php form drop down list mysql

Goal What is needed is to transfer the selected content to the PHP page after selecting the first select drop-down list. In the PHP page, by querying the number library, you get the value of option that the second select needs to display

: This article mainly introduces php programming notes. if you are interested in PHP tutorials, please refer to them. Three methods for php to obtain POST data Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese

Php programming notes-three methods for obtaining POST data from small_123 php Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese character to pinyin source code Php traverses the Directory, generates the md5

Three ways to get post data from PHP PHP image plus watermark source code One of the simplest examples of Php+ajax+json PHP Chinese Pinyin Source code PHP iterates through directories, generates MD5 values for each file in the directory, and writes

For content-driven Web sites, the key to the quality of the design is the relational database. In this tutorial, we have built our database using the MySQL relational database management system (RDBMS). MySQL is a popular choice for Web site

This example describes the use of the YII2 framework DropDownList drop-down menu. Share to everyone for your reference, specific as follows: DropDownList is a self-contained drop-down feature in the YII framework, and we can use the DropDownList to

PHP Core Knowledge Essentials, PHP core points PHP: scripting language, website building, server-side running PHP Definition: A server-side HTML scripting/programming language, is a simple, object-oriented, interpreted, robust, secure, high

I. MySQL database usage in Unix/Linux C Linux MySQL database development Joint development of MySQL and C Development Library Installation MySQL C API Programming example1. Software Package requirements 1) MySQL Server Mysql-server-3.23.54a-11 Mysql-

Today, database operations are increasingly becoming a performance bottleneck for the entire application, which is especially noticeable for web applications. It's not just about the performance of the database that DBAs need to worry about, it's

1. DatabaseWhat is a database? A database is a warehouse that organizes, stores, and manages data according to its structure.Each database has one or more different APIs that are used to create, access, manage, search, and assign values to the saved