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Is there a class tree?

Is there a class tree?

二哥 2021-02-21 19:08:28 0  1  1344

How to dynamically add activity class for menu loop in Vue Js?

How to add active class (activeclass) in the loop of dynamic display menu? I can't set activity class for opened menu. <av-bind:href="module.route"class="nav-link">//module.route is a database column<i:class="module.icon&a

P粉793532469 2023-08-25 20:24:48 0  1  515

In php, the class name::class, what does it mean?

I would like to ask: In the following PHP code, what does the class name::class mean? {code...}

曾經(jīng)蠟筆沒(méi)有小新 2017-06-30 09:54:29 0  2  1000

Will calling a static method directly using the class name in PHP trigger the constructor of the class or parent class?

As the title says, PHP calls static methods directly using the class name. Two questions: 1. Will the constructor of the current class be called? 2 Will the constructor of the parent class of the current class be called?

淡淡煙草味 2017-07-07 10:34:10 0  3  1554

php - When doing authorization management, an array of unknown depth needs to be traversed (in the form of a tree diagram). How can I write appropriate code?

How to implement traversal of infinite tree graph? PHP traversal.

巴扎黑 2017-05-16 13:15:40 0  2  509

Does anyone know where Jingshui Brother Shui has a PHP class?

Who knows where Brother Shui in Jingshui has a PHP class? Who knows where Brother Shui in Jingshui has a PHP class?

A0五花牛 2020-10-10 00:54:44 0  1  1212

PHP class attribute declaration?

<?php class Image{     private $path;     public function __construct($path = './'){      &nb

A _ Ｑ _ｉ_(kāi) 2021-10-17 22:05:54 0  7  1028

Reworded title: Why doesn't PHP handle "class not found" errors?

In the example below, I want to catch the error and create a Null class if the class does not exist. But despite my try/catch statements, PHP just tells me that the 'SmartFormasdfasdf' class is not found. How to get PHP to catch "class not found" errors? <?phpclassSmartFormLoginextendsS...

P粉475126941 2024-01-03 19:53:41 0  2  634

In the practical PHP imitation iQiyi tutorial, the solution to the problem that the 5-9 permission menu cannot be opened

In the practical PHP imitation iQiyi tutorial, the 5-9 permission menu does not load ‘children’ and the permission menu cannot be opened. Please give me some advice.

絔 2019-08-13 17:06:34 0  2  1534

When inserting data encapsulated by the PHP class, the insertion is always unsuccessful and false is returned;

<?php //Database operation class class Model{ Private $host; //Database address Private $user; //Database username Private $pwd; /

A _ Ｑ _ｉ_(kāi) 2021-10-13 10:21:27 0  6  1132

ThinkPhp5.1 implements menu tree output

First, create a method in common under the application. Here, we take the department data table as an example. The database table structure is as follows: Find the following sub-departments and output them in tree form. The code in common is: function GetMenuID($pid){ $list = \ think\Db::table("...

匯英拓達(dá)楊凱瑞*** 2019-04-29 15:02:07 0  0  1232

class - How does PHP implement that all subclass attributes have toArray() method?

How to implement in PHP that all properties of subclasses have toArray() method? After the call, it becomes an array. How to design the parent class? ?

阿神 2017-05-16 12:59:22 0  3  662

What is the difference between PHP class declaration and instantiation?

I am a newbie. I found that many tool classes can be used by directly declaring them. For example, {code...} in laravel makes me confused. Does declaring a class variable instantiate the code? After searching on Baidu, no one asked about this issue in PHP language, only Java, and Java is like this.....

習(xí)慣沉默 2017-05-16 13:10:23 0  2  566

Fatal error occurs in the test database: Class 'think\Controller' not found in C:\php\WWW\t\application\admins\controller\Test.php on line 8

Fatal error: Class 'think\Controller' not found in C:\php\WWW\t\application\admins\controller\Test.php on line 8 There is no foundation at all... the PHP integrated environment used

有宏陸 2019-06-17 17:24:09 0  2  1983

How to handle Uncaught Error: PHP/Composer class not found?

I'm starting a project with oop as a beginner and I'm trying to use some classes that I think will be recognized by vscode and composer because when I click on their namespace it directs me to the correct class, but when When I run the code in the browser I get a fatal error telling me that my class...

P粉304704653 2023-09-04 13:46:14 0  1  634

javascript - A class circular rotating menu implementation?

The design diagram is like this. Click on one of the elements, and then it will move in an arc along the white chain, like a turntable. If this is the case, how can it be implemented more simply and quickly? Please give me some ideas. -------Supplement-------On the mobile side, in fact, this piece i...

迷茫 2017-06-12 09:26:23 0  6  1093

javascript - Various design discussions on the interface main menu generation logic

The main menu is the kind of background management system in which you can control whether to display a certain menu or a certain function in a certain menu through configuration. Regarding its design and implementation, my personal summary is as follows. (1) Use a database table to save the main me...

大家講道理 2017-06-26 10:49:08 0  1  797

Preview of the teaching course on September 10, 2018: How to implement paging query data table and classification query for class encapsulation in PHP

Preview of the teaching content of the third online class of PHP Chinese website on September 10, 2018: 1. Teaching topic: How to use PHP to implement paging query data tables? Encapsulate classification queries into classes to achieve code reuse. For more detailed knowledge points, please pay atten...

藏色散人 2018-09-10 10:02:37 0  0  1376

Java's [EncryptUtill.java encryption class, what does it correspond to PHP? I found a few on the Internet, but after encryption, they can't match those of Java.

Java's [EncryptUtill.java encryption class, what does it correspond to PHP? I found a few on the Internet, but after encryption, they can’t match those of Java.

巴扎黑 2017-06-20 10:07:34 0  2  919

PHP Chinese website public welfare live class: "Revealing the whole process of Web projects from analysis to online", starting tonight!

A new large-scale free public welfare live class on the PHP Chinese website has started! For three consecutive nights, all P friends, please move your benches and get ready! Training objectives: reveal the complete process of a Web project from analysis and planning, environment construction, use of...

PHPz 2018-08-07 10:59:05 0  1  3128