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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

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

Official team, please solve the bug

I use PHP version 5.4 of the PHP toolbox, and the verification code can be displayed, but it cannot be displayed when I switch to PHP version 5.6 or 7. What I tested was the verification code class that comes with the tp5 framework. What's going on?

冷笑淺兮 2017-11-12 23:08:40 0  3  1024

java - Problem with separating verification code from front to back end

Premise: Suppose I have an interface for obtaining verification codes. It is under https://api.b.com/captcha. In my imagination, the verification code refreshing function is implemented by adding a timestamp after the url, for example, changing the url to look like this: https://api.b.com/cap. ..

淡淡煙草味 2017-06-12 09:20:13 0  1  1318

dologin said it is not defined

The code is the same, but the verification class does not take effect, and there is no response when logging in.

******ton Cheng 2021-01-25 17:09:09 0  1  1269

Before creating the envelope, populate the dropdown options using php code in the document signature template

Has anyone implemented Dropdown how to implement it in Laravel? Like $service=newText([....]); How can we implement Dropdown class in DocuSign Not available in "composerrequiredocusign/esign-client" package So how can I import Dropdown class Thanks in advance for any guide or code

P粉511749537 2024-03-31 16:56:23 0  1  538

In php, the class name::class, what does it mean?

I would like to ask: In the following PHP code, what does the class name::class mean? {code...}

曾經(jīng)蠟筆沒有小新 2017-06-30 09:54:29 0  2  1000

javascript - A click event is added to an a tag, and I want to add a class style to the a tag within the time

There are multiple a tags in a span tag, and the a tags are implemented through ajax. I want to add a click event to the a tag, add a class style to the a tag when he clicks, and delete other a tag class styles at the same time ajax: {code...} html: {code...} javascript: { code...} ...

PHP中文網(wǎng) 2017-06-12 09:24:00 0  2  1009

php - Verification code is available under windows, but not in centos?

The font is in $this->font = dirname(__FILE__).'/font/elephant.ttf'; Display background: {code...} Display code: {code...} Verification code can be displayed in windows , as follows: This is the only way in centos

為情所困 2017-06-30 09:53:14 0  2  966

suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will be used in the future.

The function has been implemented, but it has not been tested in other PHP versions. Dz Application Center customer service said: suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will not be supported in future PHP versions; ple...

°執(zhí)著. 2018-11-25 19:19:16 0  0  1000

The PHP verification code is fine locally, but when it is placed on the server, the verification code is not displayed and an error is reported in the verification code line.

<td align="left"><input type="text" name="vcode" id="vcode" style="width:54px" class="input">&nbsp;<a href="javascri

蕭瑟寒風蕭瑟雨 2019-05-16 10:04:56 0  1  974

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

java - spring injection is null problem

As shown in the figure: {Code...} After the created class implemented HandlerMethodArgumentResolver, it was found that the bean instances injected into it failed. The redisTemplate instance above was null when running, and other classes in the same package were normal. What causes the bean to be inj...

phpcn_u1582 2017-05-17 09:57:40 0  2  594

About chain calls in PHP

I encountered a problem when chaining calls with PHP: There is a class "Site" below: {code...} There is also a class "Api" located in "class.Api.php": {code...} Use the following code to instantiate: {code...} Then call the following code: {code...} Will PHP repeat requ...

天蓬老師 2017-06-19 09:07:08 0  2  979

The encoding is correct, but when quoting this verification code in HTML, it shows a loading error?

The verification code is displayed normally in the local PHP file, but it cannot be displayed when referencing the past HTML. Can the teacher explain it?

ID先生 2018-04-27 15:34:41 0  2  1040

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)蠟筆沒有小新 2017-05-24 11:34:16 0  1  761

laravel5.1 asynchronous queue problem

1. Modify the configuration in the queue in the config folder as: {code...} 2. Create the queue table php artisan queue:tablephp artisan migrate 3. Create the queue task class php artisan make:job CollectionBook 4. Push the task to the queue {code...} 5. After...

給我你的懷抱 2017-05-16 16:53:47 0  1  986

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  935

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  1324

PHP operates the database through steps to register a user

PHP operates the database through steps to register a user. In this tutorial, the connect.php code we implemented is as follows: The code below this line shows failure after registration. The ID inserted by the current user is 0. What is the problem with waiting for the enemy?

Xn 2019-08-03 22:59:37 0  0  1273