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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_ 2021-10-13 10:21:27 0  6  1132

php - Database write operation delayed for several minutes before inserting data

Framework code $db = new db(.....); // Add monitoring, when the database is executed, it will automatically log $db-&gt;attach(function ($sql,$bind){$di-&gt;dblog ('Execute sql:'.$sql.$bind);}) // Insert a piece of data $db-&gt;execute("insert into user valu...

phpcn_u1582 2017-05-16 13:02:48 0  1  507

Please write out the OLE connection string (php) to connect to the database "student.mdb"

Please write out the OLE connection string (php) to connect to the database "student.mdb". Please help me. My child is going crazy reviewing. Please help. My child is going crazy reviewing. Please help. My child is going crazy reviewing. Please help. , the child is going crazy reviewing, p...

有為魚 2019-01-08 14:19:58 0  0  1079

The test database operation class db statically calls the getInstance method.

In the entry file idnex.php, new base.php calls the run method. How to complete the connection to the database in base.php. I don't see an instance of the db class in the code. Can any kind person explain this to me? Thanks!

航航 2022-08-18 17:23:59 0  1  934

Page error, please try again later

Teacher, I followed your operation step by step. When I encapsulated the database access class, the web page prompted: Page error. Please try again later! I assign simple numbers to $res and it can be displayed normally.

奮斗 2018-12-04 22:49:33 0  2  1535

Unable to successfully write to MySQL database after PHP authentication

I'm trying to write data to the database after authentication but can't succeed. Once logged in successfully I am redirected to index.php<?phpsession_start();if(isset($_SESSION["user_id"])){$mysqli=require__DIR__."/database.php";$sql="SELECT* FROMuserWHEREid={$_SE

P粉221046425 2023-09-13 09:54:01 0  1  708

How to display continuous values ??in groups? Please give me guidance and help from teachers.

It's not a database operation, it's a php operation. For example: $a="1,2,3,4,5,6,7,8,9,10,11"$b="8,9,10,11,12,13,17,18,19, 20"$c="10,11,12,13,14,15,16,18,20,21,22,23,24"Required results$a="1-11"$b="8-13 ,17-20"$

JD26 2020-04-22 08:53:13 0  1  828

Please tell me a basic practical question.

The PHP operation database is completely fine when tested locally, but when uploaded to the Alibaba Cloud virtual host, an error occurs. Ask for solutions.

笑該動人 2018-07-31 16:46:32 0  1  995

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  625

The oci_parse() method returns null parsing method

I want to create a class that connects to an ORACLE database using some OCI methods. But when I call the Parse() method it is null and my FetchArray() method returns nothing Database PHP class: classDatabase{/***@varstring*/privatestring$login;/***@varstring*/ privatestring$password;/***@varstring*/...

P粉043432210 2024-01-29 13:46:11 0  1  695

About PHP and JAVA 3DES encryption issues

I want to write an encryption class in Java using PHP, but I saw this writing method in Java and it gave me a headache. Totally illogical. I found a complete class and wanted to refer to it. After many experiments, I could not translate the encryption class I uploaded into PHP. Please help me. Thank...

給我你的懷抱 2017-06-15 09:21:44 0  1  1001

Route not found: GET http://127.0.0.1:8000/entity name/

I have used make:crud to do CRUD for every entity in the database, but when I write http://127.0.0.1:8000/ to control entity addition, deletion... it shows me this message "No found route for "GEThttp://127.0.0.1:8000/demandededevis/" or "Case mismatch between loaded class name a...

P粉587780103 2024-02-25 20:14:34 0  1  671

Unable to read Firestore DB from custom npm package using Firestore object passed from application

I'm trying to write my own npm package that uses a Firestore database. I initialize the class from the package using the Firestore object passed from the application: import{firestoreTest}from'my-package'constapp=initializeApp(firebaseConfig)constdb=getFirestore(app)consttest=newfirestoreTest(db) Wh...

P粉064448449 2023-09-10 19:49:11 0  1  747

Should the name of the Model's PHP file be the same as the database name?

Should the name of the Model's PHP file be the same as the database name? Or do the class names need to be consistent?

劉磊 2018-11-01 13:56:50 0  1  1720

Thoughts on tp5.1 cache files

In tp5.1, I have an idea to encapsulate a class and write all the data that needs to be read, including update and delete methods. The key point is that this class generates cache files. If it is called like this, it does not go through the database. Isn’t it very complicated? quick? I imagine it wi...

A影視文娛 楊 2019-02-21 21:18:02 0  4  1984

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  1202

javascript - js natively determines dom element type

The problem is this {code...} Now we need to determine what type of ele it is and write it like this, that is, if I input a label 'a', it means label, #a means id, .a means class and perform the corresponding operation { Code...} The code is like this because there may be at least one element in the...

給我你的懷抱 2017-05-18 10:47:59 0  1  774

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  1387

Example of relationship involving multiple entities

I haven't found any examples of MYSQL many-to-many relationships neither here nor in Google. What I'm looking for is a very simple example where php+mysql displays results from a database. Can someone write a very simple example?

P粉327903045 2023-08-27 21:44:53 0  2  610

Example of many-to-many relationship

I haven't found any examples of MYSQL many-to-many relationships either here or on Google. I would like to see a very simple example using php+mysql to display the results of the database. Can someone write a very simple example?

P粉785905797 2023-08-18 11:04:20 0  2  805