function ellak_social_links()
{
    ?>
	<div class="header-login">
				<?php 
    if (is_user_logged_in()) {
        ?>
				<a href="<?php 
        echo esc_url(get_edit_user_link());
        ?>
"><?php 
        _e('Ο λογαριασμός μου', 'gpchild-ellak');
        ?>
</a>
				<a href="<?php 
        echo esc_url(wp_logout_url(get_permalink()));
        ?>
"><?php 
        _e('Αποσύνδεση', 'gpchild-ellak');
        ?>
</a>

				<?php 
    } else {
        if (get_option('users_can_register')) {
            ?>
				<a href="<?php 
            echo esc_url(wp_registration_url());
            ?>
"><?php 
            _e('Εγγραφή', 'gpchild-ellak');
            ?>
</a>
				<?php 
        }
        // get_option
        ?>

				<a href="<?php 
        echo esc_url(wp_login_url());
        ?>
"><?php 
        _e('Συνδεση', 'gpchild-ellak');
        ?>
</a>

				<?php 
    }
    // is_user_logged_in
    ?>
			</div>
	<div class="header-social-links">
		<ul class="social-links">
			<li class="social-link-facebook"><a href="https://www.facebook.com/CreativeCommonsGreece" target="_blank"><span>Facebook</span></a></li>
			<li class="social-link-twitter"><a href="https://www.twitter.com/cc_greece" target="_blank"><span>Twitter</span></a></li>
			<li class="social-link-rss"><a href="https://ellak.gr/rss-feeds/" target="_blank"><span>RSS</span></a></li>
		</ul>
	</div><!-- .header-social-links -->
<?php 
}

function regclass_process_form()
{
    // error_log("+++++++++++++++++++++++++++++++++++++++++");
    // error_log(print_r($_POST, true));
    if (!empty($_POST['nonce_regclass_form'])) {
        if (!wp_verify_nonce($_POST['nonce_regclass_form'], 'handle_regclass_form')) {
            die('You are not authorized to perform this action.');
        } else {
            //die('Its safe to do further processing on submitted data.');
            $error = null;
            if (isset($_POST['signup'])) {
                wp_redirect(wp_registration_url(add_query_arg('id', $_GET['id'], get_permalink())));
                exit;
            } else {
                if (isset($_POST['signin'])) {
                    wp_redirect(wp_login_url(add_query_arg('id', $_GET['id'], get_permalink())));
                    exit;
                } else {
                    //if( isset($_POST['register'])) {
                    //die('Its safe to register.');
                    //echo "hello";
                    //error_log("register");
                    wp_redirect(the_permalink());
                }
            }
        }
    }
    // process input show errors or success message
    return "Process Data";
}

 /**
  * Add front-end notices.
  */
 public function ticket_form_message()
 {
     /** @var $camptix CampTix_Plugin */
     global $camptix;
     // Warn users that they will need to login to purchase a ticket
     if (!is_user_logged_in()) {
         $camptix->notice(apply_filters('camptix_require_login_please_login_message', sprintf(__('Please <a href="%s">log in</a> or <a href="%s">create an account</a> to purchase your tickets.', 'camptix'), wp_login_url(add_query_arg($_REQUEST, $this->get_redirect_return_url())), wp_registration_url())));
     }
     // Inform a user registering multiple attendees that other attendees will enter their own info
     if (isset($_REQUEST['tix_action']) && 'attendee_info' == $_REQUEST['tix_action'] && $this->registering_multiple_attendees($_REQUEST['tix_tickets_selected'])) {
         $notice = __('<p>Please enter your own information for the first ticket, and then enter the names and e-mail addresses of other attendees in the subsequent ticket fields.</p>', 'camptix');
         if ($this->tickets_have_questions($_REQUEST['tix_tickets_selected'])) {
             $notice .= __('<p>The other attendees will receive an e-mail asking them to confirm their registration and enter their additional information.</p>', 'camptix');
         }
         $camptix->notice($notice);
     }
     // Ask the attendee to confirm their registration
     if (isset($_REQUEST['tix_action']) && 'edit_attendee' == $_REQUEST['tix_action'] && self::UNCONFIRMED_USERNAME == get_post_meta($_REQUEST['tix_attendee_id'], 'tix_username', true)) {
         $tickets_selected = array(get_post_meta($_REQUEST['tix_attendee_id'], 'tix_ticket_id', true) => 1);
         // mimic $_REQUEST['tix_tickets_selected']
         if ($this->tickets_have_questions($tickets_selected)) {
             $notice = __('To complete your registration, please fill out the fields below, and then click on the Confirm Registration button.', 'camptix');
         } else {
             $notice = __('To complete your registration, please verify that all of the information below is correct, and then click on the Confirm Registration button.', 'camptix');
         }
         $camptix->notice($notice);
     }
 }

