search
HomeBackend DevelopmentPHP TutorialLearn about PHP mvc development through examples

  1. require 'command/config.php';
  2. require 'command/app.php';
  3. app::run($config);
  4. ?>
Copy code

Load the system configuration file, and then load the system configuration through the engine.

2. Engine

  1. public function run($config){
  2. header("Content-type:text/html;charset=utf-8");
  3. self::$config = $config ; //Load system configuration
  4. self::copyright();
  5. self::testsystem(); //System environment
  6. self::setsystem(); //Set system parameters
  7. self::incinfo();
  8. if( !IN_WEB){exit('The website is closed for maintenance, please visit later!');}
  9. defined('KEHENG_DEBUG') or define('KEHENG_DEBUG',true); // Whether to debug mode
  10. self::setpath( ); //Set the system path
  11. self::getdatabase(); //Test the database
  12. self::loadlib(); //Load the library
  13. self::getRouteConfig(); //Run the route and load the controller
  14. }
Copy the code

First, set the configuration file, then test the system parameters, load the system module, obtain the website information file configured in, set the path required for the website, test the database parameters in the system configuration, load the library file, and finally It is to load the route to obtain the request address. The above process is just a set I wrote based on my own learning, but it lacks cache. How should the cache be set up specifically? The database test here is based on which type of database is configured, and then the encapsulation file for the operation of that type of database is loaded.

3. Routing The following is the last function above, which loads the controller file and obtains the request method according to the configuration file.

  1. /**
  2. 路由
  3. @link http://bbs.it-home.org
  4. */
  5. public function getRouteConfig(){
  6. $route_type=self::$config[route][url_type];
  7. switch($route_type){
  8. case 1:
  9. //echo $_SERVER['SCRIPT_NAME'].'
    ';
  10. $query_string=$_SERVER['QUERY_STRING'];
  11. //echo $_SERVER['REQUEST_URI'].'< ;br />';
  12. $urlstr=$_GET['controller'];
  13. break;
  14. case 4:
  15. $url = end(explode('/', $_SERVER["PHP_SELF"]));
  16. $ urlstr = strtolower(substr($url,0,-4));
  17. break;
  18. }
  19. if(file_exists(Contr_DIR.'Controller.php')){
  20. require Contr_DIR.'Controller.php';
  21. //echo $urlstr;
  22. $template = self::$config['Templates'];
  23. controller::load($urlstr,$template);
  24. }else{
  25. exit('Controller file does not exist');
  26. }
  27. }
Copy code

4. Controller The controller file is also quite simple. It just loads the model file and view file based on the address analyzed by the route.

  1. /**
  2. Controller
  3. @link http://bbs.it-home.org
  4. */
  5. class controller{
  6. public $obj;
  7. public function load($url,$template){
  8. $config=$template;
  9. if( file_exists(Model_DIR.$url.'.model.php')){
  10. $views = new views;
  11. //echo Model_DIR.$url.'.model.php';
  12. require Model_DIR.$url.'.model. php';
  13. $temp = $config[$url][0];
  14. if($temp!='' && $temp!=null && isset($temp)){
  15. if(file_exists(Templ_DIR.$temp) ){
  16. //echo Templ_DIR.$temp;
  17. require Templ_DIR.$temp;
  18. }else{
  19. exit('View file does not exist!'.$temp);
  20. }
  21. }else{
  22. exit('This page does not exist Set display template! '.$temp);
  23. }
  24. unset($views);
  25. }else{
  26. exit('Model file does not exist:'.$url.'.model.php');
  27. }
  28. }
  29. }
Copy code

Note: All the data that needs to be output in the model file is output through a class such as views, including all system parameters in the view file in the package. I don't know if this method is unnecessary. It turns out that I want to encapsulate all the data to be output. Other template files are also encapsulated with classes. As for how to write the cache in MVC, it is still a vague concept. When reading data, should the direction be to read the cache, then determine whether the cache exists, and then determine whether a cache needs to be established? Looking forward to the guidance of experts, please join the official QQ group of Scripting School: 161228069 to participate in the discussion.



Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
The Continued Use of PHP: Reasons for Its EnduranceThe Continued Use of PHP: Reasons for Its EnduranceApr 19, 2025 am 12:23 AM

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python: Exploring Their Similarities and DifferencesPHP and Python: Exploring Their Similarities and DifferencesApr 19, 2025 am 12:21 AM

PHP and Python are both high-level programming languages ​​that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP and Python: Different Paradigms ExplainedPHP and Python: Different Paradigms ExplainedApr 18, 2025 am 12:26 AM

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP and Python: A Deep Dive into Their HistoryPHP and Python: A Deep Dive into Their HistoryApr 18, 2025 am 12:25 AM

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

Choosing Between PHP and Python: A GuideChoosing Between PHP and Python: A GuideApr 18, 2025 am 12:24 AM

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP and Frameworks: Modernizing the LanguagePHP and Frameworks: Modernizing the LanguageApr 18, 2025 am 12:14 AM

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHP's Impact: Web Development and BeyondPHP's Impact: Web Development and BeyondApr 18, 2025 am 12:10 AM

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

How does PHP type hinting work, including scalar types, return types, union types, and nullable types?How does PHP type hinting work, including scalar types, return types, union types, and nullable types?Apr 17, 2025 am 12:25 AM

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values ​​and handle functions that may return null values.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

MantisBT

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

Dreamweaver Mac version

Dreamweaver Mac version

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

WebStorm Mac version

WebStorm Mac version

Useful JavaScript development tools