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Database operation class

MongoDB database operation class implemented in PHP

Database operation class

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MongoDB database operation class implemented in PHP Introduces the sharing of MongoDB database operation classes implemented in PHP, the template mysql version of the operation class, supports passing in multiple mongo_servers (1. Connect to other servers when one has a problem 2. Automatically Evenly distribute queries to different servers), Create index: If the index already exists, return.

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Working with Databases in WordPress

15 Feb 2025

WordPress database interaction guide: mastering wpdb class and database operation skills WordPress comes with a large number of database interaction functions. WP_Query class and wp_insert_post, update_post_meta, get_posts and other functions are usually enough to deal with most situations. However, especially when dealing with custom tables, we sometimes need to do things that cannot be achieved by WordPress native features. This tutorial will explore the most important class in WordPress database interaction - wpdb, and share some development tips. We will introduce the dbDelta function used to create custom tables, but will not cover creating initial Word

Method to correctly check if data exists in MongoDB Atlas database in PHP

26 Aug 2025

This tutorial explores in-depth how to accurately determine whether specific data exists in the MongoDB Atlas database when using the PHP MongoDB driver. We will correct normal errors, that is, confusing query definitions and query results, and provide a correct verification method based on cursor processing to ensure that the logic of data existence check is rigorous and effective, and avoid logical errors caused by misunderstanding of the query return value.