<i id="0lkxs"></i>

<pre id="0lkxs"></pre>
  • <thead id="0lkxs"></thead>\n

    Welcome to My Page<\/h1>\n<\/body>\n<\/html><\/pre>
    1. Present data<\/li><\/ol>

      In web applications, presenting data is essential. In the Yii framework, rendering data into a view is very simple. You can pass data from the controller to the view and render the data in the view via PHP code. For example, if you want to display some data in the \"index\" view, you can assign the data to the view and use the following PHP code to render the data in the view: <\/p>

      public function actionIndex()\n{\n    $data = array('title' => 'My Page');\n    return $this->render('index', $data);\n}<\/pre>

      In the above code, the data array will Passed through the view. In a view, you can use PHP's \"echo\" function to render the data. For example, the following code will render the \"title\" value in the array: <\/p>

      \n\n    <?php echo $title; ?><\/title>\n<\/head>\n<body>
      <h1><a href="http://miracleart.cn/">国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂</a></h1>\n    <h1>Welcome to <?php echo $title; ?><\/h1>\n<\/body>\n<\/html><\/pre><ol start=\"6\"><li>Database Access<\/li><\/ol><p> In a web application, database access is a crucial part . The Yii framework provides a powerful ORM (Object Relational Mapper) tool that supports almost all popular relational databases. In Yii framework, you can use \"ActiveRecord\" mode to access the database. With ActiveRecord, you can map database tables to PHP classes and use the corresponding methods to perform common database operations (such as query, delete, update, etc.). For example, the following code queries all records in a database table: <\/p><pre class='brush:php;toolbar:false;'>$list = MyModel::find()->all();<\/pre><p> In the above code, \"MyModel\" is the name of the PHP class that encapsulates the interaction with the database table. Here, \"find\" is a query builder in Yii, and the \"all\" method returns all query results. You can use other methods to perform different query operations. <\/p>\n<ol start=\"7\"><li>Summary<\/li><\/ol>\n<p>In this article, we discussed how to use Yii framework to build web applications. We first learned how to install the Yii framework and then created a new application. Next, we created the controller and actions and wrote the appropriate code to render the page. We also learned how to pass data to a view and render the data in the view. Finally, we learned how to use the Yii framework's ORM tool to access the database. By using the Yii framework, you can easily build efficient, maintainable and scalable web applications. <\/p>"}	</script>
      	
