public static function meta_content()
 {
     $class_name = get_called_class();
     global $post;
     wp_nonce_field(plugin_basename(__FILE__), $class_name . '_nonce');
     custom_fields::meta_content($post->ID, $class_name::$fields);
 }

function faqs_form()
{
    $post_id = get_the_ID();
    $faq_data = get_post_meta($post_id, '_faq', true);
    $faq_question = empty($faq_data['question']) ? '' : $faq_data['question'];
    $faq_answer = empty($faq_data['answer']) ? '' : $faq_data['answer'];
    wp_nonce_field('faqs', 'faqs');
    ?>
    <p>
        <label>Question (No optional)</label><br />
        <input type="text" value="<?php 
    echo $faq_question;
    ?>
" name="faq_data['question'] " size="120" />
    </p>
    <p>
        <label>Answer (No optional)</label><br />

        <textarea name="faq_data['answer']" cols="120" rows="6" ><?php 
    echo $faq_answer;
    ?>
</textarea>
    </p>

    <?php 
}

 function metabox_html($post)
 {
     wp_nonce_field(basename(__FILE__), $this->div_id . '_nonce');
     $meta_id = $this->meta_id;
     $meta_data = get_post_meta($post->ID, $meta_id, true);
     $post_id = $post->ID;
     //print_r($meta_data);
     echo '<div class="tallybuilder_metabox ' . $this->div_id . ' tbmb_box">';
     $this->section_settings_html($meta_data, $post_id);
     if (is_array($this->rows)) {
         $row_i = 1;
         foreach ($this->rows as $row) {
             echo '<div class="tbmb_row tbmb_row_' . $row_i . '">';
             $this->row_settings_html($meta_data, $post_id, $row, $row_i);
             if (is_array($row['columns'])) {
                 echo '<div class="clear clearfix"></div>';
                 $column_i = 1;
                 foreach ($row['columns'] as $column) {
                     $this->column_html($meta_data, $post_id, $row, $row_i, $column, $column_i);
                     $column_i++;
                 }
                 echo '<div class="clear clearfix"></div>';
             }
             echo '</div>';
             $row_i++;
         }
     }
     echo '</div>';
 }

/**
 * woothemes_metabox_create function.
 *
 * @access public
 * @param object $post
 * @param array $callback
 * @return void
 */
function woothemes_metabox_create($post, $callback)
{
    global $post;
    // Allow child themes/plugins to act here.
    do_action('woothemes_metabox_create', $post, $callback);
    $seo_post_types = array('post', 'page');
    if (defined('SEOPOSTTYPES')) {
        $seo_post_types_update = unserialize(constant('SEOPOSTTYPES'));
    }
    if (!empty($seo_post_types_update)) {
        $seo_post_types = $seo_post_types_update;
    }
    $template_to_show = $callback['args'];
    $woo_metaboxes = get_option('woo_custom_template', array());
    $seo_metaboxes = get_option('woo_custom_seo_template', array());
    if (empty($seo_metaboxes) && $template_to_show == 'seo') {
        return;
    }
    // Array sanity check.
    if (!is_array($woo_metaboxes)) {
        $woo_metaboxes = array();
    }
    // Determine whether or not to display general fields.
    $display_general_fields = true;
    if (count($woo_metaboxes) <= 0) {
        $display_general_fields = false;
    }
    // Determine whether or not to display SEO fields.
    $display_seo_fields = true;
    if (get_option('seo_woo_hide_fields') == 'true' || get_option('seo_woo_use_third_party_data') == 'true') {
        $display_seo_fields = false;
    }
    $output = '';
    // Add nonce for custom fields.
    $output .= wp_nonce_field('wooframework-custom-fields', 'wooframework-custom-fields-nonce', true, false);
    if ($callback['id'] == 'woothemes-settings') {
        // Add tabs.
        $output .= '<div class="wooframework-tabs">' . "\n";
        $output .= '<ul class="tabber hide-if-no-js">' . "\n";
        if ($display_general_fields) {
            $output .= '<li class="wf-tab-general"><a href="#wf-tab-general">' . __('General Settings', 'woothemes') . '</a></li>' . "\n";
        }
        if ($display_seo_fields) {
            $output .= '<li class="wf-tab-seo"><a href="#wf-tab-seo">' . __('SEO', 'woothemes') . '</a></li>' . "\n";
        }
        // Allow themes/plugins to add tabs to WooFramework custom fields.
        $output .= apply_filters('wooframework_custom_field_tab_headings', '');
        $output .= '</ul>' . "\n";
    }
    if ($display_general_fields) {
        $output .= woothemes_metabox_create_fields($woo_metaboxes, $callback, 'general');
    }
    if ($display_seo_fields && array_search(get_post_type(), $seo_post_types) !== false) {
        $output .= woothemes_metabox_create_fields($seo_metaboxes, $callback, 'seo');
    }
    // Allow themes/plugins to add tabs to WooFramework custom fields.
    $output = apply_filters('wooframework_custom_field_tab_content', $output);
    $output .= '</div>' . "\n";
    echo $output;
}

