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Efficient php unlimited classification

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

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PHP unlimited classification to get the top category ID, PHP top_PHP tutorial

12 Jul 2016

PHP unlimited classification gets the top classification ID, PHP top level. PHP unlimited classification gets the top-level classification ID. PHP top-level has such a table, id is the ID of the classification, name is the classification name, and pid is the ID of the upper-level classification. Now there is a category ID, and the program needs to find it

PHP implements unlimited classification query (recursive, non-recursive), classification query recursion_PHP tutorial

12 Jul 2016

PHP implements unlimited classification queries (recursive, non-recursive), and classification queries are recursive. PHP implements unlimited classification queries (recursive, non-recursive), and classification queries are recursive. After doing PHP for so long, I found that an indispensable application module of the backend management system is the classification of columns.

PHP MySQL method to implement unlimited classification columns, _PHP tutorial

12 Jul 2016

PHP MySQL method to implement unlimited classification columns. PHP MySQL's method of implementing unlimited classification columns. This article describes the method of PHP MySQL's implementation of unlimited classification columns. Share it with everyone for your reference, the details are as follows: A very simple

How to implement multiple types of self-related one-to-many relationships in a single Laravel model

04 Feb 2026

This article explains in detail how to flexibly define and query self-associated one-to-many relationships at different levels (such as main category → superior category, upper category → secondary category, etc.) based on the category_type and parent_category fields in Laravel's single Category model.

Get the number of articles under a specified category and its subcategories in WordPress, the number of wordpress articles_PHP tutorial

12 Jul 2016

Get the number of articles under a specified category and its subcategories in WordPress, the number of WordPress articles. Get the number of articles under a specified category and its subcategories in WordPress. Number of WordPress articles. Get the number of articles in a specific category. Sometimes we want to get the number of articles under a certain category (category).

How to correctly display subcategories in WooCommerce parent product category page

03 Apr 2026

This article explains in detail how to accurately obtain and display the direct subcategories of the current category in the WooCommerce product category archive page, while safely outputting the intercepted category description to avoid misrepresentation of the entire site category or undefined variable errors.