wp-batch-user-creation

<?php
/*
    Create users from a database table.
    code adapted from:
    http://wordpress.stackexchange.com/questions/98658/batch-users-creation
*/

$lock = false; //true = disabled (locked)

if(!$lock) { // if not locked
    require_once( $_SERVER['DOCUMENT_ROOT'] . '/wp-load.php' );

    /*
    $last_registered_user = $wpdb->get_row("SELECT ID FROM $wpdb->users ORDER BY ID DESC LIMIT 1");
    $new_id = $last_registered_user->ID + 1;
    $limit = false; // extra lock

    while($new_id <= $limit) {
        wp_add_user( 'user_'.$new_id, 'changeme', 'user'.$new_id.'@example.com' );
        $new_id++;
    }
    */

    //We'll use wp_insert_user instead to spedify more properties for the user.

    $authors_waiting=$wpdb->get_results('select user_login, user_pass, user_email, first_name, last_name from waiting_authors', ARRAY_A);

    foreach ($authors_waiting as $author_waiting) {
        wp_insert_user($author_waiting);
    }


} else { // if locked ?>
    <h5>This script is locked to prevent accidental use.</h5>
<?php
}
?>