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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)蠟筆沒有小新 2017-06-30 09:54:29 0  2  1002

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

Retrieve documents in a nested collection

I'm working on a React project in which I want to list documents for logged in users. The structure is as follows, the document I want to read is in the collection. The database structure is as follows: users (collection)->user (document)->repos (collection)->repo (document)->files (coll...

P粉682987577 2024-03-22 13:50:45 0  1  1392

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

angular.js - What is the difference between ng-class and class in angularjs? How to use ng-class?

What is the difference between ng-class and class in angularjs? How to use ng-class?

淡淡煙草味 2017-05-15 17:02:47 0  3  859

What is the difference between collection and array in laravel?

What is the difference between collection and array in laravel?

高洛峰 2017-05-16 16:46:40 0  2  647

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

Firestore method to get random documents in collection

It is crucial for my application to be able to randomly select multiple documents from a collection in Firebase. Since there is no built-in native function in Firebase (that I know of) to implement a query that does this, my first thought was to use a query cursor to pick a random starting and endin...

P粉277305212 2023-10-19 11:39:22 0  2  1324

A Class is clearly created, but when referenced in another php file, it prompts class not found!

錯(cuò)誤提示： Fatal error: Uncaught Error: Class 'frameworkdbMysqli' not found in C:Users11500DesktopdemoProjecttestTest.php:7 Stack trace: #0 {main} thrown in C:Users11500DesktopdemoProjecttestTest.p...

世界只因有你 2017-06-16 09:18:31 0  3  1031

php - laravel5.4 prints Auth::check(); in the constructor of the class and returns false, and prints it in the method of the class and returns true

Please help! laravel5.4 prints Auth::check(); in the constructor of the class; it returns false, and prints it in the method of the class and returns true. Make sure you are logged in. As shown in the figure: it returns false.

怪我咯 2017-05-16 12:58:35 0  2  1206

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

Why can't the request class be introduced in the BASE class?

As mentioned, I cannot use it after introducing it in the base class.

xjcnet 2020-07-19 14:08:36 0  0  1164

PHP class attribute declaration?

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

A _ Ｑ _ｉ_ 2021-10-17 22:05:54 0  7  1030

Custom class cannot be found in Laravel 10

I created a custom class in laravel10 located at: App\Helpers\CompletedOrders The class contains the following code:

P粉933003350 2023-08-15 21:46:13 0  1  625

What is the difference between using a file in a class and using a file outside a class in Laravel?

What is the difference between using a file in a class and using a file outside a class in Laravel? For example, we often see a bunch of uses after the namespace. These uses are outside the class, and some uses are inside the class. What is the difference between the two? Example: HttpControllersAut...

ringa_lee 2017-05-16 16:47:46 0  1  607

How to pass class-defined variables to class methods in PHP?

I want to pass the value of a variable I defined in a class to its method. I know I can set a default value using the = symbol in the parentheses of the method, but this seems redundant since I already have the variable defined. Is this possible? classCar{var$num_wheels=4;var$model="BMW";f...

P粉436688931 2023-09-13 21:12:48 0  1  688

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

PHP class variable assignment problem

As shown in the picture, I want to know why class variables cannot be assigned to object method variables, but they can be assigned in constructors.

phpcn_u1582 2017-05-16 13:03:21 0  4  484

php - 求教：Fatal error: Class 'Memcache' not found in...

1.Fatal error: Class 'Memcache' not found in F:PHPhtdocsedscwLibInit.php on line 5; {Code...} 2.The memcache extension has also been installed in php.ini, as follows: {Code...} 3 .Check from the task manager that memcached is running...

某草草 2017-06-06 09:54:06 0  4  1267

javascript - How to implement the collection function without refreshing in php, it is best to have an example~

How to combine php with ajax to realize the collection function without refreshing. It is gray before clicking on an icon and red after clicking. It is best to have an example~Thank you guys~

淡淡煙草味 2017-07-05 10:02:03 0  5  4554