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      						<span>How to use Yii framework in PHP</span>
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      							<h1 class="Articlelist_txts_title">How to use Yii framework in PHP</h1>
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      							<span id="377j5v51b"    class="Articlelist_txts_time">Jun 27, 2023 pm	 07:00 PM</span>
      															<div   id="377j5v51b"   class="Articlelist_txts_infos">
      																			<span id="377j5v51b"    class="Articlelist_txts_infoss on">php</span>
      																			<span id="377j5v51b"    class="Articlelist_txts_infoss ">use</span>
      																			<span id="377j5v51b"    class="Articlelist_txts_infoss ">yii framework</span>
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      					<p>With the rapid development of web applications, modern web development has become an important skill. Many frameworks and tools are available for developing efficient web applications, among which the Yii framework is a very popular one. Yii is a high-performance, component-based PHP framework that uses the latest design patterns and technologies, provides powerful tools and components, and is ideal for building complex web applications. In this article, we will discuss how to use Yii framework to build web applications. </p>
      <ol><li>Installing Yii Framework</li></ol>
      <p>First, you need to download the Yii framework from the official website of the Yii framework (https://www.yiiframework.com/). You can download the latest version of Yii, unzip its contents, and place it in the root directory of your web server. Before using the Yii framework, we need to ensure that your system has PHP and a web server (such as Apache, Nginx, etc.) installed. After ensuring that the installation is complete, we can start using the Yii framework. </p>
      <ol start="2"><li>Create a new application</li></ol>
      <p>Yii framework provides a command line tool called "Yii Command Line Tool", which can help you quickly create a new Yii app. You can enter the following command in the terminal or command line: </p><pre class='brush:php;toolbar:false;'>php yiiApp name</pre><p>where "name" is the name you want to give the application. Running this command will create a new folder named "name" and add a new Yii application inside it. In this new application, you can start creating pages, controllers, and models. </p><ol start="3"><li>Creating Controllers and Actions</li></ol><p>In the Yii framework, the controller is one of the core components of a web application. The controller is responsible for processing requests from the client and responding to corresponding actions. You can use the Yii command line tool to create controllers. For example, to create a controller named "site", you can type the following command in the terminal: </p><pre class='brush:php;toolbar:false;'>php yii controller/create site</pre><p>The Yii framework will create a file named "SiteController.php" in the new application. You can write logic in this file to handle requests. For example, if you were to write an action named "index" in your controller, you would do this: </p><pre class='brush:php;toolbar:false;'>public function actionIndex()
      {
          return $this->render('index');
      }</pre><p>This action returns a view named "index". View is another important component in Yii framework, which is responsible for rendering HTML pages. Next, we'll take a closer look at views. </p><ol start="4"><li>Create a view</li></ol><p>In the Yii framework, the view is responsible for presenting the data returned by the controller action. A view can be an HTML file that contains all the code used to render the page. You can use Yii command line tools to create views. For example, to create a view called "index" you can type the following command in the terminal: </p><pre class='brush:php;toolbar:false;'>php yii view/create site/index</pre><p> This will create a file called "index.php" in the controller "SiteController" directory . In this file, you write HTML code to create the page for the action. For example, here is an example of creating a simple page: </p><pre class='brush:php;toolbar:false;'><html>
      <head>
          <title>My Page</title>
      </head>
      <body>
          <h1>Welcome to My Page</h1>
      </body>
      </html></pre><ol start="5"><li>Present data</li></ol><p>In web applications, presenting data is essential. In the Yii framework, rendering data into a view is very simple. You can pass data from the controller to the view and render the data in the view via PHP code. For example, if you want to display some data in the "index" view, you can assign the data to the view and use the following PHP code to render the data in the view: </p><pre class='brush:php;toolbar:false;'>public function actionIndex()
      {
          $data = array('title' => 'My Page');
          return $this->render('index', $data);
      }</pre><p> In the above code, the data array will Passed through the view. In a view, you can use PHP's "echo" function to render the data. For example, the following code will render the "title" value in the array: </p><pre class='brush:php;toolbar:false;'><html>
      <head>
          <title><?php echo $title; ?></title>
      </head>
      <body>
          <h1>Welcome to <?php echo $title; ?></h1>
      </body>
      </html></pre><ol start="6"><li>Database Access</li></ol><p> In a web application, database access is a crucial part . The Yii framework provides a powerful ORM (Object Relational Mapper) tool that supports almost all popular relational databases. In Yii framework, you can use "ActiveRecord" mode to access the database. With ActiveRecord, you can map database tables to PHP classes and use the corresponding methods to perform common database operations (such as query, delete, update, etc.). For example, the following code queries all records in a database table: </p><pre class='brush:php;toolbar:false;'>$list = MyModel::find()->all();</pre><p> In the above code, "MyModel" is the name of the PHP class that encapsulates the interaction with the database table. Here, "find" is a query builder in Yii, and the "all" method returns all query results. You can use other methods to perform different query operations. </p>
      <ol start="7"><li>Summary</li></ol>
      <p>In this article, we discussed how to use Yii framework to build web applications. We first learned how to install the Yii framework and then created a new application. Next, we created the controller and actions and wrote the appropriate code to render the page. We also learned how to pass data to a view and render the data in the view. Finally, we learned how to use the Yii framework's ORM tool to access the database. By using the Yii framework, you can easily build efficient, maintainable and scalable web applications. </p><p>The above is the detailed content of How to use Yii framework in PHP. For more information, please follow other related articles on the PHP Chinese website!</p>
      
      
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      								<p class="Articlelist_txts_p">PHPbecamepopularforwebdevelopmentduetoitseaseoflearning,seamlessintegrationwithHTML,widespreadhostingsupport,andalargeecosystemincludingframeworkslikeLaravelandCMSplatformslikeWordPress.Itexcelsinhandlingformsubmissions,managingusersessions,interacti</p>
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      								<span id="377j5v51b"    class="Articlelist_txts_time">Jun 22, 2025 am	 01:00 AM</span>
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      								<span id="377j5v51b"    class="Articlelist_txts_time">Jun 22, 2025 am	 01:00 AM</span>
      								<p class="Articlelist_txts_p">You can embed PHP code into HTML files, but make sure that the file has an extension of .php so that the server can parse it correctly. Use standard tags to wrap PHP code, insert dynamic content anywhere in HTML. In addition, you can switch PHP and HTML multiple times in the same file to realize dynamic functions such as conditional rendering. Be sure to pay attention to the server configuration and syntax correctness to avoid problems caused by short labels, quotation mark errors or omitted end labels.</p>
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      								<p class="Articlelist_txts_p">The key to writing clean and easy-to-maintain PHP code lies in clear naming, following standards, reasonable structure, making good use of comments and testability. 1. Use clear variables, functions and class names, such as $userData and calculateTotalPrice(); 2. Follow the PSR-12 standard unified code style; 3. Split the code structure according to responsibilities, and organize it using MVC or Laravel-style catalogs; 4. Avoid noodles-style code and split the logic into small functions with a single responsibility; 5. Add comments at key points and write interface documents to clarify parameters, return values ??and exceptions; 6. Improve testability, adopt dependency injection, reduce global state and static methods. These practices improve code quality, collaboration efficiency and post-maintenance ease.</p>
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      								<p class="Articlelist_txts_p">Yes,youcanrunSQLqueriesusingPHP,andtheprocessinvolveschoosingadatabaseextension,connectingtothedatabase,executingqueriessafely,andclosingconnectionswhendone.Todothis,firstchoosebetweenMySQLiorPDO,withPDObeingmoreflexibleduetosupportingmultipledatabas</p>
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