Regarding whether it is necessary to create a new Base.php. . . .

Isn't there a public common class in thinkphp5? Moreover, there is also a common class definition under the default APP. If there is no common under the module, it will be inherited under the APP. After the common.php file is created under the controller module, it can be inherited directly without ...

A.zl 2017-09-09 22:03:07 0  1  1148

Is there a way to inherit the parameters in the thinkphp5 module configuration from the application configuration?

When the module configuration defines a parameter with the same name as the application configuration, such as view_replace_str, both the module configuration and the application configuration define this parameter. The value in the application configuration will be overwritten. Is there a way to in...

DaVinci 2019-09-06 11:37:45 0  0  887

This is a big php programming question. I have no choice. Please help.

Define a parent class Person (person), including two attribute members xm (name) and xb (gender) and a constructor. xm and xb cannot be read and written directly in the main program. The name and gender are initialized in the constructor. . Define a subclass teacher (teacher) inherited from Person, ...

有为鱼 2019-01-08 15:02:44 0  3  1108

objective-c - How to implement multiple layouts in a collectionview?

The home page has been revised. The styles are as shown in Figures 1 and 2. Since 1 will have an extra line, I developed it according to ios - a method to solve the problem of UICollectionView's cell spacing not matching the settings. I rewrote a class LCHomeFlowLayout that inherits UICollectionView...

漂亮男人 2017-05-02 09:29:10 0  0  689

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  623

The examples in this section report an error when typed.

When using use to import a namespace, a syntax error will be displayed, or it will be displayed that the class in the namespace has been defined. The PHP version is 7.2.10.

宝怡 2019-07-23 13:28:20 0  5  1347

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  1281

Sage Pay/Opayo Forms Integration - PHP 8.1 - PHP Fatal Error: Uncaught Error: Attempt to assign property 'start' on null

I'm glad there are similar questions but I can't get any solution to work with my (inherited) code so any help you can provide would be greatly appreciated. We use SagePay/Opayo payment gateway via form integration. Upon completion/failure, the customer will be redirected to a URL on our website wit...

P粉872182023 2023-09-07 22:16:21 0  1  583

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...

°执着. 2018-11-25 19:19:16 0  0  899

Uncaught TypeError: Cannot set property of undefined (set 'innerHTML')

I'm trying to create a webpage using php, on an element of class "Continuous TextBox" (defined by my class), when clicked I have to start a Javascript function that should change the content of another function id "harta-modal" ” element, but that won’t happen. I keep getting the...

P粉022140576 2023-11-08 21:06:09 0  1  826

Is JavaScript a pass-by-reference or pass-by-value language?

Primitive types (numbers, strings, etc.) are passed by value, but objects are unknown, since they can all be passed by value (in which case we think the variable holding the object is actually a reference) and pass-by-reference (when we think of an object's variables as holding the object itself). A...

P粉450744515 2023-08-23 18:58:12 0  1  538

Is JavaScript a language that uses pass-by-reference or pass-by-value?

Primitive types (numbers, strings, etc.) are passed by value, but objects are unknown since they can all be passed by value (in this case, the variable we think holds the object is actually a reference to the object) and pass-by-reference (when we think of an object's variables as holding the object...

P粉002546490 2023-10-11 17:50:30 0  1  739

Resolving undefined type 'App\PDO' error: Fix when trying to create a PHP CRUD application profile using PDO

Entire project - https://github.com/steve-davey/phpsqliteconnect (config file is obsolete) This is the config file: <?phpnamespaceApp;classConfig{/***Path to sqlite file*/constPATH_TO_SQLITE_FILE='db/DeviceAssetRegister. db';}/*Database credentials. Assume you are running a MySQL server with defa...

P粉235202573 2023-08-31 15:23:03 0  1  569

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47 0  1  823

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42 0  1  725

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28 0  1  615

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32 0  1  577

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44 0  1  1004

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21 0  1  506

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38 0  1  698