    function wp_login_form($args = array())
    {
        $defaults = array('redirect' => (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'], 'form_id' => uniqid('loginform_'), 'label_username' => __('Username', 'dfd'), 'placeholder_username' => __('Enter your login', 'dfd'), 'label_password' => __('Password', 'dfd'), 'placeholder_password' => __('Enter your password', 'dfd'), 'label_lost_password' => __('Lost password', 'dfd'), 'label_log_in' => __('Log In', 'dfd'), 'id_username' => uniqid('user_login_'), 'id_password' => uniqid('user_pass_'), 'id_submit' => uniqid('wp-submit_'), 'lost_password' => true, 'value_username' => '');
        $args = wp_parse_args($args, apply_filters('login_form_defaults', $defaults));
        $registration_link = '';
        if (get_option('users_can_register')) {
            $registration_link = '
			<a href="' . wp_registration_url() . '"><i class="ios7icon-lock"></i>' . __('Registration', 'dfd') . '</a>
		';
        }
        $form = '
		<form name="' . $args['form_id'] . '" id="' . $args['form_id'] . '" action="' . esc_url(site_url('wp-login.php', 'login_post')) . '" method="post">
			' . apply_filters('login_form_top', '', $args) . '
			<p class="login-username">
				<label for="' . esc_attr($args['id_username']) . '">' . esc_html($args['label_username']) . '</label>
				<input type="text" name="log" id="' . esc_attr($args['id_username']) . '" class="input" value="' . esc_attr($args['value_username']) . '" size="20" placeholder="' . esc_html($args['placeholder_username']) . '" />
			</p>
			<p class="login-password">
				<label for="' . esc_attr($args['id_password']) . '">' . esc_html($args['label_password']) . '</label>
				<input type="password" name="pwd" id="' . esc_attr($args['id_password']) . '" class="input" value="" size="20" placeholder="' . esc_html($args['placeholder_password']) . '" />
			</p>
			<p class="login-submit">
				<button type="submit" name="wp-submit" id="' . esc_attr($args['id_submit']) . '" class="button"><i class="icon-arrow-left-1"></i>' . esc_attr($args['label_log_in']) . '</button>
				<input type="hidden" name="redirect_to" value="' . esc_url($args['redirect']) . '" />
			</p>
			' . ($args['lost_password'] ? '<p class="login-lost-password"><label>' . '<a href="' . wp_lostpassword_url() . '">' . esc_attr($args['label_lost_password']) . '</a></label></p>' : '') . '<p class="login-registration">
				' . $registration_link . '
			</p>' . apply_filters('login_form_bottom', '', $args) . '
		</form>';
        echo $form;
    }

