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Preview of the teaching course on September 10, 2018: How to implement paging query data table and classification query for class encapsulation in PHP

Preview of the teaching content of the third online class of PHP Chinese website on September 10, 2018: 1. Teaching topic: How to use PHP to implement paging query data tables? Encapsulate classification queries into classes to achieve code reuse. For more detailed knowledge points, please pay atten...

藏色散人 2018-09-10 10:02:37 0  0  1376

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

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  1131

How can I access the page directly without logging in, or how can I remove the login function?

<?php /** * Front page base class */ class WebLoginBase extends WebBase{ public $type; public $groupId; public $played; public $NO; public $

Keevi 2021-03-09 07:41:25 0  1  1993

How can I access the page directly without logging in, or how can I remove the login function?

<?php/** * Front page base class */class WebLoginBase extends WebBase{ public $type; public $groupId; public $played; public $NO; public $gameFanDian; function __construct($dsn, $user='&# 39

Keevi 2021-03-09 07:38:45 0  1  2303

Is there a backdoor in these two files?

Paste the code: <?php if( !defined('CORE') ) exit('Request Error!'); /** * Home page controller * * @version 2013.07.05 */ class ctl_chouqian {

修二十三年蟬 2022-09-22 14:11:15 0  1  796

How to automatically generate page numbers 1, 2, 3..., help, urgent

<?php//Paging function//Connect to the database require_once("connect.php");$page = isset($_GET['page'])?intval($_GET['page']):1;//Set The current page number, if not, set it to 1$num=3;//Display 3 pieces of data per page/*First of all, we need to get how much data there is in the datab...

梁溫柔 2018-04-18 17:26:51 0  0  1305

php - The paging set by the LinkPager paging component of the yii2 framework. The controller cannot get the current page number in the URL.

{Code...} As shown above, I want to delete a user in the administrator list page and stay in the current list page, but the page parameter in the URL cannot be obtained here. Thanks for all the answers.

為情所困 2017-07-04 13:45:56 0  3  990

Post variables to another page using PHP button

I'm trying to post a variable from one page to another in php using buttons. I have retrieved the variable "Class" from the table "Class" and now want to POST it to the viewmembers.php page but I'm not sure how to do this. This is the code: <?phpsession_start();include_once('c...

P粉073857911 2024-03-19 22:30:42 0  1  484

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

How to dynamically modify the placeholder of the input box through onchange in a PHP page?

The page has a selection box like this: <?php echo html::select('module', $modules, '', "class='form-control chosen' ")?> There is also an input box like this: <? php echo html::input('title', '', &

語者 2019-01-07 11:17:49 0  6  1079

There is a problem after modifying the default configuration of ThinkPHP5.0

Make the following modifications according to the teacher's tutorial: <?phpnamespace app\index\controller;class Index{ public function index() { return 'PHP Chinese website'; }} After the modification, enter the virtual host in the address bar of the page

王欣然 2019-08-21 21:51:45 0  0  1250

PHP refers to the Prince class, and the page prompts that the PDF cannot be loaded.

<?phprequire 'prince.php';//print_r() ;//exit();$prince = new Prince('D:\\prince\\engine\\bin\\prince.exe');//$prince = new Prince('D:\prince\engine\bin\prince.exe');header(

思展軟件 2019-10-16 10:57:38 0  2  1248

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  1197

How to add a course to latest posts on WordPress home page?

I'm using the following function in WordPress to display the latest three posts on the home page. Is it possible to add class="latest-posts-right" to the last div so that I can give it another style? How can I do this? <?php/*Showlatestpostsonhomepage*/functionlatest_post(){$args=array(...

P粉073857911 2024-03-21 23:09:34 0  1  458

laravel5.8 front desk auth login cannot

I am a student in the eighth phase of the PHP online class. I followed the laravel auth video of Teacher Ximen to expand a front-end login function. However, after the login process was completed, the transfer to the next page was intercepted by the middleware, and there was no error in the code exe...

不是一般的人 2020-05-12 18:17:04 0  4  2281

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

There was a package in composer before, which I deleted. After reinstallation, no error was reported in PHP, but the result page kept reporting that the class method could not be found.

If anyone has encountered this before, please give me some advice.

我會好好的 2020-08-20 11:13:14 0  1  771

PHP Chinese website large-scale live broadcast public welfare free class registration post. . .

PHP Chinese website’s free public welfare live broadcast class in June is facing 6.18. Instead of frantically buying your hands, it is better to study quietly. We have carefully prepared two free live broadcast courses for you: 1. One-week introduction to Web front-end development 1. Course name: [X...

PHP中文網(wǎng) 2018-06-04 13:03:08 32  848  67207

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  586