Wordpress Plugin Development tutorial from scratch (Part 15) About Wordpress global $wpdb Object

In this video session i have explained about Global Worpdress variable $wpdb,WordPress defines a class called wpdb, which contains a set of functions used to interact with a database. Its primary purpose is to provide an interface with the WordPress database, but can be used to communicate with any other appropriate database. WordPress provides a global object variable, $wpdb, which is an instantiation of the wpdb class defined in /wp-includes/wp-db.php. By default, $wpdb is instantiated to talk to the WordPress database. To access $wpdb in your WordPress PHP code, declare $wpdb as a global variable using the global keyword, or use the superglobal $GLOBALS in the following manner: global $wpdb; #WordpressTutorialsPoint #WordpressLearnersHub #WordpressCustomizations #LearnWordpressStepbyStep #WordpressBySanjay Some operations using global $wpdb of wordpress, $wpdb-query(" CUSTOM_QUERY FOR INSERT/UPDATE/DELETE ") $wpdb-insert("TABLE_NAME","DATA") $wpdb-udpate("TABLE_NAME","DATA"); $wpdb-delete("TABLE_NAME","DATA"); For More Details, Please follow documentation Section of $wpdb of, https://codex.wordpress.org/Class_Reference/wpdb To make Ajax request Click here to learn: By Method #1: https://www.youtube.com/watch?v=n_3nXW8VzgQ By Method #2: https://www.youtube.com/watch?v=RAwahYG8Qfc How we add custom javascript code to wordpress plugin page: ============================== Click here to watch: https://www.youtube.com/watch?v=CUt8trEQkPc SOCIAL : =============== Subscribe : https://www.youtube.com/channel/UCB2flCo-gW6RhpVVXySqcMg FACEBOOK : https://www.facebook.com/onlinewebtutorhub/ TWITTER: https://twitter.com/owthub BLOG: https://onlinewebtutorhub.blogspot.in/ RECOMMENDATION: =============== 1. Some knowledge of PHP, HTML for this video series 2. How to Install Wordpress: https://www.youtube.com/watch?v=MREgql9jmf0 Also you can learn Wordpress Custom =============== Theme Development: https://www.youtube.com/watch?v=MREgql9jmf0&list=PLT9miexWCpPV9WxY_QG3qxUGKzw54LboW Widget Development: https://www.youtube.com/watch?v=ZSbdYG1svV8&list=PLT9miexWCpPUgibUXDZ7JP1j3U-m61U8m Tags =============== online web tutor, profotech solutions, wordpress plugin development from scratch in hindi, wordpress plugin development from scratch in easy steps, wordpress plugin development, wordpress plugin development in easy steps, plugin development in wordpress from scratch in hindi, plugin development in wordpress by online web tutor, plugin development in wordpress tutorials from scratch in hindi, plugin theme development tutorials in hindi, plugin development tutorials in hindi, owt tuts, online web tutorials, Thanks Online Web Tutor Keep learning and Sharing :) -~-~~-~~~-~~-~- Please watch: "Learn backbone.js tutorial from scratch" https://www.youtube.com/watch?v=HOAU-nfy5Sc -~-~~-~~~-~~-~-