/**
 * Sets the right href and class attributes for the modal link in menus
 */
function palo_filter_frontend_modal_link_atts($atts, $item, $args)
{
    /**
     * Ony apply to modal login or register
     */
    if (in_array($atts['href'], array('#pa_modal_login', '#pa_modal_register'))) {
        /**
         * Add trigger if not logged in
         */
        if (!is_user_logged_in()) {
            $atts['class'] = assign_if_exists('class', $atts) . ' palo-modal-login-trigger';
        }
        /**
         * Modify links
         */
        if ('#pa_modal_login' == $atts['href']) {
            if (is_user_logged_in()) {
                $atts['href'] = wp_logout_url();
            } else {
                $atts['href'] = wp_login_url();
                $atts['data-palo-modal'] = palo_append_qs(wp_login_url(), 'palo-login=1');
            }
        } else {
            if ('#pa_modal_register' == $atts['href']) {
                $atts['href'] = wp_registration_url();
                $atts['data-palo-modal'] = palo_append_qs(wp_registration_url(), 'palo-login=1');
            }
        }
    }
    return $atts;
}

function v_forcelogin()
{
    if (!is_user_logged_in() && (v_getUrl() != wp_login_url() && v_getUrl() != wp_registration_url() && v_getUrl() != wp_lostpassword_url())) {
        wp_redirect(wp_login_url(), 302);
        exit;
    }
}

 function widget($args, $instance)
 {
     global $user_login;
     if (!isset($args['widget_id'])) {
         $args['widget_id'] = null;
     }
     extract($args, EXTR_SKIP);
     extract($instance);
     echo $before_widget;
     $title = apply_filters('widget_title', $title, $instance, $this->id_base);
     if (is_user_logged_in()) {
         $user = get_user_by('login', $user_login);
         $title = __('Welcome', 'mfn-opts') . ' ' . $user->data->display_name;
     }
     echo '<div class="mfn-login">';
     if ($title) {
         echo $before_title . $title . $after_title;
     }
     // validation
     if (isset($_GET['login']) && $_GET['login'] == 'failed') {
         $errcode = $_GET['errcode'];
         if ($errcode == "empty_username" || $errcode == "empty_password") {
             $error = __('Please enter Username and Password', 'mfn-opts');
         } elseif ($errcode == 'invalid_username') {
             $error = __('Invalid Username', 'mfn-opts');
         } elseif ($errcode == 'incorrect_password') {
             $error = __('Incorrect Password', 'mfn-opts');
         }
         echo '<div class="alert alert_error">' . $error . '</div>';
     }
     if (is_user_logged_in()) {
         echo '<div class="avatar-wrapper">' . get_avatar($user->ID, 64) . '</div>';
         echo '<div class="author">';
         _e('Logged in as ', 'mfn-opts');
         echo '<strong>' . ucfirst(implode(', ', $user->roles)) . '</strong><br />';
         echo '<a href="' . admin_url() . '">' . __('Dashboard', 'mfn-opts') . '</a>';
         echo '<span class="sep">|</span>';
         echo '<a href="' . admin_url() . 'profile.php">' . __('Profile', 'mfn-opts') . '</a>';
         echo '<span class="sep">|</span>';
         echo '<a href="' . wp_logout_url(site_url()) . '">' . __('Logout', 'mfn-opts') . '</a>';
         echo '</div>';
     } else {
         wp_login_form(array('value_remember' => 0, 'redirect' => site_url(), 'remember' => false));
         echo '<div class="links">';
         if ($show_register) {
             echo '<a href="' . wp_registration_url() . '">' . __('Register', 'mfn-opts') . '</a>';
         }
         if ($show_register && $show_forgotten_password) {
             echo '<span class="sep">|</span>';
         }
         if ($show_forgotten_password) {
             echo '<a href="' . wp_registration_url() . '">' . __('Lost your password?', 'mfn-opts') . '</a>';
         }
         echo '</div>';
     }
     echo '</div>' . "\n";
     echo $after_widget;
 }

function dadospessoais_scripts()
{
    wp_enqueue_script('dadospessoais', get_stylesheet_directory_uri() . '/js/dadospessoais.js', array('jquery'));
    $var_plataforma = array();
    $var_plataforma['signup_url'] = wp_registration_url();
    $var_plataforma['login_url'] = wp_login_url();
    $var_plataforma['configs'] = array('ajaxurl' => admin_url('admin-ajax.php'), 'ajaxgif' => get_template_directory_uri() . '/images/ajax-loader.gif');
    wp_localize_script('dadospessoais', 'dadosPessoais', $var_plataforma);
}

