How to use curl's get and post general classes in PHP,

This is the download address of the class //m.sbmmt.com/xiazai/leiku/438. Newbies know how to use it. Please give me an example.

phpcn_u2364 2017-05-27 14:58:06 1  1  1105

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  608

An error is reported when testing the database. What is the problem? ? ?

SQLSTATE[HY000] [2054] Connecting to 3.22, 3.23 & 4.0 servers is not supported. I installed mysql 5.5, which should be an older version. I used php that comes with phpStudy. I think there should be no problem. of

大月半仙狗 2018-07-10 09:37:03 0  6  1759

How to make methods under classes automatically complete in sublime?

I now use the sublime editor as a PHP learning and development tool. When I followed the study, I found that when Teacher Zhu entered the getLastInsID method under the Db class, he only needed to enter get and 3 Db class containing get would be brought out. method, and then quickly select one of the...

Binbin(斌斌老师) 2019-03-28 13:08:49 0  2  969

mysqlsh dump and load full schema

I want to use mysqlsh to do the following: dump the complete schema of a given database (not just tables, but functions, triggers and everything related to this database schema, same as mysqldump-RDATABASE>DATABASE.sql) and put this The full schema is loaded into the brand new database I just cre...

P粉662802882 2024-03-26 15:02:15 0  1  471

How to build cross database query in PHP?

In our last episode (How to Build Cross-Database Queries in MySQL), I learned how to build cross-database queries in MySQL. This worked great, but when our hero tried to use this newfound knowledge in PHP, he found that his best friend failed. I looked into PHP's mysql_select_db. This seems to mean ...

P粉197639753 2023-10-22 11:40:00 0  2  682

How to connect mysql or mssql when building php8.0 on debian11

In mac, use docker to build a development environment, nginx+php8.0, and you can already access the website. Now the databases mysql, mssql and other databases built by docker can be successfully connected using Navicat, but to connect to php on the web page, you need to install apt- get..., and the...

大笨牛 2023-11-20 21:22:36 0  0  313

Recruiting PHP development engineers

Job Responsibilities: 2+ years of PHP development experience, proficient in MySQL database, familiar with Linux operations, and able to use Git, continuous learning ability, good at communication, strong ability to withstand pressure, focus on efficiency, familiar with HTML5, CSS3, JavaScript and ot...

手机用户1617931986 2022-09-08 09:31:12 0  2  1032

How to search and filter data in a table using PHP?

I want to search and filter data in a table but I don't know how to do it as I'm currently learning php. This is my php script for searching the data <?phprequire('./conn.php');if(isset($_POST['search'])){$valueToSearch=$_POST['query'];// searchinalltablecolumns//usingconcatmysql<function>&...

P粉287726308 2023-12-29 14:08:25 0  1  514

Count the number of Laravel and Mysql related models through intermediate tables using additional conditions.

I have a MySQL query built using Laravel Eloquent's eager loading and withCount functions, but I have some performance issues when dealing with large datasets, is there any way to improve the query below? I need to get all stores and the product quantities related to the stores (via an intermediate ...

P粉514458863 2023-07-24 15:47:02 0  1  606

Multiple starting letters for sorting countries

Now in my high school class we are learning about MySQL and how to select and sort items based on certain criteria. For example SelectCountryCodefromCountrywherecodelike'_W%' This code works in my database, but there is another problem that I can't solve: retrieving all data for countries that start...

P粉797855790 2024-03-30 22:35:22 0  2  512

MySQL - complex hierarchical relationships - multiple M:N?

I have a MySQL query that I use with PHP to build hierarchical JSON for a d3.js tree/dendrogram. Fiddle to view schema and existing queries. I am now considering how to add an additional data relationship D between program_outcome data O and unit data U and development_level data, which is a many-to...

P粉354948724 2024-03-29 18:28:45 0  1  472

What is the difference between PHP Toolbox and Xiaopi Panel?

I used the PHP toolbox in the past and found it very useful. Recently I changed my computer and reinstalled it for learning PHP. I downloaded the Xiaopi panel and found it more convenient to configure. However, the Xiaopi panel is based on the LINUX system, and My computer is a Windows 10 system. It...

juni 2020-02-17 00:07:11 0  0  1334

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  775

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  703

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  594

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  552

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  982

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  496

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  684