function qem_register()
{
    $processpercent = $processfixed = $qem_apikey = '';
    if (isset($_POST['Submit']) && check_admin_referer("save_qem")) {
        $options = array('useform', 'formwidth', 'notarchive', 'useqpp', 'usename', 'usemail', 'usetelephone', 'useplaces', 'usemessage', 'useattend', 'usecaptcha', 'useblank1', 'useblank2', 'usedropdown', 'useselector', 'usenumber1', 'reqname', 'reqmail', 'reqtelephone', 'reqmessage', 'reqblank1', 'reqblank2', 'reqdropdown', 'reqnumber1', 'formborder', 'sendemail', 'subject', 'subjecttitle', 'subjectdate', 'title', 'blurb', 'yourname', 'youremail', 'yourtelephone', 'yourplaces', 'yourmessage', 'yourcaptcha', 'yourattend', 'yourblank1', 'yourblank2', 'yourdropdown', 'yourselector', 'yournumber1', 'useaddinfo', 'addinfo', 'qemsubmit', 'error', 'replytitle', 'replyblurb', 'whoscoming', 'whosavatar', 'whoscomingmessage', 'placesbefore', 'placesafter', 'eventfull', 'eventfullmessage', 'eventlist', 'showuser', 'linkback', 'usecopy', 'copyblurb', 'alreadyregistered', 'useread_more', 'read_more', 'sort', 'registeredusers', 'paypal', 'qempaypalsubmit', 'numberattending', 'numberattendingbefore', 'numberattendingafter', 'allowmultiple', 'nameremoved', 'checkremoval', 'allowtags', 'useterms', 'termslabel', 'termsurl', 'termstarget', 'ontheright', 'usemorenames', 'morenames');
        foreach ($options as $item) {
            $register[$item] = stripslashes($_POST[$item]);
            if ($_POST['allowtags']) {
                $register[$item] = strip_tags($register[$item], '<p><b><a><em><i><strong>');
            } else {
                $register[$item] = filter_var($register[$item], FILTER_SANITIZE_STRING);
            }
        }
        update_option('qem_register', $register);
        qem_create_css_file('update');
        qem_admin_notice(__('The registration form settings have been updated', 'quick-event-manager'));
    }
    if (isset($_POST['Reset']) && check_admin_referer("save_qem")) {
        delete_option('qem_register');
        qem_admin_notice(__('The registration form settings have been reset', 'quick-event-manager'));
    }
    if (isset($_POST['Validate']) && check_admin_referer("save_qem")) {
        $apikey = $_POST['qem_apikey'];
        $blogurl = get_site_url();
        $akismet = new qem_akismet($blogurl, $apikey);
        if ($akismet->isKeyValid()) {
            qem_admin_notice("Valid Akismet API Key. All messages will now be checked against the Akismet database.");
            update_option('qem-akismet', $apikey);
        } else {
            qem_admin_notice("Your Akismet API Key is not Valid");
        }
    }
    if (isset($_POST['Delete']) && check_admin_referer("save_qem")) {
        delete_option('qem-akismet');
        qem_admin_notice("Akismet validation is no longer active on the Quick Event Manager");
    }
    $register = qem_get_stored_register();
    $content = '<div class="qem-settings"><div class="qem-options">
    <form id="" method="post" action="">
    <table width="100%">
    <tr>
    <td colspan="3"><h2>' . __('General Settings', 'quick-event-manager') . '</h2></td></tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="useform"' . $register['useform'] . ' value="checked" /></td>
    <td colspan="2">' . __('Add a registration form to ALL your events', 'quick-event-manager') . '<br>
    <span class="description">' . __('To add a registration form to individual events use the event editor', 'quick-event-manager') . '.</span></td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="formborder"' . $register['formborder'] . ' value="checked" /></td>
    <td colspan="2">' . __('Add a border to the form', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td></td>
    <td colspan="2">' . __('Form Width', 'quick-event-manager') . '<input type="text" style="width:4em" name="formwidth" value="' . $register['formwidth'] . '" /> use px, em or %. Default is px.</td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="ontheright"' . $register['ontheright'] . ' value="checked" /></td>
    <td colspan="2">' . __('Display the registration form on the right below the event image and map (if used)', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="notarchive" ' . $register['notarchive'] . ' value="checked" /></td>
    <td colspan="2">' . __('Do not display registration form on old events', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="showuser" ' . $register['showuser'] . ' value="checked" /></td>
    <td colspan="2">' . __('Pre-fill user name if logged in', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="registeredusers" ' . $register['registeredusers'] . ' value="checked" /></td>
    <td colspan="2">' . __('Only users who have logged in can register', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="allowmultiple" ' . $register['allowmultiple'] . ' value="checked" /></td>
