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I would like to ask, is dependency injection implemented by the framework, or does PHP have this way of writing?

Is dependency injection implemented by the framework, or does PHP have this way of writing?

小泥吧℡??? ???? ???? 2019-08-04 21:17:48 0  1  1600

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

The c++ declaration is placed in the a.h file, and the implementation is placed in a.cpp. Why can the class implemented in a.cpp be used by referencing a.h in main.cpp?

Use visual studio to write a C++ program. The C++ declaration is placed in the a.h file, and the implementation is placed in a.cpp. Why can you use the class implemented in a.cpp by referencing a.h in main.cpp, but an error will be reported when referencing a.cpp? . I don't understand the rules very...

為情所困 2017-05-31 10:39:52 0  2  999

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

php - The paging set by the LinkPager paging component of the yii2 framework. The controller cannot get the current page number in the URL.

{Code...} As shown above, I want to delete a user in the administrator list page and stay in the current list page, but the page parameter in the URL cannot be obtained here. Thanks for all the answers.

為情所困 2017-07-04 13:45:56 0  3  990

php - A certain function can be implemented using a function. Is it necessary to use a class to implement it?

I use PHP. Most of the functions in the project I am writing now are encapsulated into functions. When needed, just require, and then pass the parameters to call the function. I don’t know if this will be bad. Is it still possible? Should we use classes to implement it? Take the homepage of the webs...

滿天的星座 2017-05-31 10:33:09 0  10  900

PHP operates the database through steps to register a user

PHP operates the database through steps to register a user. In this tutorial, the connect.php code we implemented is as follows: The code below this line shows failure after registration. The ID inserted by the current user is 0. What is the problem with waiting for the enemy?

Xn 2019-08-03 22:59:37 0  0  1273

Urgent request for tp5 ajax request. Data cannot be added to the database.

<?php/** * Created by PhpStorm. * User: Administrator * Date: 2018-4-3 * Time: 15:23 */namespace app\index\controller;use app\common\controller\Base;use app\common\model\Test as TestModel;class Tes

phpcn_u102592 2018-04-08 20:17:33 0  1  2652

javascript - Can anyone take a look at how this website is implemented? Some pages are written in Vue.

http://bravetime.davdian.com/This is written by Vue. 1. Is this server-side rendering or a spa application? 2. If it is server-side rendering, how is it implemented? 3. Why not just use php, jsp, ejs? What are the benefits of having to go through so much trouble to implement those templates?

某草草 2017-06-12 09:23:49 0  1  761

How PHP interfaces actually change the behavior of classes

According to the PHP documentation, object interfaces allow you to create code that specifies which methods a class must implement without defining how those methods are implemented. So, the interface is like a class with predefined methods, which still need to be accessed using -> notation. Howe...

P粉289775043 2023-09-02 23:49:28 0  1  706

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  1131

laravel-php How to create a class in the vendor directory by yourself to achieve automatic loading

(www.sf.gg) is China's leading developer technology community. We hope to provide a pure, high-quality technical exchange platform for programming enthusiasts, learn, communicate and grow with developers, and create an era for developers!

phpcn_u1582 2017-05-16 13:05:55 0  1  561

php advanced path

I have been working in PHP for more than two years and have been responsible for the company's backend maintenance. I have developed two projects based on tp5.1. I still use one-click to generate the backend framework FastAdmin. I feel that there is no progress. Now I want to learn PHP in depth, so ...

Mind 2019-11-28 11:38:41 0  2  1339

How to disable PHP reporting SQL errors?

I have my own PHP data class that logs MySQL errors to a txt file using mysqli_error($this->conn). Everything was working fine until I set PHP error handling to E_ALL. Now PHP intercepts the error and it doesn't have a chance to be handled by my MySQL error handler. This wouldn't be a problem exc...

P粉550257856 2023-09-05 17:14:24 0  1  796

Extend PHP classes used internally without changing dependencies

I want to override a PHP class in Laravel, but it is being extended by several other classes that I don't want to bother with. The overall structure is as follows classAextendsR{}classBextendsR{}classCextendsR{}classDextendsR{}where A/B/C/D/R are all classes in the external package. I want to extend...

P粉278379495 2024-01-10 17:24:16 0  1  506

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

What is the modern equivalent of LESS string-set

For an example of string sets and their uses, see Using LESS String Set Properties and Content Methods After much confusion I discovered that this is outdated and hasn't been implemented since Chrome version 39, although it is apparently in LESS continue to exist. The textbook use case is to get the...

P粉993712159 2024-04-02 13:29:36 0  1  655

I know how to cut pictures on the front end and want to learn PHP website development. I would like to ask for a complete class video of the physical class of a first-line PHP institution in Beijing.

I know how to cut pictures on the front end and want to learn PHP website development. I would like to ask for a complete class video of the physical class of a first-line PHP institution in Beijing. I learned front-end cutting at an institution before, and then became a cutter, but I didn’t have mu...

. 2017-08-28 14:28:41 0  1  1506

[Public Welfare Live Broadcast Preview] PHP Chinese Network's last free public welfare live broadcast preview in 2018!

On Double Twelve, in addition to Taobao, you might as well come to PHP Chinese website Taotao class. Investing in your own brain is always the most cost-effective, isn't it? More fun and interesting things can be found in the public welfare live broadcast dinner prepared by php Chinese website for y...

z老師 2018-12-10 13:23:30 0  1  5444

Ask: Why can't the ajax submitted data be transmitted to the controller?

When I was studying the "Latest ThinkPHP 5.1 World Premiere Video Tutorial (60 Days to Become a PHP Master Online ** Class)" by teacher Peter.zhu, in the section "10-3 Preliminary Implementation of User Registration Function", why Why can't my ajax submission data be passed to th...

清晨的粥 2019-09-18 14:26:09 0  3  1358