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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_(kāi) 2021-10-13 10:21:27 0  6  1141

After cross-class call, method cannot be found

Do static method overloading to achieve chained access to the database exercise demo5.php references the Query.php class and then accesses the method in Query. The page prompts me that the method 'table' is not found in the Database. The following is the source code. I hope it can help. The first er...

方人胥 2021-06-12 17:16:18 1  2  1224

Required to be compatible with PDOStatement::fetchAll(int $mode = PDO::FETCH_DEFAULT, mixed ...$args)

Our client has a drupal website, but the host forces all clients to go from PHP7.4 to PHP version 8, resulting in a PDO fatal error that prevents the website from loading. Received error: Fatal error: Statement Drupal\Core\Database\Statement::fetchAll(int$mode=PDO::FETCH_DEFAULT, $column_index=null,...

P粉308089080 2023-12-10 23:55:42 0  1  631

PHP automatically performs the login operation after discovering that the login has expired, and then continues the previous step.

Conditions: There is a third-party website, and every step of the operation needs to be logged in. Now I have built a simple front-end page and used PHP to make a springboard in the middle. Process: Every request on the page I built is transmitted to the PHP springboard through ajax, and then the PH...

暖暖橙 2022-06-13 15:06:16 0  1  1405

I would like to ask if PHP can read the mssql record set directly and store it directly into an array? Thank you

It used to be asp, but now it is transferred to php. For example, $sql = "SELECT * FROM abcDB"; //Record 20 records. How to get a two-dimensional record set and store it in an array at one time. Reason: After the database operation is completed, I want to disconnect. The data is slowly cir...

stock2 2019-04-27 20:02:10 0  1  1097

How to write in PHP to log in to different pages with different usernames and passwords

As a novice, I originally imagined that when adding a user, I would select the value of value, enter the username and password when logging in, and at the same time determine whether the value of the selected value is 0 or 1. When entering different pages, the name of value saved in the database is ...

TimeLimit 2018-06-17 13:51:17 0  1  1446

I would like to ask: Why does PHP only calculate the addition of two pieces of data? How can you find the sum of all numbers?

This is the template of finecms. There is such a loop, which displays the transaction information posted by members. Each information has replies from other members. This reply contains the amount, and an operation is written in PHP (just for display, (not written to the database), but it only calcu...

劉暢 2020-08-31 18:35:16 0  1  1132

Please report to developers: PDO::__construct(): Server-sent charset (255) not recognized by client

I'm trying to connect to a MySQL database from a Symfony3 application. But when trying to create a MySQL schema from the Symfony console command, I get this error: PDO::__construct(): The server sent a character set (255) unknown to the client. Please report to the developers that both PHP and MySQL...

P粉808697471 2023-10-16 10:02:44 0  2  1327

Please tell me how to delete a record using native PHP PDO. It has been unsuccessful and I don't know where the mistake is.

Please give me some advice on deleting a record in native PHP PDO. I have been unsuccessful. I don’t know where the mistake is. I have been troubled for a long time. Please give me some advice. You need to delete a piece of data through GET, <a href="localhost/admin/cmd.php?act=delInfo&t...

志遠(yuǎn)電腦小馬哥 2022-05-11 20:38:55 0  2  1047

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  641

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  2016

Teaching course preview for September 12, 2018: Detailed explanation of dom operations in Javascript

1. Teaching topic: DOM operation content in Javascript. (The full name of DOM is Document Object Model, which allows js scripts to control Web pages, windows and documents.) For more detailed explanations of JavaScript knowledge points, please pay attention to tonight's live class on time! Lecturer:...

藏色散人 2018-09-12 14:45:26 0  0  1459

php pdo_pgsql file exists but is not recognized

Running DigitalOceanDroplet on Ubuntu (20.4?) my user A has root privileges. They are also connected to userA in the postgres database. Due to the setup of the software I'm using, they require a specific username for postgresdb. To avoid exposing too much data online, we'll call it userB. This is bo...

P粉191610580 2024-03-21 19:39:49 0  1  713

Display json type data in blade

Displaying json type data in blade I have a table in my database which stores data and one of the data is of json type, everything is going fine but when I want to display these json in blade the problem starts which is My json data type [![Enter image description here][1]][1] In my blade I use php ...

P粉064448449 2024-03-22 12:05:15 0  1  498

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  659

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  1449

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  3008

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  1230

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  1252

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  1161