    <td colspan="2">' . __('Allow multiple registrations', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="eventfull" ' . $register['eventfull'] . ' value="checked" /></td>
    <td colspan="2">' . __('Hide registration form when event is full', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td></td>
    <td>' . __('Message to display', 'quick-event-manager') . ':</td>
    <td><input type="text" style="" name="eventfullmessage" value="' . $register['eventfullmessage'] . '" /></td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="allowtags"' . $register['allowtags'] . ' value="cheFcked" /></td>
    <td colspan="2">' . __('Allow HTML tags', 'quick-event-manager') . ' ' . __('Warning: this may leave your site open to CSRF and XSS attacks so be careful.', 'quick-event-manager') . '</td>
    </tr>
    <td colspan="3"><h2>' . __('Notifications', 'quick-event-manager') . '</h2></td>
    <tr>
    <td colspan="2">' . __('Your Email Address', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="sendemail" value="' . $register['sendemail'] . '" /><br><span class="description">' . __('This is where registration notifications will be sent', 'quick-event-manager') . '</span></td>
    </tr>
    <tr>
    <td colspan="3"><h2>' . __('Registration Form', 'quick-event-manager') . '</h2></td>
    </tr>
    <tr>
    <td colspan="2">' . __('Form title', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="title" value="' . $register['title'] . '" /></td>
    </tr>
    <tr>
    <td colspan="2">' . __('Form blurb', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="blurb" value="' . $register['blurb'] . '" /></td>
    </tr>
    <td colspan="2">' . __('Submit Button', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="qemsubmit" value="' . $register['qemsubmit'] . '" /></td>
    </tr>
    </table>
    <p>' . __('Check those fields you want to use. Drag and drop to change the order', 'quick-event-manager') . '.</p>
    <style>table#sorting{width:100%;}
    #sorting tbody tr{outline: 1px solid #888;background:#E0E0E0;}
    #sorting tbody td{padding: 2px;vertical-align:middle;}
    #sorting{border-collapse:separate;border-spacing:0 5px;}</style>
    <script>
    jQuery(function() 
    {var qem_rsort = jQuery( "#qem_rsort" ).sortable(
    {axis: "y",cursor: "move",opacity:0.8,update:function(e,ui)
    {var order = qem_rsort.sortable("toArray").join();jQuery("#qem_register_sort").val(order);}});});
    </script>
    <table id="sorting">
    <thead>
    <tr>
    <th width="5%">U</th>
    <th width="5%">R</th>
    <th width="20%">' . __('Field', 'quick-event-manager') . '</th>
    <th>' . __('Label', 'quick-event-manager') . '</th>
    </tr>
    </thead><tbody id="qem_rsort">';
    $sort = explode(",", $register['sort']);
    foreach ($sort as $name) {
        switch ($name) {
            case 'field1':
                $use = 'usename';
                $req = 'reqname';
                $label = __('Name', 'quick-event-manager');
                $input = 'yourname';
                break;
            case 'field2':
                $use = 'usemail';
                $req = 'reqmail';
                $label = __('Email', 'quick-event-manager');
                $input = 'youremail';
                break;
            case 'field3':
                $use = 'useattend';
                $req = '';
                $label = __('Not Attending', 'quick-event-manager');
                $input = 'yourattend';
                break;
            case 'field4':
                $use = 'usetelephone';
                $req = 'reqtelephone';
                $label = __('Telephone', 'quick-event-manager');
                $input = 'yourtelephone';
                break;
            case 'field5':
                $use = 'useplaces';
                $req = '';
                $label = __('Places', 'quick-event-manager');
                $input = 'yourplaces';
                break;
            case 'field6':
                $use = 'usemessage';
                $req = 'reqmessage';
                $label = __('Message', 'quick-event-manager');
                $input = 'yourmessage';
                break;
            case 'field7':
                $use = 'usecaptcha';
                $req = '';
                $label = __('Captcha', 'quick-event-manager');
                $input = 'Displays a simple maths captcha to confuse the spammers.';
                break;
            case 'field8':
                $use = 'usecopy';
                $req = '';
                $label = __('Copy Message', 'quick-event-manager');
                $input = 'copyblurb';
                break;
            case 'field9':
                $use = 'useblank1';
                $req = 'reqblank1';
                $label = __('User defined', 'quick-event-manager');
                $input = 'yourblank1';