/** Get ProfilePress login page URL or WP default login url if it isn't set. */
function pp_registration_url()
{
    $data = pp_db_data();
    if (!empty($data['set_registration_url'])) {
        $reg_url = get_permalink($data['set_registration_url']);
    } else {
        $reg_url = wp_registration_url();
    }
    return $reg_url;
}

 /**
  * Creates the Nav Menu Markup class
  * @param My_Plugin_Settings_Public $settings
  */
 function __construct(My_Plugin_Settings_Public $settings)
 {
     $this->settings = $settings;
     $this->site_title = get_bloginfo('name');
     $this->home_url = esc_url(home_url('/'));
     $this->current_url = esc_url(get_permalink());
     $this->login_url = wp_login_url($this->current_url);
     $this->logout_url = wp_logout_url($this->current_url);
     $this->register_url = wp_registration_url();
     $this->unique_menu_id = 'menu_' . $settings->get_option_settings_db_name();
 }

 function login_form_register()
 {
     global $videotube;
     $loginpage = isset($videotube['loginpage']) ? $videotube['loginpage'] : null;
     if ($loginpage) {
         $permalink_structure = get_option('permalink_structure') ? '?' : '&';
         $redirect_to = $_REQUEST['redirect_to'] ? $permalink_structure . 'redirect_to=' . $_REQUEST['redirect_to'] : null;
         wp_redirect(get_permalink($loginpage) . $redirect_to);
     } else {
         wp_redirect(wp_registration_url());
     }
 }

function aione_register_link_shortcode($atts)
{
    // Attributes
    extract(shortcode_atts(array('class' => '', 'text' => 'Sign up'), $atts));
    $output = "";
    if (!is_user_logged_in()) {
        $output .= '<div id="login_link" class="user-links login-link ' . $class . '">';
        $output .= '<a href="' . wp_registration_url() . '" title="' . $text . '">' . $text . '</a>';
        $output .= '</div>';
    }
    return $output;
}