 function meta_box_wp_schema($post)
 {
     global $KcSeoWPSchema;
     wp_nonce_field($KcSeoWPSchema->nonceText(), '_kcseo_nonce');
     $schemas = new KcSeoSchemaModel();
     $html = null;
     $html .= "<div class='schema-tips'>";
     $html .= "<p><span>Tip:</span> For more detailed information on how to configure this plugin, please visit: <a href='http://kcseopro.com/wordpress-seo-structured-data-schema-plugin/'>http://kcseopro.com/wordpress-seo-structured-data-schema-plugin/</a></p>";
     $html .= "<p><span>Tip:</span> Once you save these structured data schema settings, validate this page url here: <a href='https://developers.google.com/structured-data/testing-tool/'>https://developers.google.com/structured-data/testing-tool/</a></p>";
     $html .= "</div>";
     $html .= "<div class='schema-holder'>";
     $html .= '<div id="tabs-kcseo-container">';
     $htmlMenu = null;
     $htmlCont = null;
     $htmlMenu .= "<ul class='tabs-menu'>";
     foreach ($schemas->schemaTypes() as $schemaID => $schema) {
         $tabId = $KcSeoWPSchema->KcSeoPrefix . $schemaID;
         $htmlMenu .= '<li><a href="#' . $tabId . '">' . $schema['title'] . '</a></li>';
         $htmlCont .= "<div id='{$tabId}'>";
         foreach ($schema['fields'] as $fieldId => $data) {
             $data['schemaId'] = $schemaID;
             $htmlCont .= $schemas->get_field($fieldId, $data, $post->ID);
         }
         $htmlCont .= "</div>";
     }
     $htmlMenu .= "</ul>";
     $html .= $htmlMenu . $htmlCont;
     $html .= "</div>";
     echo $html;
 }

function wp_supercache_awaitingmoderation_admin()
{
    global $cache_awaitingmoderation, $wp_cache_config_file, $valid_nonce;
    $cache_awaitingmoderation = $cache_awaitingmoderation == '' ? '0' : $cache_awaitingmoderation;
    if (isset($_POST['cache_awaitingmoderation']) && $valid_nonce) {
        $cache_awaitingmoderation = (int) $_POST['cache_awaitingmoderation'];
        wp_cache_replace_line('^ *\\$cache_awaitingmoderation', "\$cache_awaitingmoderation = '{$cache_awaitingmoderation}';", $wp_cache_config_file);
        $changed = true;
    } else {
        $changed = false;
    }
    $id = 'awaitingmoderation-section';
    ?>
		<fieldset id="<?php 
    echo $id;
    ?>
" class="options"> 
		<h4><?php 
    _e('Awaiting Moderation', 'wp-super-cache');
    ?>
</h4>
		<form name="wp_manager" action="" method="post">
		<label><input type="radio" name="cache_awaitingmoderation" value="1" <?php 
    if ($cache_awaitingmoderation) {
        echo 'checked="checked" ';
    }
    ?>
/> <?php 
    _e('Enabled', 'wp-super-cache');
    ?>
</label>
		<label><input type="radio" name="cache_awaitingmoderation" value="0" <?php 
    if (!$cache_awaitingmoderation) {
        echo 'checked="checked" ';
    }
    ?>
/> <?php 
    _e('Disabled', 'wp-super-cache');
    ?>
</label>
		<p><?php 
    _e('Enables or disables plugin to Remove the text "Your comment is awaiting moderation." when someone leaves a moderated comment.', 'wp-super-cache');
    ?>
</p>
		<?php 
    if ($changed) {
        if ($cache_awaitingmoderation) {
            $status = __("enabled");
        } else {
            $status = __("disabled");
        }
        echo "<p><strong>" . sprintf(__("Awaiting Moderation is now %s", 'wp-super-cache'), $status) . "</strong></p>";
    }
    echo '<div class="submit"><input ' . SUBMITDISABLED . 'type="submit" value="' . __('Update', 'wp-super-cache') . '" /></div>';
    wp_nonce_field('wp-cache');
    ?>
	</form>
	</fieldset>
	<?php 
}

