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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

oop - In Java, doubts about anonymous inner classes calling external class methods

Today I learned about inner classes and learned that inner classes can hold this of outer classes, so that OuterClass.this.medthod() can be used in inner classes to reference the corresponding outer class methods. But I wrote the code and it can run. However, I don't understand the calling logic ver...

漂亮男人 2017-05-17 10:07:37 0  1  1161

Below PHP 7.0, how should I write a self-calling function?

Teacher, please tell me how to write a self-calling function under PHP 7.0 or below.

弦知音 2018-12-13 09:43:01 0  0  910

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...}

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

PHP class variable calling problem

Is there any problem with writing like this?

僅有的幸福 2017-05-16 13:08:57 0  3  413

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_ 2021-10-17 22:05:54 0  7  1030

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

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_ 2021-10-13 10:21:27 0  6  1132

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

PHP OOP - Return result of $obj->get() and $obj->get()->count() without calling another method

It's hard to explain exactly what I want, but I have to try... LaravelEloquent inspired me to write a simple php class to use the database. As far as we know we can do this in Laravel: $run=DB::table('users')->where('id',3)->where('level',2)->get (); We also do this: $run=DB::table('users')...

P粉742550377 2024-04-01 12:28:10 0  1  625

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

Objective-c - Calling method in another class has no effect?

This is a framework I downloaded online and made some modifications. Clicking the arrow will pop up the title selection page. Clicking again will hide and display the row of titles above. This is the method called when hiding, (void)itemClick:(HASortButton *)item{ {code...}

給我你的懷抱 2017-05-02 09:25:22 0  1  748

php calling problem

<?php/** * File: demo.php * User: Administrator * Date: 2019/5/15 */require_once dirname(__FILE__) . '/lib/Api.php';/** * Modify to your own account /Password */$username = 'Account&#39

chen 2022-11-04 22:56:30 1  0  564

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

There is an error in article_list. I don't know why, but the banner can be displayed correctly.

<?php use app\admin\common\Base; use think\Request; class Article extends Base { /** * Display resource list * *

寶肚 2018-06-07 22:43:01 0  2  1582