function wdm_auction_dashboard_login($ext_html)
{
    $login_screen = '';
    $db_url = get_option('wdm_dashboard_page_url');
    //get custom login and registration url if set
    $wdm_login_url = get_option('wdm_login_page_url');
    $wdm_registration_url = get_option('wdm_register_page_url');
    if (empty($wdm_login_url)) {
        if ($ext_html === 'bid') {
            $wdm_login_url = wp_login_url($_SERVER['REQUEST_URI']);
        } elseif ($ext_html === 'watchlist') {
            $wdm_login_url = wp_login_url($_SERVER['REQUEST_URI'] . "&add_to_watch=y");
        } elseif ($ext_html === 'review') {
            $wdm_login_url = wp_login_url($_SERVER['REQUEST_URI'] . "&rnr=shw");
        } else {
            $wdm_login_url = wp_login_url($db_url);
        }
    }
    if (empty($wdm_registration_url)) {
        $wdm_registration_url = wp_registration_url();
    }
    //if($ext_html === 'watchlist'){
    //	$wdm_login_url = wp_login_url( $_SERVER['REQUEST_URI']."&add_to_watch=y");
    //}
    //elseif($ext_html === 'review'){
    //	$wdm_login_url = wp_login_url( $_SERVER['REQUEST_URI']."&rnr=shw");
    //}
    //if($ext_html === 'bid'){
    if ($ext_html === 'bid') {
        $login_screen .= '<div class="wdm_ua_pop_up_cmn"><center><div class="ua_login_popup_text">';
        $login_screen .= __("Please sign in to place your bid or buy the product.", "wdm-ultimate-auction");
        $login_screen .= '</div>';
        $login_screen .= '<a class="wdm-login-ua-db wdm_ua_login_db" href="' . $wdm_login_url . '" title="' . __('Login', 'wdm-ultimate-auction') . '">' . __("Login", "wdm-ultimate-auction") . '</a></center></div>';
        // }
        //else{
        //   $login_screen .= '<div class="wdm_ua_pop_up_cmn"><center><div class="ua_login_popup_text">';
        //   $login_screen .= __("Please sign in to view your dashboard.", "wdm-ultimate-auction");
        //   $login_screen .= '</div>';
        //   $login_screen .= '<a class="wdm-login-ua-db wdm_ua_login_db" href="'.wp_login_url($db_url).'" title="Login">'.__("Login", "wdm-ultimate-auction").'</a></center></div>';
        //}
    } else {
        $login_screen .= '<div class="wdm_ua_pop_up_cmn"><center><div class="ua_login_popup_text">';
        $login_screen .= __("Please sign in to view your dashboard.", "wdm-ultimate-auction");
        $login_screen .= '</div>';
        $login_screen .= '<a class="wdm-login-ua-db wdm_ua_login_db" href="' . wp_login_url($db_url) . '" title="Login">' . __("Login", "wdm-ultimate-auction") . '</a></center></div>';
    }
    $login_screen .= '<div class="wdm_ua_pop_up_cmn" style="margin-top:40px;"><center><div class="ua_login_popup_text">';
    $login_screen .= __("Don't have an account?", "wdm-ultimate-auction");
    $login_screen .= '</div>';
    $login_screen .= '<a class="wdm-login-ua-db wdm_ua_reg_db" href="' . $wdm_registration_url . '" title="' . __('Register', 'wdm-ultimate-auction') . '">' . __("Register now", "wdm-ultimate-auction") . '</a></center></div>';
    return $login_screen;
}

/**
 *  Scripts and styles
 */
function theme_enqueue_styles()
{
    // styles
    wp_enqueue_style('parent-style', PARENT_URI . '/style.css');
    wp_enqueue_style('child-style', CHILD_URI . '/css/style.css');
    //scripts
    wp_enqueue_script('jquery');
    wp_enqueue_script('flexslider', CHILD_URI . '/js/flexslider-min.js', 'jquery', 2.1);
    wp_enqueue_script('scripts', CHILD_URI . '/js/script.js', '', '');
    $var_pna = array();
    $var_pna['signup_url'] = wp_registration_url();
    $var_pna['login_url'] = wp_login_url(get_permalink());
    wp_localize_script('scripts', 'pna', $var_pna);
}

 public static function ensure_user_accepted_terms()
 {
     if (isset($_COOKIE['user-accepted-terms'])) {
         return;
     } elseif (isset($_POST) && isset($_POST['terms-acceptance'])) {
         setcookie('user-accepted-terms', 'yes', time() + 3600 * 24 * 10, COOKIEPATH, COOKIE_DOMAIN, false);
         wp_redirect(wp_registration_url());
         exit;
     } else {
         KeyshotShopifyMultipassLoginPage::load_login_head();
         KeyshotShopifyMultipass::view('terms', array());
         exit;
     }
 }

 /**
  * (non-PHPdoc)
  *
  * @see \Widgets\WidgetBase::widget()
  */
 public function widget($args, $instance)
 {
     /*
      * Put all special URLs
      */
     $instance['logoutUrl'] = wp_logout_url(home_url());
     $instance['loginUrl'] = wp_login_url(home_url());
     $instance['registrationUrl'] = wp_registration_url();
     $instance['lostPasswordUrl'] = wp_lostpassword_url();
     $instance['postsUrl'] = '/wp-admin/edit.php';
     /*
      * And call the widget func from the parent class WidgetBase.
      */
     parent::widget($args, $instance);
 }