/**
 * Adds the subscription level dropdown to the member directory edit screen.
 */
function jp_um_admin_extend_directory_options_general($this)
{
    $post_id = get_the_ID();
    $saved_level = get_post_meta($post_id, 'um_rcp_subscription_level', true);
    $saved_level = !empty($saved_level) ? absint($saved_level) : 'none';
    ?>
	<p>
		<label class="um-admin-half">RCP Members to Display</label>
		<span class="um-admin-half">

			<select name="um_rcp_subscription_level" id="um_rcp_subscription_level" class="umaf-selectjs um-adm-conditional" style="width: 300px" data-cond1='other' data-cond1-show='custom-field'>
				<option value="none" <?php 
    selected('none', $saved_level);
    ?>
>None</option>
				<?php 
    foreach (rcp_get_subscription_levels() as $key => $level) {
        echo '<option value="' . $level->id . '" ' . selected($level->id, $saved_level) . '>' . $level->name . '</option>';
    }
    ?>
			</select>

		</span>
	</p><div class="um-admin-clear"></div>
	<?php 
    wp_nonce_field('um_rcp_subscription_level_nonce', 'um_rcp_subscription_level_nonce');
}

    public function summary_widget()
    {
        $screen = get_current_screen();
        if ($screen->base == 'dashboard') {
            ?>
			<!-- New Wrap with custom welcome screen-->
			<div class="wrap mjp-dashboard">
				<div id="welcome-panel_custom" class="welcome-panel">

					<?php 
            wp_nonce_field('welcome-panel-nonce', 'welcomepanelnonce', false);
            ?>
					<?php 
            //do_action( 'welcome_panel' );
            ?>
					<div class="mjp-welcome-content">
						<div class="welcome-panel-column-container">
							<div class="welcom-panel-container">

							</div>
						</div>

					</div>
				</div>
			</div><!-- wrap -->
			<?php 
        }
    }

 function render_year_metabox($post)
 {
     wp_nonce_field('portfolio_meta_box', 'portfolio_meta_box_nonce');
     $value = get_post_meta($post->ID, 'publishing_year', true);
     echo '<label for="publishing_year">Publishing year</label> ';
     echo '<input type="text" id="publishing_year" name="publishing_year" value="' . esc_attr($value) . '" size="25" />';
 }

    /**
     * Get a vote link to something.
     *
     * @param int $id Object id
     * @param string $vote_type Type of vote: 'up' or 'down'
     * @param string $vote_type Current vote, if any
     * @param string $link_text The content of the link
     * @return string
     */
    function get_link($id, $vote_type, $current_vote, $link_text)
    {
        $voted = $vote_type == $current_vote;
        if (!$voted) {
            $vote = $vote_type;
        } else {
            $vote = 'undo';
        }
        $data = array('action' => 'qa_vote', 'post_id' => $id, 'vote_type' => $vote);
        $input_attr = array('type' => 'submit', 'title' => $link_text, 'class' => "vote-{$vote_type}-" . ($voted ? 'on' : 'off'));
        if (!is_user_logged_in()) {
            $input_attr['data-msg'] = 'login';
        } elseif (get_post_field('post_author', $id) == get_current_user_id()) {
            $input_attr['data-msg'] = 'own';
        }
        ob_start();
        ?>
<form method="post" action="">
	<?php 
        wp_nonce_field('qa_vote');
        ?>

	<?php 
        foreach ($data as $key => $value) {
            echo _qa_html('input', array('type' => 'hidden', 'name' => $key, 'value' => $value));
        }
        ?>

