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ThinkPhp5.1 implements menu tree output

First, create a method in common under the application. Here, we take the department data table as an example. The database table structure is as follows: Find the following sub-departments and output them in tree form. The code in common is: function GetMenuID($pid){ $list = \ think\Db::table("...

匯英拓達(dá)楊凱瑞*** 2019-04-29 15:02:07 0  0  1235

How to use mysqli to determine whether a MySQL database exists in PHP?

How to use the mysqli statement in PHP to accurately determine whether a MySQL database exists? In addition, how to determine whether a table in the database exists? In addition, what do the two styles provided in the official PHP documentation mean? Object-oriented style and process-oriented style....

淡淡煙草味 2017-06-14 10:49:52 0  1  1154

Rewrite the title as: Convert php laravel's sql code to postgres format

I'm rewriting a web application written in php and laravel into a JavaScript stack. Currently I'm redesigning my database schema, which seems to be mysql to postgres. I'm a little confused about some of the syntax of the following createtable command publicfunctionup(){Schema::create('sessions',func...

P粉252116587 2024-01-16 13:47:34 0  1  584

How to export partial rows of a MySQL table from WHERE clause?

How to export certain rows of MySQL table using where clause from PHP script? I have a MySQLsay test and I want to use a PHP script to create an importable .sql file for rows with ids between 10 and 100. I want to create a sql file test.sql which can be imported into a MySQL database. My code: $con=...

P粉054616867 2023-10-21 11:41:17 0  2  822

Sum a specific range of numbers in a column using MYSQL

I have a slider that calculates the BPM of a song. Range is 15 to 300bpm. It uses php language to connect to MySql database and when I press edit button I can change its value. For example from 50 to 55bpm. table=users|columns=song_one.

P粉821274260 2023-09-04 19:06:25 0  1  733

Retrieve nested related values ??in mysql

I'm trying to retrieve related values ??based on multiple entries in a database. I'm very new to MySQL when it comes to using JOINs etc and I'm trying to avoid involving PHP unnecessarily. When I say "retrieve nested related values", look at this example: "Person"table"Langu...

P粉007288593 2024-04-04 17:29:06 0  2  678

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  666

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1458

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  3012

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1234

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1253

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚(yáng) 2017-10-11 08:00:11 0  0  1168

How to install php7

我無限黑暗里的小太陽▼ 2017-10-11 09:11:44 0  1  1168

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過 2017-10-11 10:20:08 0  1  1406

There is no WWW file in the phpStudy directory. Enter localhost in the website and the hello world solution will come out directly! I created the WWW folder in the root directory and then created an abc.php. localhost/abc.php still didn't come out and an error was reported. not found

<?phpphpinfo();?>

M..moli瞎 2017-10-11 11:45:27 0  7  5248

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

極世 2017-10-11 12:33:15 0  1  1724

How to uninstall phpstudy.

whlyx 2017-10-11 15:53:03 0  2  1793

An error warning appears when phpstudy enters the database

Hirtdye 2017-10-11 17:12:35 0  2  1649

Problem with bool value output

<?php//In fact, it can be lowercase, but it is difficult to distinguish, so we stipulate that it is usually uppercase define('xiaoxie',true);echo xiaoxie;$hello=flase;echo $hello;?>Why is the output result of the previous code 1? The subsequent output result is false, shouldn't it be 0?

益?zhèn)?2017-10-11 20:37:54 0  1  1759

PHP source code encryption problem

I just finished writing a website, and the concept of source code encryption has always been vague, and there is very little online information. I would like to know the following questions: 1: There are encryption tools on the Internet. This is easy to understand, but some of them are just function...

按鍵盤手指磨破皮 2017-10-12 01:29:15 0  2  1742