[php unlimited classification] summarizes the most comprehensive php unlimited classification library download and text video tutorial

What is infinite classification?

php The metaphor of infinite classification is like a tree. This tree has its own roots, then the trunk, branches and leaves. The further forward, the denser it becomes. This is Just like classification, the further down you go, the more columns there are. Just like the WINDOWS operating system pre-installed on the PCs you use, you can try to create a new folder in a folder and then add it to the new folder. folder, create a new one, and keep going. You can understand what infinite level is. PHP infinite classification is often used to generate infinite classification menus. This topic mainly introduces some popular PHP unlimited classification articles and code snippets, some commonly used PHP unlimited classification library downloads, and PHP unlimited classification video tutorials!

1.php unlimited classification articles and code snippets

1.php recursively implements infinite classification trees

Infinite The hierarchical tree diagram can be said to be a significant feature of the infinite-level column. This article introduces two different ways of writing infinite-level classification trees recursively in PHP.

2. Revealing the principle of unlimited php classification

That is, we can go down level by level through the grandfather class, and conversely we only need to know a sub-class The parent class of the class can be found. In this way, when designing the database, we can design one more parent class id field to achieve unlimited classification....

3.PHP method of recursively traversing multi-dimensional arrays to achieve unlimited classification

The example in this article describes the method of PHP recursively traversing multi-dimensional arrays to achieve infinite classification, and shares it with you for your reference

4.Three ways of infinite classification (iteration, Recursion, reference)

Currently, there are three commonly used methods. Let’s implement the style of the select drop-down menu display

5.When the Infinitus category deletes the parent node, Delete all child nodes of the parent node

Query all child IDs that need to be deleted, and classify Infinitus code snippet to delete all child nodes of the parent node when deleting the parent node

6 .laravel implements infinite classification

Everyone usually uses recursion to implement infinite classification. We all know that recursion is very inefficient. Here we recommend a Laravel expansion package etrepat/baum to quickly get you started. The data model supports Infinitus tree-like hierarchical structure and takes into account efficiency.

7.thinkphp infinite classification implementation method

This article explains the method of realizing unlimited classification under the thinkphp framework. Infinite classification is generally used in the classification menu of the website. , is a very commonly used data structure and function. It is also very easy to implement this method in thinkphp. Next, let’s learn how to use it

Friendly reminder: Please search for "无码级" in the search box of php Chinese website to get more related articles and tutorials

2.php unlimited classification library download

1.PHP Unlimited Classification [Enhanced Edition]: Share an enhanced version of PHP tree classification, including: 2-dimensional arrays required to generate tree structures, and modification symbols required to generate tree structures. , you can change it to a picture, get the parent and child arrays, get the current position array, get the tree structure, and format the array.

2.Efficient PHP unlimited classification: Share an efficient PHP unlimited classification, using PHP arrays to achieve unlimited classification, high efficiency, no database, no recursion. Function: Construct a sub-level based on the parent level and add a new category. When data.php does not exist, generate an array format of infinite categories and write it to the PHP file. When data.php exists, sort the array and loop to generate infinite categories. array format and written to a PHP file.

3.php's multiple unlimited classification libraries: An example of multiple unlimited classification libraries in php, including the code to create a complete database and table, and connect the database table to display unlimited classification classes Library, friends who need it can directly use it for study reference. I hope it will be helpful to my friends.

4.php unlimited classification menu class: When doing PHP programs, you often encounter programming to design multi-level menus. In fact, many open source backgrounds have infinite classifications. , and these classified data are only saved in a data table, and are only related using the source code. These associated data are not complicated. In fact, an excellent backend design should have unlimited categories. In this way, when doing secondary development, there is no need to program separately. As long as the functions are the same, just add a category in the backend. , thus achieving function sharing.

5.php+mysql database unlimited classification class library: This is a PHP unlimited classification code. It is relatively complete and includes the fact that the database is mysql and has the functions of adding, deleting, editing, and moving. Also provides database sql table structure. Friends who need it can refer to it to facilitate everyone to learn PHP.

三.php unlimited classification video tutorial

1. php unlimited classification video tutorial>>

1-2 PHP unlimited classification database preparation; 1-3PHP unlimited classification configuration connection file; 1-4PHP unlimited classification list classification Style (top); 1-5PHP unlimited classification list classification style (bottom).