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How does a PHP static method call a non-static method of the parent class?

1. this calls the parent class method: 2. self calls the parent class method: 3. parent calls the parent class method: Is there no way for a subclass static method to call a parent class non-static method?

淡淡煙草味 2017-06-08 11:01:40 0  5  1219

After cross-class call, method cannot be found

Do static method overloading to achieve chained access to the database exercise demo5.php references the Query.php class and then accesses the method in Query. The page prompts me that the method 'table' is not found in the Database. The following is the source code. I hope it can help. The first er...

方人胥 2021-06-12 17:16:18 1  2  1202

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

Bind custom method parameters to class attributes

Is there a way to bind a class attribute to a method parameter within the class so that a two-way link is established on Ctrl+click? class Attachment extends Repository { public $documents; public function fromDocuments(callable $scope) { $this->scopeOnRepoProperty($scope, 'doc'

P粉364642019 2023-07-28 17:29:03 0  1  651

Python - Return a new instance of itself through a class method

Define a class A and have a method with its own ID + 1. The code is as follows: {code...} Define instance x as class A with an id of 1 and print x.id: {code...} Now I want to create An instance y, which is also a class A, is created through the newid method of class A: {code...} You can get the accu...

漂亮男人 2017-05-18 10:53:17 0  2  769

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

Class library, how to use it, is there any detailed method?

My MySQL class library in PHP, after loading it with include, can only define variables. How to use the functions in it? It is useless to write the function name directly. Please give me a detailed method. Thank you.

哈哈哈哈。 2018-07-12 11:54:40 0  6  1387

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

Excuse me, if the method in the class has attributes, how should I call it back?

Excuse me, if the method in the class has attributes, how should I call it back??

弦知音 2018-12-14 11:44:06 0  0  885

How can the pagination method paginate() be called directly in the student model class? I'm a bit confused.

How can the pagination method paginate() be called directly in the student model class? I’m a bit confused.

城堡里的王子 2020-04-04 10:41:13 0  0  1162

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

The test database operation class db statically calls the getInstance method.

In the entry file idnex.php, new base.php calls the run method. How to complete the connection to the database in base.php. I don't see an instance of the db class in the code. Can any kind person explain this to me? Thanks!

航航 2022-08-18 17:23:59 0  1  934

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

suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will be used in the future.

The function has been implemented, but it has not been tested in other PHP versions. Dz Application Center customer service said: suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will not be supported in future PHP versions; ple...

°執(zhí)著. 2018-11-25 19:19:16 0  0  1000

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

java - How does SpringAOP obtain the annotation information on the class that executes the method?

The function I want to achieve is that if there is an annotation on the class that requires user verification, then the methods inside do not need to write this annotation one by one. If the method is annotated, the method's annotation shall prevail. After checking it, I found that most of the artic...

天蓬老師 2017-06-30 09:54:55 0  3  1082

Create REST API GET method with multiple filters in PHP

I created a RESTAPIGET method in php using parameter id. http://localhost:8012/REST-API/items/expenses?id=2. This works fine, but I want to use http://localhost:8012/REST-API/items/expenses?id=2&year=2022 to get the data. I am new to php and tried all possibilities but not getting the correct re...

P粉937769356 2024-01-29 13:03:56 0  1  514

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

Convert JAVA method to the same functionality in PHP

Because I only know PHP language here, I don’t understand a Java method very well, and I don’t know how to implement it in PHP. Could you please give me some advice: The Java source code is as follows: {Code...} The above method is done in PHP. How to achieve?

為情所困 2017-07-01 09:12:01 0  2  938

How to get internal variables outside method body in PHP?

1. Source code: {code...} 2. Question: How can the variable $result (italic) inside the function body be called outside the method body, that is, at the code dd ($result)? Solution: Reference: {Code...} Defining variables in the class can solve the problem. The disadvantage is that all methods in th...

過(guò)去多啦不再A夢(mèng) 2017-05-19 10:08:55 0  2  734