How to change your search query parameter from ‘s’ to something else

<?php
	add_filter('init', function(){
	global $wp;
	$wp->add_query_var( 'search_query' );
	$wp->remove_query_var( 's' );
	} );
	add_filter( 'request', function( $request ){
	if ( isset( $_REQUEST['search_query'] ) ){
	$request['s'] = $_REQUEST['search_query'];
	}
	return $request;
	} );

How to find user assigned how many site in multisite wordpress

1. select * from wp_blogs

From the output of the command note down the blog_id you want the users of. For eg: say you are wanting the users of the site with blog_id = 2 , next run the following query.

2. select * from wp_users u join wp_usermeta um on u.id=um.user_id where um.meta_key="wp_2_capabilities"

REF : https://stackoverflow.com/questions/27495552/how-to-get-users-who-belong-to-a-wordpress-multisite-blog-site-with-sql

Add default text in content when click add new post

// Add default content in Post Editor.
add_filter('default_content', 'my_editor_content', 10, 2);

function my_editor_content($content, $post) {
if($post->post_type == 'post') {
$content = "<br><br>";
                $content .= "<p>Test</p>";
            return $content;
}
}

call api in same wordpress instance OR WordPress REST API Calls Internally

REF : https://wpscholar.com/blog/internal-wp-rest-api-calls/



$api_data = array(
'post' => $post
);

$request = new WP_REST_Request( 'POST', '/gic/v1/subscriber' );
$request->set_query_params( $api_data );
$response = rest_do_request( $request );
$server = rest_get_server();
$data = $server->response_to_data( $response, false );
$json = wp_json_encode( $data );

bulk delete media OR remove media in wordpress

DELETE FROM `wp_posts` WHERE `post_type` = "attachment";
DELETE FROM `wp_postmeta` WHERE `meta_key` = "_wp_attached_file";
DELETE FROM `wp_postmeta` WHERE `meta_key` = "_wp_attachment_metadata";

custom URL change OR Re-write URL OR slug change for buudypress default slug

https://buddypress.org/2009/05/customizable-slugs-in-buddypress/

It’s actually as simple as defining the slugs you want to use in your wp-config.php file. All the slugs for every built in component can be changed. Here’s a list of settings you can add (with some alternate slugs already set), that will change the slugs for each component:

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define ( 'BP_ACTIVITY_SLUG', 'streams' ); define ( 'BP_BLOGS_SLUG', 'journals' ); define ( 'BP_MEMBERS_SLUG', 'users' ); define ( 'BP_FRIENDS_SLUG', 'peeps' ); define ( 'BP_GROUPS_SLUG', 'gatherings' ); define ( 'BP_MESSAGES_SLUG', 'notes' ); define ( 'BP_WIRE_SLUG', 'pinboard' ); define ( 'BP_XPROFILE_SLUG', 'info' );   /* Some other non-component slugs */ define ( 'BP_REGISTER_SLUG', 'signup' ); define ( 'BP_ACTIVATION_SLUG', 'enable' ); define ( 'BP_SEARCH_SLUG', 'find' ); define ( 'BP_HOME_BLOG_SLUG', 'news' );