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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 adds human-machine verification code

Guys, how can I add a human-machine verification code to the PHP source code (Mituo website building)? Please answer it, thank you! (There are a total of three platform verification codes, I hope you can tell me about them all, thank you) 1. Luosimao https://luosimao.com/docs/api/56 2. Tencent https...

Microsoft-Windows 2020-10-22 16:47:44 0  1  1471

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中文網(wǎng) 2017-05-16 12:59:41 0  3  519

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  1323

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

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

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 - 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 &lt;img src="../aut_checkCode.hts?=0.8963835985936632" class="icd"&gt; How to change the displayed image when clicking on the verification code...

怪我咯 2017-05-27 17:41:18 0  4  1154

Does Laravel5.4 e-commerce practical project have source code and class notes? ? ?

Looking for templates and notes.

COWBOY 2018-01-04 16:51:50 0  2  1469

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

tp5 uses ajax to realize verification code refresh and click no response

The following is part of the html verification code<div class="row cl"> ????????? <div class="formControls col-xs-8 col-xs-offset-3"> &n

楊云雷 2018-08-13 14:52:03 0  4  1563

php - Website registration with mobile phone verification code

How to do batch registration!!?? I found that someone can actually do it

漂亮男人 2017-05-17 09:55:43 0  2  680

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(fēng)蕭瑟雨 2019-05-16 10:04:56 0  1  974

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

About ajax in JQ

When I use jQ's ajax to submit data using post to compare with the verification code created by php and trigger the event, the data comparison and the addition of HTML element tags are effective, but when the verification succeeds or fails, the mouse can no longer move into the input box and To part...

水東水南 2018-10-29 18:26:55 0  2  1178

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

The font is in $this-&gt;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

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

PHP Chinese website public welfare live class: "Revealing the whole process of Web projects from analysis to online", starting tonight!

A new large-scale free public welfare live class on the PHP Chinese website has started! For three consecutive nights, all P friends, please move your benches and get ready! Training objectives: reveal the complete process of a Web project from analysis and planning, environment construction, use of...

PHPz 2018-08-07 10:59:05 0  1  3128

PHP site verification code is not displayed, please help me solve it quickly

1: Set the website root directory to phpinfo.php 2: Visit xxx/phpinfo.php and also display the GD library. 3: The code is as follows: <div class="control-group clearfix"> <label class="control-label pull-left" for="inpu

田振華 2021-08-01 20:33:32 0  4  1472

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