	<?php 
        echo _qa_html('input', $input_attr);
        ?>
</form>
<?php 
        return ob_get_clean();
    }

 /**
  * Callback: show the metabox content
  *
  * @param $post
  */
 public function add_metabox_content($post)
 {
     wp_nonce_field('apg_metabox_nonce', 'apg_metabox_nonce');
     $viewer = new Viewer();
     $photos = $viewer->get_photos($post->ID);
     if (count($photos) >= 1) {
         $photo_hidden = array();
         echo '<div style="width: 95%; padding: 0;">';
         echo '<ul id="apg-sortable" class="apg-sortable">';
         foreach ($photos as $photo) {
             if (empty($photo['ID'])) {
                 continue;
             }
             echo '<li id="apg-photo-' . esc_attr($photo['ID']) . '" data-apgid="' . esc_attr($photo['ID']) . '" style="float: left;width: 80px; height: 80px; display: block; position:relative; border: 1px solid #e5e5e5; background-color: #fff; cursor: move; padding: 0; margin-right: 10px; margin-bottom: 10px;">';
             echo '<p style="padding: 3px; margin: 0; display: block;">';
             echo wp_get_attachment_image($photo['ID'], 'apg-thumbnail-75-75');
             echo '</p>';
             echo '<div class="apg-delete-photo" data-apgid="' . esc_attr($photo['ID']) . '" style="cursor: pointer;display:block;position:absolute;top:-5px;margin-left: 67px;width: 16px;height:16px;border-radius:10px;padding:0;padding-top:-4px;border: 2px solid #ccc;font-size: 7px;background-color:#333;color:#fff;text-align:center;">X</div>';
             echo '</li>';
             $photo_hidden[] = $photo['ID'];
         }
         echo '</ul></div><div style="clear: both;"></div>';
         echo '<input type="hidden" name="apg_photo_order" id="apg_photo_order" value="' . implode(',', $photo_hidden) . '" />';
         echo '<p><i>' . __('If you want to upload new photos to this album, please use the "Upload photo(s)" menu item on the left.', 'apg') . '</i></p>';
     } else {
         echo '<p><strong>' . __('No photos where uploaded, yet. Please use the submenu item "Upload photo(s)" in the menu to upload new photos, or use the button below.', 'apg') . '</strong></p>';
     }
     echo '<p>' . __('You can add or upload new photo\'s into this album on the upload page.', 'apg') . ' <a href="' . admin_url('edit.php?post_type=apg_photo_albums&page=apg_upload') . '" class="button">' . __('Add new Photo\'s', 'apg') . '</a></p>';
 }

    /**
     * Output the meta box markup.
     *
     * @since 3.0.0
     *
     * @param \WP_Post $post
     */
    public static function html($post)
    {
        // @see Meta_Boxes::save_meta_boxes()
        wp_nonce_field('simcal_save_data', 'simcal_meta_nonce');
        ?>
		<div class="simcal-panels-wrap">

			<span class="simcal-box-handle">
				<?php 
        self::settings_handle($post);
        ?>
			</span>

			<ul class="simcal-tabs">
				<?php 
        self::settings_tabs($post);
        ?>
				<?php 
        do_action('simcal_settings_meta_tabs');
        ?>
			</ul>

			<div class="simcal-panels">
				<div id="events-settings-panel" class="simcal-panel">
					<?php 
        self::events_settings_panel($post);
        ?>
					<?php 
        do_action('simcal_settings_meta_events_panel', $post->ID);
        ?>
				</div>
				<div id="calendar-settings-panel" class="simcal-panel">
					<?php 
        do_action('simcal_settings_meta_calendar_panel', $post->ID);
        ?>
					<?php 
        self::calendar_settings_panel($post);
        ?>
				</div>
				<?php 
        // Hook for additional settings panels.
        do_action('simcal_settings_meta_panels', $post->ID);
        // Thus advanced panel is always the last one:
        ?>
				<div id="advanced-settings-panel" class="simcal-panel">
					<?php 
        self::advanced_settings_panel($post);
        ?>
					<?php 
        do_action('simcal_settings_meta_advanced_panel', $post->ID);
        ?>
				</div>
			</div>