                break;
            case 'field10':
                $use = 'useblank2';
                $req = 'reqblank2';
                $label = __('User defined', 'quick-event-manager');
                $input = 'yourblank2';
                break;
            case 'field11':
                $use = 'usedropdown';
                $req = '';
                $label = __('Dropdown', 'quick-event-manager');
                $input = 'yourdropdown';
                break;
            case 'field12':
                $use = 'usenumber1';
                $req = 'reqnumber1';
                $label = __('Number', 'quick-event-manager');
                $input = 'yournumber1';
                break;
            case 'field13':
                $use = 'useaddinfo';
                $req = '';
                $label = __('Additional Info (displays as plain text)', 'quick-event-manager');
                $input = 'addinfo';
                break;
            case 'field14':
                $use = 'useselector';
                $req = '';
                $label = __('Dropdown', 'quick-event-manager');
                $input = 'yourselector';
                break;
        }
        $content .= '<tr id="' . $name . '">
        <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="' . $use . '" ' . $register[$use] . ' value="checked" /></td>
        <td width="5%">';
        if ($req) {
            $content .= '<input type="checkbox" style="margin:0; padding: 0; border: none" name="' . $req . '" ' . $register[$req] . ' value="checked" />';
        }
        $content .= '</td><td width="20%">' . $label . '</td><td>';
        if ($name == 'field7') {
            $content .= $input;
        } else {
            $content .= '<input type="text" style="padding:1px;border: 1px solid #343838;" name="' . $input . '" value="' . $register[$input] . '" />';
        }
        $content .= '</td></tr>';
    }
    $content .= '</tbody>
    </table>
    <input type="hidden" id="qem_register_sort" name="sort" value="' . $register['sort'] . '" />
    <table>
    <td colspan="3"><h2>' . __('Show box for more names', 'quick-event-manager') . '</h2></td>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="usemorenames" ' . $register['usemorenames'] . ' value="checked" /></td>
    <td colspan="2">' . __('Show box to add more names if number attending is greater than 1') . '</td>
    </tr>
    <tr>
    <td></td>
    <td>' . __('More names label', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="morenames" value="' . $register['morenames'] . '" /></td>
    </tr>
    <tr>
    <td colspan="3"><h2>' . __('Terms and Conditions', 'quick-event-manager') . '</h2></td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="useterms" ' . $register['useterms'] . ' value="checked" />
    </td>
    <td colspan="2">' . __('Include Terms and Conditions checkbox') . '</td>
    </tr>
    <tr>
    <td></td>
    <td>' . __('T&C label', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="termslabel" value="' . $register['termslabel'] . '" /></td>
    </tr>
    <tr>
    <td></td>
    <td>' . __('T&C URL', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="termsurl" value="' . $register['termsurl'] . '" /></td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="termstarget" ' . $register['termstarget'] . ' value="checked" /></td>
    <td colspan="2">' . __('Open link in new Tab/Window') . '</td>
    </tr>
    <tr>
    <td colspan="3"><h2>' . __('Error and Thank-you messages', 'quick-event-manager') . '</h2></td>
    </tr>
    <tr>
    <td colspan="2">' . __('Thank you message title', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="replytitle" value="' . $register['replytitle'] . '" /></td>
    </tr>
    <tr>
    <td colspan="2">' . __('Thank you message blurb', 'quick-event-manager') . '</td>
    <td><textarea style="width:100%;height:100px;" name="replyblurb">' . $register['replyblurb'] . '</textarea></td>
    </tr>
    <tr>
    <td colspan="2">' . __('Error Message', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="error" value="' . $register['error'] . '" /></td>
    </tr>
    <tr>
    <td colspan="2">' . __('Already Registered', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="alreadyregistered" value="' . $register['alreadyregistered'] . '" /></td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="checkremoval" ' . $register['checkremoval'] . ' value="checked" /></td>
    <td colspan="2">' . __('Use \'Not Attending\' option to allow people to remove their names from the list', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td></td>
    <td>' . __('Name Removed Message', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="nameremoved" value="' . $register['nameremoved'] . '" /></td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="useread_more"' . $register['useread_more'] . ' value="checked" /></td>
