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There is a problem with the final call of php to implement image verification code?

According to php how to implement image verification code content guide encapsulation verification code class

羅梅光 2022-05-05 01:22:00 0  8  1257

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...

伊謝爾倫 2017-05-24 11:32:19 0  1  997

java - Image verification code implementation principle

**Test website: http://con.monyun.cn:9960/acc... There is a verification code on this page. The url of this verification code is <img src="../aut_checkCode.hts?=0.8963835985936632" class="icd"> How to change the displayed image when clicking on the verification code...

怪我咯 2017-05-27 17:41:18 0  4  1154

How to save a good verification code image locally in php?

Use PHP to draw login verification pictures. Since the pictures are taken locally, I don't want to return the picture in the form of a link. I want to name the drawn verification code picture, then save it to the specified path, and then return a local URL address. To the front desk, the front end d...

phpcn_u1582 2017-05-16 13:04:04 0  2  684

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'); //...

丫頭 2018-04-21 11:01:31 1  5  3123

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  1760

angular.js - How does angular call the trigger method for new nodes?

How to call the triggerHandler method for dynamically added nodes in angular? My nodes are dynamically generated based on a table: {Code...} The click event is as follows: {Code...} However, the dynamically generated image calls my image upload and requires a double-click to be punished. I want to g...

phpcn_u1582 2017-05-15 17:08:56 0  2  600

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  593

How to embed php in HTML attribute?

For example, I have a page that mixes php and html. The php part stores a variable: {code...} In HTML, I want to use this variable in the attribute of an element: {code...} For example, here I I want to make the value of the class of this div active, which is just stored in the $class variable in ph...

曾經(jīng)蠟筆沒(méi)有小新 2017-05-24 11:34:16 0  1  761

The smartest way to generate duplicate HTML source code. Using PHP?

Hi, I would like to know what is the smart way to generate duplicate HTML source code like below. Let's say I have 30 rows numbered from 1 to 30. I have a lot of pages like this that need this structure. I've used a PHP loop to generate this code in the page itself, since I'm using PHP anyway in my ...

P粉146080556 2023-09-10 16:37:09 0  1  695

javascript - vue.js retrieves the image path from Alibaba Cloud oss ??correctly, but the image on the page fails to load?

Use vue.js in webview to obtain the image path from Alibaba Cloud oss. After obtaining the data, you can open the image address with a browser and the image can be rendered successfully. However, the image sometimes fails to load on the webview page? The code to bind the image is as follows: &lt...

PHP中文網(wǎng) 2017-05-18 10:56:44 0  2  943

How to get openid after scanning the QR code image generated with PHP?

I used the PHP QR code generation class library to generate a QR code picture (not generated by the WeChat interface). I want to get the openid of a WeChat user after scanning the QR code. How can I implement this function? (I previously thought of using web page authorization to achieve this, but t...

LRTRL 2017-06-28 16:57:44 0  1  2148

Looking for an efficient way to handle a large number of repeated If statement checks

When I'm trying to create a search tool for a database I created for my undergraduate thesis, I need to do a lot of checking of user-entered values ??and generate and execute appropriate MySQL queries based on those values. An example is as follows: HTML code (partofthewholetable)<trid="tabl...

P粉421119778 2024-04-03 19:20:08 0  1  787

There is a problem with the verification code of the student management system!

One night, it gave me a headache. I downloaded the complete source code, configured the environment to run, and everything was normal. After learning and debugging for a while, the verification code no longer displayed. Local PHP toolbox environment. How do I change the source code and re-download t...

aTom 2017-12-23 16:58:53 0  7  2617

Adding cookie header causes request to hang

I'm working on a class project where we need to write a website using php. We were told that we should write separate pages to query information and the php session for saving variables. I have successfully started a session, but when I try to make a request and add headers for the session, the requ...

P粉897881626 2023-09-15 21:20:14 0  1  753

Sina SAE php can get the WeChat avatar, but it cannot be obtained by running the code locally?

A cloud application SAE PHP standard environment was established on Sina Cloud. PHP obtains the WeChat avatar image and converts it into a base64 string for display on the web page. The code executes normally on Sina Cloud, but is started locally using WAMPSERVER 3.0.6 64bit. The service code report...

天蓬老師 2017-05-16 13:11:20 0  1  766

php 5.6 include php file directly outputs the file content without execution, and php5.2 will be normal.

As shown in the figure, the code for executing the file is as shown below. . . . As a result, the code in dbConfig.php is output directly to the browser. No analysis at all. Copy the code in dbConfig.php to the running php file. It is estimated that version 5.6 has upgraded the initialization and ex...

yoyo 2019-06-07 00:44:09 0  1  1250

JQuery not capturing dropdown value

I'm making an API interface to schedule package pickup. The API requires the number of packages, etc. My project manager said he needs the number of packages as a drop down list. Now trying to get the package quantity from the form doesn't work, although it works for my other dropdown menus. My PHP ...

P粉476046165 2023-09-11 14:22:42 0  1  749

Sequentially rename files on upload based on existing files in directory

I'm using this (php) upload code I found online for an image upload form. I realize there are already a lot of questions/answers on the site about "renaming files" when uploading, and I've researched them quite a bit. So far...none of them seem to specifically address what I want to do. Ho...

P粉310931198 2023-09-10 13:14:12 0  1  880

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  1432