			<div class="clear">
			</div>

		</div>
		<?php 
    }

function smittenkitchen_comment_meta_box($comment)
{
    $sk_madethis = get_comment_meta($comment->comment_ID, 'sk_madethis', true);
    $sk_question = get_comment_meta($comment->comment_ID, 'sk_question', true);
    wp_nonce_field('sk_comment_update', 'sk_comment_update', false);
    ?>

    <p>
        <label for="sk_madethis"><?php 
    _e('I Made This');
    ?>
</label>
        <input type="checkbox" name="sk_madethis" <?php 
    if ($sk_madethis) {
        echo 'checked="checked"';
    }
    ?>
 />
    </p>
    <p>
        <label for="sk_question"><?php 
    _e('I Have a Question');
    ?>
</label>
        <input type="checkbox" name="sk_question" <?php 
    if ($sk_question) {
        echo 'checked="checked"';
    }
    ?>
 />
    </p>
    <?php 
}

 function mh_post_options()
 {
     global $post;
     wp_nonce_field('mh_meta_box_nonce', 'meta_box_nonce');
     echo '<p>';
     echo '<label for="mh-subheading">' . __("Subheading (will be displayed below post title)", 'mh') . '</label>';
     echo '<br />';
     echo '<input class="widefat" type="text" name="mh-subheading" id="mh-subheading" placeholder="Enter subheading" value="' . esc_attr(get_post_meta($post->ID, 'mh-subheading', true)) . '" size="30" />';
     echo '</p>';
     echo '<p>';
     echo '<label for="mh-alt-ad">' . __("Alternative ad code (this will overwrite the global content ad code)", 'mh') . '</label>';
     echo '<br />';
     echo '<textarea name="mh-alt-ad" id="mh-alt-ad" cols="60" rows="3" placeholder="Enter alternative ad code for this post">' . get_post_meta($post->ID, 'mh-alt-ad', true) . '</textarea>';
     echo '<br />';
     echo '</p>';
     echo '<p>';
     echo '<input type="checkbox" id="mh-no-ad" name="mh-no-ad"';
     echo checked(get_post_meta($post->ID, 'mh-no-ad', true), 'on');
     echo '/>';
     echo '<label for="mh-no-ad">' . __(' Disable content ad for this post', 'mh') . '</label>';
     echo '</p>';
     echo '<p>';
     echo '<input type="checkbox" id="mh-no-image" name="mh-no-image"';
     echo checked(get_post_meta($post->ID, 'mh-no-image', true), 'on');
     echo '/>';
     echo '<label for="mh-no-image">' . __(' Disable featured image for this post', 'mh') . '</label>';
     echo '</p>';
 }

/**
 * Callback function that show the context of meta box
 *
 * @param $news
 */
function news_meta_box_showup($news)
{
    $news_status = get_post_meta($news->ID, 'news_status', true);
    $news_price = get_post_meta($news->ID, 'news_price', true);
    //nonce for security
    wp_nonce_field(plugin_basename(__FILE__), 'save_news_meta_box');
    ?>

    <div class="news_meta_box">

        <div class="news_meta_box_status">
            <label for="status_for_news">Satus: </label>
            <select id="status_for_news" name="status_for_plugin" required>
                <option selected disabled>Select status</option>
                <option value="featured">Featured</option>
                <option value="archive">Archive</option>
            </select>
        </div>

        <div class="news_meta_box_price">
            <label for="price_for_news">Price: </label>
            <input id="price_for_news" name="price_for_plugin" required type="text"
                   pattern="(0\.((0[1-9]{1})|([1-9]{1}([0-9]{1})?)))|(([1-9]+[0-9]*)(\.([0-9]{1,2}))?)" />
        </div>

