Create a CSV File of WordPress User Information with PHP

One of my clients wanted a list of their clients and the client's information to download on demand. I added the following php code to their themes functions.php file.

This will pull the information from the WordPress user record and user meta table and create the CSV file. When finished, a link is provided to the csv file that was created so that the file can be downloaded.

You may want to change which fields are downloaded from WordPress. To do this, just change the field names in the fields array to match the fields in the user record and the user meta table which you want to download.

The first function will create a new page and add it to the WordPress admin sidebar menu.

[code lang="php"]
function my_admin_menu() { // add a menu option to the WordPress Admin sidebar
add_menu_page('CSV', 'CSV File', 'manage_options', 'csv-file', 'csvFile', 'dashicons-admin-post',6);

function csvFile() {

$user_id = $_GET['id']; // or however you need to get the user id's
$path = wp_upload_dir(); // or where ever you want the file to go
$outstream = fopen($path['path']."/shippinglabels.csv", "w"); // the file name you choose

$fields = array(first_name, last_name, user_email, user_url, description); // the user information you want in the csv file

fputcsv($outstream, $fields); //creates the first line in the csv file

$user = get_user_by('id',$user_id); // find the user
$values=array(); // initialize the array
foreach($fields as $field)
$values[$field] = ($user->$field) ? $user->$field : get_user_meta($user_id, $field, true); // check the user record first, if not there, check user meta
fputcsv($outstream, $values); //output the user info line to the csv file

echo '<a href="'.$path['url'].'/shippinglabels.csv">Download</a>'; //make a link to the file so the user can download.

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