    <td colspan="2">' . __('Display a \'return to event\' message after registration', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td></td>
    <td>' . __('Return to event message:', 'quick-event-manager') . '</td>
    <td><input type="text" style="width:100%;" label="read_more" name="read_more" value="' . $register['read_more'] . '" /></td>
    </tr>
    <tr>
    <td colspan="3"><h2>' . __('Confirmation Email', 'quick-event-manager') . '</h2></td>
    </tr>
    <tr>
    <td colspan="3">You can reply to the sender using the <a href="?page=quick-event-manager/settings.php&tab=auto">Auto Responder</a>.</td>
    </tr>
    <tr>
    <td colspan="3"><h2>' . __('Show Attendees', 'quick-event-manager') . '</h2></td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="whoscoming" ' . $register['whoscoming'] . ' value="checked" /></td>
    <td colspan="2">' . __('List attendees', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="whosavatar" ' . $register['whosavatar'] . ' value="checked" /></td>
    <td colspan="2">' . __('Show avatars', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td colspan="2">' . __('Message', 'quick-event-manager') . '</td>
    <td><input type="text" style="" name="whoscomingmessage" value="' . $register['whoscomingmessage'] . '" /></td>
    </tr>
    <tr>
    <td colspan="3"><h2>' . __('Places Available and Numbers Attending', 'quick-event-manager') . '</h2></td>
    </tr>
    <tr>
    <td colspan="3">' . __('Show how many places are left for an event', 'quick-event-manager') . '. ' . __('Set the number of places in the event editor', 'quick-event-manager') . '.</td>
    </tr>
    <tr>
    <td></td>
    <td>' . __('Message to display', 'quick-event-manager') . ':</td>
    <td><input type="text" style="width:40%;" name="placesbefore" value="' . $register['placesbefore'] . '" /> {number} <input type="text" style="width:40%;" name="placesafter" value="' . $register['placesafter'] . '" />
    </td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="eventlist" ' . $register['eventlist'] . ' value="checked" /></td>
    <td colspan="2">' . __('Show places available on event list - this only works if you have selected \'Add an attendee counter to this form\' on the event editor.', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td width="5%"><input type="checkbox" style="margin:0; padding: 0; border: none" name="numberattending" ' . $register['numberattending'] . ' value="checked" /></td>
    <td colspan="2">' . __('Show number of people attending.', 'quick-event-manager') . '</td>
    </tr>
    <tr>
    <td></td><td>' . __('Message to display', 'quick-event-manager') . ':</td>
    <td><input type="text" style="width:40%; " name="numberattendingbefore" value="' . $register['numberattendingbefore'] . '" /> {number} <input type="text" style="width:40%; " name="numberattendingafter" value="' . $register['numberattendingafter'] . '" /></td>
    </tr>
    </table>
    <p><input type="submit" name="Submit" class="button-primary" style="color: #FFF;" value="' . __('Save Changes', 'quick-event-manager') . '" />
    <input type="submit" name="Reset" class="button-primary" style="color: #FFF;" value="' . __('Reset', 'quick-event-manager') . '" onclick="return window.confirm( \'' . __('Are you sure you want to reset the registration form?', 'quick-event-manager') . '\' );"/></p>
    <h2>' . __('Use Akismet Validation', 'quick-event-manager') . '</h2>
    <p>' . __('Enter your API Key to check all messages against the Akismet database.', 'quick-event-manager') . '</p> 
    <p><input type="text" label="akismet" name="qem_apikey" value="' . $qem_apikey . '" /></p>
    <p><input type="submit" name="Validate" class="button-primary" style="color: #FFF;" value="Activate Akismet Validation" /> <input type="submit" name="Delete" class="button-secondary" value="Deactivate Aksimet Validation" onclick="return window.confirm( \'This will delete the Akismet Key.\\nAre you sure you want to do this?\' );"/></p>';
    $content .= wp_nonce_field("save_qem");
    $content .= '</form>
    </div>
    <div class="qem-options" style="float:right">
    <h2>' . __('Example form', 'quick-event-manager') . '</h2>
    <p>' . __('This is an example of the form. When it appears on your site it will use your theme styles.', 'quick-event-manager') . '</p>';
    $content .= qem_loop();
    $content .= '</div></div>';
    echo $content;
}
function qem_verify_form(&$values, &$errors)
{
    $event = get_the_ID();
    $whoscoming = get_option('qem_messages_' . $event);
    if (!$whoscoming) {
        $whoscoming = array();
    }
    $register = qem_get_stored_register();
    $payment = qem_get_stored_payment();
    $apikey = get_option('qem-akismet');
    if ($apikey) {
        $blogurl = get_site_url();
        $akismet = new qem_akismet($blogurl, $apikey);