    </div>

<?php 
}

 function page_metabox_ui($post)
 {
     global $md_metabox;
     wp_nonce_field(plugin_basename(__FILE__), 'nonce_page_metabox');
     $form_helper = new FORM_HELPER($post->ID, $md_metabox);
     $form_helper->metabox_init();
 }

function hupso_inner_custom_box($post)
{
    // Use nonce for verification
    wp_nonce_field(plugin_basename(__FILE__), 'hupso_noncename');
    // The actual fields for data entry
    // Use get_post_meta to retrieve an existing value from the database and use the value for the form
    $value = get_post_meta($post->ID, 'hupso-share-buttons', true);
    $checked = ' checked="checked" ';
    $def = '';
    $ena = '';
    $dis = '';
    switch ($value) {
        case '':
            $def = $checked;
            break;
        case 'enabled':
            $ena = $checked;
            break;
        case 'disabled':
            $dis = $checked;
            break;
        default:
            $def = $checked;
    }
    echo '<input type="radio" name="hupso-share-buttons" value="default" ' . $def . '> ' . __('Default', 'hupso') . ' (<a href="options-general.php?page=hupso-share-buttons-for-twitter-facebook-google/share-buttons-hupso.php">' . __('Settings', 'hupso') . '</a>)<br>';
    echo '<input type="radio" name="hupso-share-buttons" value="enabled" ' . $ena . '> ' . __('Enabled', 'hupso') . '<br>';
    echo '<input type="radio" name="hupso-share-buttons" value="disabled" ' . $dis . '> ' . __('Disabled', 'hupso') . '<br>';
}

 /**
  * Send an e-mail to the admin and another to the user if form passes
  * validation.
  */
 public function add_ics_feed_frontend()
 {
     global $wpdb, $ai1ec_settings;
     $table_name = $wpdb->prefix . 'ai1ec_event_feeds';
     $check = $this->validate_form();
     $check['nonce'] = wp_nonce_field('ai1ec_submit_ics_form', AI1EC_POST_TYPE, true, false);
     if (true === $check['success']) {
         // Strip slashes if ridiculous PHP setting magic_quotes_gpc is enabled.
         if (get_magic_quotes_gpc()) {
             foreach ($_POST as &$param) {
                 $param = stripslashes($param);
             }
         }
         // Send admin e-mail.
         $admin_email = get_option('admin_email');
         $admin_mail_subject = $this->parse_mail($ai1ec_settings->admin_mail_subject);
         $admin_mail_body = $this->parse_mail($ai1ec_settings->admin_mail_body);
         wp_mail($admin_email, $admin_mail_subject, $admin_mail_body);
         // Send user e-mail.
         $user_email = $_POST['ai1ec_submitter_email'];
         $user_mail_subject = $this->parse_mail($ai1ec_settings->user_mail_subject);
         $user_mail_body = $this->parse_mail($ai1ec_settings->user_mail_body);
         wp_mail($user_email, $user_mail_subject, $user_mail_body);
     }
     echo json_encode($check);
     exit;
 }

function wp_sms_subscribe_post($post)
{
    $values = get_post_custom($post->ID);
    $selected = isset($values['subscribe_post']) ? esc_attr($values['subscribe_post'][0]) : '';
    wp_nonce_field('subscribe_box_nonce', 'meta_box_nonce');
    include_once dirname(__FILE__) . "/includes/templates/wp-meta-box.php";
}

        /**
         * Get field HTML
         *
         * @param string $html
         * @param mixed  $meta
         * @param array  $field
         *
         * @return string
         */
        static function html($html, $meta, $field)
        {
            $i18n_delete = _x('Delete', 'file upload', 'bootstrap');
            $i18n_title = _x('Upload files', 'file upload', 'bootstrap');
            $i18n_more = _x('+ Add new file', 'file upload', 'bootstrap');
            $html = wp_nonce_field("rwmb-delete-file_{$field['id']}", "nonce-delete-file_{$field['id']}", false, false);
            $html .= "<input type='hidden' class='field-id' value='{$field['id']}' />";
            // Uploaded files
            if (!empty($meta)) {
                $html .= '<ol class="rwmb-uploaded">';
                $li = '<li>%s (<a title="%s" class="rwmb-delete-file" href="#" rel="%s">%s</a>)</li>';
                foreach ($meta as $attachment_id) {
                    $attachment = wp_get_attachment_link($attachment_id);
                    $html .= sprintf($li, $attachment, $i18n_delete, $attachment_id, $i18n_delete);
                }
                $html .= '</ol>';
            }
            // Show form upload
            $html .= sprintf('<h4>%s</h4>
				<div class="new-files">
					<div class="file-input"><input type="file" name="%s[]" /></div>
					<a class="rwmb-add-file" href="#"><strong>%s</strong></a>
				</div>', $i18n_title, $field['id'], $i18n_more);
            return $html;
        }