 function klarna_checkout_page($atts)
 {
     $atts = shortcode_atts(array('col' => ''), $atts);
     $widget_class = '';
     if ('left' == $atts['col']) {
         $widget_class .= ' kco-left-col';
     } elseif ('right' == $atts['col']) {
         $widget_class .= ' kco-right-col';
     }
     $checkout = WC()->checkout();
     if (!$checkout->enable_guest_checkout && !is_user_logged_in()) {
         echo apply_filters('klarna_checkout_must_be_logged_in_message', sprintf(__('You must be logged in to checkout. %s or %s.', 'woocommerce'), '<a href="' . wp_login_url() . '" title="Login">Login</a>', '<a href="' . wp_registration_url() . '" title="Create an account">create an account</a>'));
     } else {
         $data = new WC_Gateway_Klarna_Checkout();
         return '<div class="klarna_checkout ' . $widget_class . '">' . $data->get_klarna_checkout_page() . '</div>';
     }
 }

    /**
     * Login form shortcode
     * @param  array  $atts    [description]
     * @param  string $content [description]
     * @return string          [description]
     */
    function gears_login($atts, $content)
    {
        $args = array('echo' => false);
        ob_start();
        ?>
		<?php 
        if (!is_user_logged_in()) {
            ?>
		<div class="gears-login-wrap">
			<div class="gears-login-links">
				<ul>
					<li class="current">
						<?php 
            _e('Sign in', 'gears');
            ?>
					</li>
					<li>
						<a href="<?php 
            echo wp_registration_url();
            ?>
" title="<?php 
            _e('Create New Account', 'gears');
            ?>
">
							<?php 
            _e('Create New Account', 'gears');
            ?>
						</a>
					</li>
				</ul>
			</div>
			<div class="gears-login well">
				<?php 
            echo wp_login_form($args);
            ?>
			</div>
		</div>
		<?php 
        }
        ?>
		<?php 
        $output = ob_get_clean();
        return $output;
    }

 static function check_access($exam, $post)
 {
     WatuPRO::$output_sent = false;
     // change this var from class method to avoid outputting the generic message
     if (!WatuPRO::can_access($exam)) {
         // not logged in error
         if (!is_user_logged_in()) {
             echo "<p><b>" . sprintf(__('You need to be registered and logged in to take this %s.', 'watupro'), __('quiz', 'watupro')) . " <a href='" . wp_login_url(get_permalink($post->ID)) . "'>" . __('Log in', 'watupro') . "</a>";
             if (get_option("users_can_register")) {
                 echo " " . __('or', 'watupro') . " <a href='" . wp_registration_url() . "'>" . __('Register', 'watupro') . "</a></b>";
             }
             echo "</p>";
         } else {
             // logged in but no rights to access
             if (!WatuPRO::$output_sent) {
                 echo "<p>" . __('You are not allowed to access this exam at the moment.', 'watupro') . "</p><!-- logged in but no rights to access-->";
             }
         }
         return false;
         // can_access returned false
     }
     return true;
 }

		<input type="hidden" name="customize-login" value="1" />
<?php 
        }
        ?>
		<input type="hidden" name="testcookie" value="1" />
	</p>
</form>

<?php 
        if (!$interim_login) {
            ?>
<p id="nav">
<?php 
            if (!isset($_GET['checkemail']) || !in_array($_GET['checkemail'], array('confirm', 'newpass'))) {
                if (get_option('users_can_register')) {
                    $registration_url = sprintf('<a href="%s">%s</a>', esc_url(wp_registration_url()), __('Register'));
                    /** This filter is documented in wp-includes/general-template.php */
                    echo apply_filters('register', $registration_url) . ' | ';
                }
                ?>
	<a href="<?php 
                echo esc_url(wp_lostpassword_url());
                ?>
"><?php 
                _e('Lost your password?');
                ?>
</a>
<?php 
            }
            ?>
</p>