        $akismet->setCommentAuthor($values['yourname']);
        $akismet->setCommentAuthorEmail($values['youremail']);
        $akismet->setCommentContent($values['yourmessage']);
        if ($akismet->isCommentSpam()) {
            $errors['spam'] = $register['spam'];
        }
    }
    if (!$register['usemail'] && $register['usename'] && !$register['allowmultiple']) {
        $alreadyregistered = qem_search_array($values['yourname'], $whoscoming);
    } elseif ($register['usemail'] && !$register['allowmultiple']) {
        $alreadyregistered = qem_search_array($values['youremail'], $whoscoming);
    }
    if ($alreadyregistered) {
        if ($register['checkremoval'] && $values['notattend'] && $values['youremail']) {
            $message = get_option('qem_messages_' . $event);
            for ($i = 0; $i <= count($message); $i++) {
                if ($message[$i]['youremail'] == $values['youremail']) {
                    unset($message[$i]);
                    $errors['alreadyregistered'] = 'removed';
                }
            }
            $message = array_values($message);
            update_option('qem_messages_' . $event, $message);
        } else {
            $errors['alreadyregistered'] = 'checked';
        }
    } else {
        if ($register['usemail'] && !filter_var($values['youremail'], FILTER_VALIDATE_EMAIL)) {
            $errors['youremail'] = 'error';
        }
        $values['yourname'] = filter_var($values['yourname'], FILTER_SANITIZE_STRING);
        if ($register['usename'] && $register['reqname'] && (empty($values['yourname']) || $values['yourname'] == $register['yourname'])) {
            $errors['yourname'] = 'error';
        }
        $values['youremail'] = filter_var($values['youremail'], FILTER_SANITIZE_STRING);
        if ($register['usemail'] && $register['reqmail'] && (empty($values['youremail']) || $values['youremail'] == $register['youremail'])) {
            $errors['youremail'] = 'error';
        }
        $values['yourtelephone'] = filter_var($values['yourtelephone'], FILTER_SANITIZE_STRING);
        if ($register['usetelephone'] && $register['reqtelephone'] && (empty($values['yourtelephone']) || $values['yourtelephone'] == $register['yourtelephone'])) {
            $errors['yourtelephone'] = 'error';
        }
        $values['yourplaces'] = preg_replace('/[^0-9]/', '', $values['yourplaces']);
        if ($register['useplaces'] && empty($values['yourplaces'])) {
            $values['yourplaces'] = '1';
        }
        $values['morenames'] = filter_var($values['morenames'], FILTER_SANITIZE_STRING);
        $values['yourmessage'] = filter_var($values['yourmessage'], FILTER_SANITIZE_STRING);
        if ($register['usemessage'] && $register['reqmessage'] && (empty($values['yourmessage']) || $values['yourmessage'] == $register['yourmessage'])) {
            $errors['yourmessage'] = 'error';
        }
        $values['yourblank1'] = filter_var($values['yourblank1'], FILTER_SANITIZE_STRING);
        if ($register['useblank1'] && $register['reqblank1'] && (empty($values['yourblank1']) || $values['yourblank1'] == $register['yourblank1'])) {
            $errors['yourblank1'] = 'error';
        }
        $values['yourblank2'] = filter_var($values['yourblank2'], FILTER_SANITIZE_STRING);
        if ($register['useblank2'] && $register['reqblank2'] && (empty($values['yourblank2']) || $values['yourblank2'] == $register['yourblank2'])) {
            $errors['yourblank2'] = 'error';
        }
        $values['yourdropdown'] = filter_var($values['yourdropdown'], FILTER_SANITIZE_STRING);
        $values['yourselector'] = filter_var($values['yourselector'], FILTER_SANITIZE_STRING);
        $values['yournumber1'] = filter_var($values['yournumber1'], FILTER_SANITIZE_STRING);
        if ($register['usenumber1'] && $register['reqnumber1'] && (empty($values['yournumber1']) || $values['yournumber1'] == $register['yournumber1'])) {
            $errors['yournumber1'] = 'error';
        }
        if ($register['useterms'] && empty($values['terms'])) {
            $errors['terms'] = 'error';
        }
        if ($register['usecaptcha'] && (empty($values['youranswer']) || $values['youranswer'] != $values['answer'])) {
            $errors['youranswer'] = 'error';
        }
        $values['youranswer'] = filter_var($values['youranswer'], FILTER_SANITIZE_STRING);
        if ($register['useplaces'] && get_post_meta($event, 'event_counter', true)) {
            $event = get_the_ID();
            $attending = qem_get_the_numbers($event, $payment);
            $number = $attending + $values['yourplaces'];
            $places = get_post_meta($event, 'event_number', true);
            if ($places < $number && $attending) {
                $errors['yourplaces'] = 'error';
            }
        }
    }
    return count($errors) == 0;
}