How to implement coupon function in php

To create a coupon, how to link the coupon to the item you want to discount. That is to say, the coupons offer...

From [PHPdiscussion group] 2017-08-04 11:13:24 0  1  1835

Fatal error occurs in the test database: Class 'think\Controller' not found in C:\php\WWW\t\application\admins\controller\Test.php on line 8

Fatal error: Class 'think\Controller' not found in C:\php\WWW\t\application\admins\controller\Test.php on line...

From [PHPdiscussion group] 2019-06-17 17:24:09 0  2  1833

javascript - How to modify the default triggering mechanism of the browser's a tag attribute?

It is known that the execution order of a tag is onclick->href attribute {code...}. How to change this ...

From [PHPdiscussion group] 2017-07-01 09:12:15 0  9  1833

创建数据表错误: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')ENGINE=InnoDB DEFAULT CHARSET=utf8' at line 7

<?php //Create connection $conn = new mysqli("localhost", "uesename", "password&qu...

From [PHPdiscussion group] 2020-02-18 22:31:14 0  1  1831

Why is my TP5 database query so slow?

I am currently studying the ThinkPHP5 course. I saw that Teacher Zhu’s database query speed was 0.000239s, whi...

From [PHPdiscussion group] 2019-09-29 11:31:14 0  4  1831

As for beginners who want to get started with zero basics, which video tutorials should they choose?

Good evening everyone, I am very interested in this aspect, but also a layman who doesn’t understand it at all...

From [PHPdiscussion group] 2017-10-14 20:41:36 0  4  1830

After logging out, it still says please do not log in again.

Why does it still say please do not log in again after I log out? The session is not cleared? Unscientific Bas...

From [PHPdiscussion group] 2017-10-26 12:58:29 1  8  1829

有偿请人采集第三方网站，高手进

有偿请人采集第三方网站，高手来，第三方有仿爬虫，有技术的高手请联系资料QQ

From [PHPdiscussion group] 2017-04-19 14:27:43 0  1  1829

php-fpm依赖php-cgi吗？

环境说明 CentOS7 php版本：php 5.6 php开发环境：nginx+php+mysql 看了这个问题，但是不知道是否正确。https://.com/q/10...在CentOS7下，查找php相关进程，只看...

From [PHPdiscussion group] 2017-04-10 17:50:21 0  4  1829

php - 用程序生成n个随机数，要求n个数的和等于100

想破了头，也没想出来怎么算！！！

From [PHPdiscussion group] 2017-04-10 16:34:47 0  25  1829

The problem of php calling js and getting the return value of js

How does php call js and get the return value of js? Is there any more convenient plug-in or method?

From [PHPdiscussion group] 2017-09-24 21:44:38 0  3  1828

What is time used for?

What does time()=3600*12; do?

From [PHPdiscussion group] 2018-07-22 15:48:55 0  1  1827

Why does var_dump report an error?

Parse error: syntax error, unexpected 'var_dump' (T_STRING), expecting ',' or ';' in D...

From [PHPdiscussion group] 2017-08-11 22:41:28 0  2  1826

What does $func mean and how did it come about?

                $func = 'image'.$type;                                                                        ...

From [PHPdiscussion group] 2017-08-24 17:48:28 0  1  1825

为什么canvas.toDataURL获取图片是空白。

 var type = 'png';  var canvas = document.createElement('c...

From [PHPdiscussion group] 2016-11-17 15:41:26 0  2  1824