javascript - Through the session, the verification code generated by php can be refreshed by clicking on it. Why?

Generate verification code through php, and then output it with img tag. Excuse me, why if there is session_start() and the onclick event is written like this, clicking will have the effect of refreshing the verification code? (A new verification code will appear) There is no session, and the click ...

PHP中文网 2017-05-16 12:59:41 0  3  446

In PHP, how to encode the generated verification code image into base64?

PHP server Android client I need to encode the verification code image generated by the server into base64. Note: Instead of generating a display image, the generated image resource is directly encoded into base64 so how to do? ? ? ? ? ? ?

阿神 2017-05-27 17:42:38 0  2  1655

The password generated by laravel Hash::make() is refreshed and changed every time. Please tell me how to verify the password.

The password generated by laravel Hash::make() is refreshed and changed every time. Please tell me how to verify the password.

習慣沉默 2017-05-16 16:50:08 0  1  557

When writing verification code in PHP, the online code editor can display it, but when placed on the local website, the code is garbled?

<?php check_code(); // Randomly generate characters or numbers for the verification code function check_code($width=100, $height=50,$num=4, $type='jpeg') {

phpcn_u53259 2017-11-06 13:50:30 0  9  1231

objective-c - The appsecret of WeChat open platform cannot be generated, the appid already exists

When I click to generate appsecret, it prompts that the identity of the operator has not been verified. When verifying according to the prompt, I am asked to enter the password of an email address. The key is that the email address displayed is a QQ number, and the password is also entered incorrect...

高洛峰 2017-05-02 09:29:28 0  0  680

Why does my verification code only show one number?

//My code for this lesson is like this. I checked it several times and didn't see any errors, but the verification code displayed only has one number...Why is this happening? Please give me some guidance<?php// Generate the background header of the verification code('Content-type:image/jpeg'); //...

丫头 2018-04-21 11:01:31 1  5  3038

php - Doubts about using JWT

Using JWT for API verification, how to design token refresh logic? Save the generated token and a refresh token? Does JWT also need to save the generated token? When users reapply for tokens, change passwords, and perform other operations, the original token is cleared? oAuth and JWT...

PHP中文网 2017-05-16 13:17:13 0  1  1171

php - generate a 4 digit number

For the verification code, the code below generates a 5-digit number. I want it to be 4 digits. what should I do. //generaterandomnumbers$sayilar='';for($x=15;$x<=95;$x+=20){$sayilar.=($sayi=rand(0,9));imagechar($image,rand (3,5),$x,rand(2,14),$sayi,$textcolor);}

P粉709644700 2024-02-25 20:05:18 0  1  451

javascript - How to keep browser client keys secure

Scenario: In the browser, des encryption is required to generate the sign, and the backend is used to verify whether the sign is correct. However, the encryption uses a key password, such as key = 'dsadadas'. How should it be better to call the key in the browser? It's definitely not possible to wri...

PHP中文网 2017-06-15 09:22:20 0  1  883

How to decode COCO RLE binary mask to image in JavaScript?

Here is an example of a COCORLE mask - https://pastebin.com/ZhE2en4C This is the output of a YOLOv8 validation run, taken from the generated Predictions.json file. I'm trying to decode that string in JavaScript and render it on the canvas. The encoded string is valid because in python I can do this:...

P粉709307865 2023-12-07 10:08:08 0  1  687

Next Auth on Vercel encountered a server error

I'm using Google as the authentication provider for next authentication. Configure all environment variables in production and development. It works perfectly in development mode on my local machine but in production it shows the error "Server Error There is a problem with the server configurat...

P粉420868294 2024-03-21 22:04:29 0  1  515

Brew installed php extension and did not find the specified configuration option

Hello everyone, I got the following error when using php verification code: I found the reason is because the FreeType library in gd is missing. Check phpinfo: I have uninstalled the existing php through brew, through: {code...} I want to reinstall the above content, but it prompts: I have also inst...

ringa_lee 2017-06-26 10:49:12 0  1  851

Password hashing issue in PHP - password_verify() always returns false

I'm having trouble with password hashing in PHP. I use the password_hash() function to hash the admin password when registering and store it in the database. However, when logging in, when I try to verify the password using password_verify(), it always returns false, even though I'm sure the passwor...

P粉481035232 2023-07-30 14:51:07 0  1  514

The form and back-end database verify whether the account password is correct. Errors are displayed on the current page without jumping.

I wrote a form. In php, I want to directly connect to the backend database for verification by clicking login. If it is correct, it will be adjusted directly to the next page. If it is incorrect, the information about the wrong account and password will be displayed directly on the login page withou...

哈哈哈哈。 2018-07-12 07:44:14 0  4  1406

php - How to output image in base64

It's like this. Today I wrote a template for PHP to generate verification codes based on the information on the Internet: {code...} But I don't want him to output the image directly, but output the image in base64. How should I do it? I have tried many methods without success, unless it is necessary...

伊谢尔伦 2017-05-24 11:32:19 0  1  912

Why is the picture not displayed when using the GD2 function to generate a 4-digit verification code?

<?phpsession_start();header("content-type:image/png"); //Set the format of the created image $image_width=70;

S.L 2017-08-21 20:38:54 0  1  1292

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  822

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