PATH variable. Here I introduce another method,
Enter
in the terminalsudo vim /etc/bashrc
Then add
in it#mysql
alias mysql='/usr/local/mysql/bin/mysql'
alias mysqladmin='/usr/local/mysql/bin/mysqladmin'
In this way, if you enter mysql in the terminal, you will have this command. In fact, it is somewhat similar to the macro definition in our C/C++, and the alias is used instead.
Then we change the root password, the command is as follows:
mysqladmin -uroot password 12345
This will change the root password to 12345.
To manage Mysql, if it is troublesome to use the command line, the open source phpMyAdmin adopts C/S mode for easy management. Then we install phpMyAdmin. It is developed by php, and the download address is: http://www.phpmyadmin.net/home_page/downloads.php
Put the downloaded unzipped file in the /Library/WebServer/Documents/ directory. The complete directory is: /Library/WebServer/Documents/phpmyadmin/, then enter this directory with the command line,
Enter the command:
cp config.sample.inc.php config.inc.php
vim config.inc.php
Make changes as follows:
$cfg['blowfish_secret'] = '';//For cookie encryption, any long string
$cfg['Servers'][$i]['host'] = '127.0.0.1';//MySQL daemon does IP binding
Now you can enter the URL in the browser: http://localhost/phpmyadmin/
Server name: root
The password is the password you set.
You can log in to the mysql management interface.
Okay, the above is all about configuring the PHP+MYSQL environment in MAC OS. I hope you guys like it.

PHP is a server-side scripting language used for dynamic web development and server-side applications. 1.PHP is an interpreted language that does not require compilation and is suitable for rapid development. 2. PHP code is embedded in HTML, making it easy to develop web pages. 3. PHP processes server-side logic, generates HTML output, and supports user interaction and data processing. 4. PHP can interact with the database, process form submission, and execute server-side tasks.

PHP has shaped the network over the past few decades and will continue to play an important role in web development. 1) PHP originated in 1994 and has become the first choice for developers due to its ease of use and seamless integration with MySQL. 2) Its core functions include generating dynamic content and integrating with the database, allowing the website to be updated in real time and displayed in personalized manner. 3) The wide application and ecosystem of PHP have driven its long-term impact, but it also faces version updates and security challenges. 4) Performance improvements in recent years, such as the release of PHP7, enable it to compete with modern languages. 5) In the future, PHP needs to deal with new challenges such as containerization and microservices, but its flexibility and active community make it adaptable.

The core benefits of PHP include ease of learning, strong web development support, rich libraries and frameworks, high performance and scalability, cross-platform compatibility, and cost-effectiveness. 1) Easy to learn and use, suitable for beginners; 2) Good integration with web servers and supports multiple databases; 3) Have powerful frameworks such as Laravel; 4) High performance can be achieved through optimization; 5) Support multiple operating systems; 6) Open source to reduce development costs.

PHP is not dead. 1) The PHP community actively solves performance and security issues, and PHP7.x improves performance. 2) PHP is suitable for modern web development and is widely used in large websites. 3) PHP is easy to learn and the server performs well, but the type system is not as strict as static languages. 4) PHP is still important in the fields of content management and e-commerce, and the ecosystem continues to evolve. 5) Optimize performance through OPcache and APC, and use OOP and design patterns to improve code quality.

PHP and Python have their own advantages and disadvantages, and the choice depends on the project requirements. 1) PHP is suitable for web development, easy to learn, rich community resources, but the syntax is not modern enough, and performance and security need to be paid attention to. 2) Python is suitable for data science and machine learning, with concise syntax and easy to learn, but there are bottlenecks in execution speed and memory management.

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP uses MySQLi and PDO extensions to interact in database operations and server-side logic processing, and processes server-side logic through functions such as session management. 1) Use MySQLi or PDO to connect to the database and execute SQL queries. 2) Handle HTTP requests and user status through session management and other functions. 3) Use transactions to ensure the atomicity of database operations. 4) Prevent SQL injection, use exception handling and closing connections for debugging. 5) Optimize performance through indexing and cache, write highly readable code and perform error handling.

Using preprocessing statements and PDO in PHP can effectively prevent SQL injection attacks. 1) Use PDO to connect to the database and set the error mode. 2) Create preprocessing statements through the prepare method and pass data using placeholders and execute methods. 3) Process query results and ensure the security and performance of the code.


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