How to uninstall MailPress (MailPress Uninstall problems)

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Neo
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How to uninstall MailPress (MailPress Uninstall problems)

Post by Neo » Tue Jul 12, 2011 3:24 pm

When you try to delete MailPress 5.1 plug-in from WordPress, If you are getting an error which says MP_uninstall not found, here is a quick solution for you.

Open uninstall.php which is under /wp-content/plugins/mailpress/ and replace the entire content with the following code. Note that this class can be found inside a folder in the MailPress installation. If you are using a higher version than 5.1, make sure to replace the code from that.

Code: Select all

<?php

class MP_uninstall
{
    function __construct()
    {
        global $wpdb;

// taxonomies
        $taxonomies = array('MailPress_mailing_list', 'MailPress_autoresponder');
        foreach($taxonomies as $taxonomy)
        {
            $queries[] = "DELETE FROM $wpdb->terms              WHERE term_id IN (SELECT term_id FROM $wpdb->term_taxonomy WHERE taxonomy = '$taxonomy');";
            $queries[] = "DELETE FROM $wpdb->term_relationships WHERE term_id IN (SELECT term_id FROM $wpdb->term_taxonomy WHERE taxonomy = '$taxonomy');";
            $queries[] = "DELETE FROM $wpdb->term_taxonomy WHERE taxonomy = '$taxonomy';";
        }
// postmeta
        $queries[] = "DELETE FROM $wpdb->postmeta WHERE meta_key like '%_MailPress%';";        
        $queries[] = "DELETE FROM $wpdb->postmeta WHERE meta_key like '%_mailpress%';";
// usermeta
        $queries[] = "DELETE FROM $wpdb->usermeta WHERE meta_key like '%_MailPress%';";        
        $queries[] = "DELETE FROM $wpdb->usermeta WHERE meta_key like '%_mailpress%';";
// options
        $queries[] = "DELETE FROM $wpdb->options WHERE option_name like '%MailPress%';";        
        $queries[] = "DELETE FROM $wpdb->options WHERE option_name like '%mailpress%';";
// mailpress tables
        $queries[] = "DROP TABLE $wpdb->mp_stats;";
        $queries[] = "DROP TABLE $wpdb->mp_mails;";
        $queries[] = "DROP TABLE $wpdb->mp_mailmeta;";        
        $queries[] = "DROP TABLE $wpdb->mp_users;";        
        $queries[] = "DROP TABLE $wpdb->mp_usermeta;";
        $queries[] = "DROP TABLE $wpdb->mp_tracks;";    
        $queries[] = "DROP TABLE $wpdb->mp_forms;";    
        $queries[] = "DROP TABLE $wpdb->mp_fields;";    

        foreach($queries as $query) $wpdb->query($query);
    }
}

new MP_uninstall();

?>
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