static function create_from_index_indice($index_indice)
 {
     // Build Solarium config from the default indexing Solr index
     WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_INDEXES, true);
     $options_indexes = new OptionIndexes();
     $solarium_config = $options_indexes->build_solarium_config($index_indice, null, self::DEFAULT_SOLR_TIMEOUT_IN_SECOND);
     return new self($solarium_config);
 }
 public function __construct($solr_index_indice = null, $language_code = null)
 {
     // Load active extensions
     $this->wpsolr_extensions = new WpSolrExtensions();
     $path = plugin_dir_path(__FILE__) . '../../vendor/autoload.php';
     require_once $path;
     // Load options
     $this->solr_indexing_options = get_option('wdm_solr_form_data');
     // Build Solarium config from the default indexing Solr index
     WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_INDEXES, true);
     $options_indexes = new OptionIndexes();
     $config = $options_indexes->build_solarium_config($solr_index_indice, $language_code, self::DEFAULT_SOLR_TIMEOUT_IN_SECOND);
     $this->index_indice = $solr_index_indice;
     $this->solarium_client = new Solarium\Client($config);
 }
<?php

/**
 * Included file to display admin options
 */
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_LICENSES, true);
// Options name
$option_name = OptionLicenses::get_option_name(WpSolrExtensions::OPTION_LICENSES);
// Options object
$license_manager = new OptionLicenses();
?>

	<script>
		jQuery(document).on("click", "#<?php 
echo OptionLicenses::AJAX_VERIFY_LICENCE;
?>
, #<?php 
echo OptionLicenses::AJAX_ACTIVATE_LICENCE;
?>
, #<?php 
echo OptionLicenses::AJAX_DEACTIVATE_LICENCE;
?>
", function (e) {

			// Remember this for ajax
			var current = this;

			// Show progress
			var button_clicked = jQuery(this);
			var button_form = button_clicked.parents('.wpsolr_form_license');
			var buttonText = button_clicked.val(); // Remmember button text
<?php

/**
 * Included file to display admin options
 */
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_TYPES, true);
$extension_options_name = 'wdm_solr_extension_types_data';
$settings_fields_name = 'solr_extension_types_options';
$options = get_option($extension_options_name, array('is_extension_active' => '0'));
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_TYPES);
$plugin_name = "Types";
$plugin_link = "https://wordpress.org/plugins/types/";
$plugin_version = "(>=  1.8.10)";
if ($is_plugin_active) {
    $ml_plugin = PluginTypes::create();
}
?>

<div id="extension_groups-options" class="wdm-vertical-tabs-content">
	<form action="options.php" method="POST" id='extension_groups_settings_form'>
		<?php 
settings_fields('solr_extension_types_options');
$extension_options = get_option($extension_options_name, array('is_extension_active' => '0'));
?>

		<div class='wrapper'>
			<h4 class='head_div'><?php 
echo $plugin_name;
?>
 plugin Options</h4>
         */
        $is_submit_form_logout = isset($_POST['submit-form-logout']);
        if ($is_submit_form_logout) {
            // Clear the managed service token
            $managed_solr_server->set_service_option('token', '');
        }
        /*
         *  Form signin ?
         */
        $is_submit_form_signin = isset($_POST['submit-form-signin']);
        $form_data = WpSolrExtensions::extract_form_data($is_submit_form_signin, array('email' => array('default_value' => wp_get_current_user()->user_email, 'is_email' => true), 'password' => array('default_value' => '', 'can_be_empty' => false)));
        if ($is_submit_form_signin) {
            if (!$form_data['is_error']) {
                $result_object = $managed_solr_server->call_rest_signin($form_data['email']['value'], $form_data['password']['value']);
                if (OptionManagedSolrServer::is_response_ok($result_object)) {
                    $token = OptionManagedSolrServer::get_response_result($result_object, 'token');
                    $managed_solr_server->set_service_option('token', $token);
                }
            }
        }
        // Display a signin form
        if ('' != $managed_solr_server->get_service_option('token')) {
            WpSolrExtensions::require_with(WpSolrExtensions::get_option_template_file(WpSolrExtensions::OPTION_MANAGED_SOLR_SERVERS, 'template-my-accounts.php'), array('form_data' => $form_data, 'managed_solr_server' => $managed_solr_server, 'option_name' => $option_name));
        } else {
            WpSolrExtensions::require_with(WpSolrExtensions::get_option_template_file(WpSolrExtensions::OPTION_MANAGED_SOLR_SERVERS, 'template-signin-form.php'), array('form_data' => $form_data, 'managed_solr_server' => $managed_solr_server, 'option_name' => $option_name));
        }
        break;
}
?>

<?php

// Load WPML class for inheritance
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_WPML, true);
/**
 * Class PluginPolylang
 *
 * Manage Polylang plugin
 * @link https://polylang.wordpress.com/documentation/
 */
class PluginPolylang extends PluginWpml
{
    const _PLUGIN_NAME_IN_MESSAGES = 'Polylang';
    /*
     * Polylang database constants
     */
    const TABLE_TERM_RELATION_SHIPS = "term_relationships";
    // Polylang options
    const _OPTIONS_NAME = 'wdm_solr_extension_polylang_data';
    /**
     * Factory
     *
     * @return PluginWpml
     */
    static function create()
    {
        return new self();
    }
    /*
     * Constructor
     * Subscribe to actions
<?php

/**
 * Included file to display admin options
 */
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_S2MEMBER, true);
PluginS2Member::update_custom_field_capabilities(PluginS2Member::CUSTOM_FIELD_NAME_STORING_POST_CAPABILITIES);
$extension_options_name = 'wdm_solr_extension_s2member_data';
$settings_fields_name = 'solr_extension_s2member_options';
$array_extension_options = get_option($extension_options_name);
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_S2MEMBER);
$is_plugin_custom_field_for_indexing = PluginS2Member::get_custom_field_capabilities(PluginS2Member::CUSTOM_FIELD_NAME_STORING_POST_CAPABILITIES);
$custom_field_for_indexing_name = PluginS2Member::CUSTOM_FIELD_NAME_STORING_POST_CAPABILITIES;
$plugin_name = "s2member";
?>

<div id="extension_s2member-options" class="wdm-vertical-tabs-content">
	<form action="options.php" method="POST" id='extension_s2member_settings_form'>
		<?php 
settings_fields($settings_fields_name);
$solr_extension_s2member_options = get_option($extension_options_name, array('is_extension_active' => '0', 'is_users_without_capabilities_see_all_results' => '0', 'is_result_without_capabilities_seen_by_all_users' => '0', 'message_user_without_capabilities_shown_no_results' => '', 'message_result_capability_matches_user_group' => ''));
?>

		<div class='wrapper'>
			<h4 class='head_div'>s2Member plugin Options</h4>

			<div class="wdm_note">

				In this section, you will configure how to restrict Solr search with levels
				and capabilities.<br/>
<?php

/**
 * Included file to display admin options
 */
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_QTRANSLATEX, true);
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_INDEXES, true);
$extension_options_name = 'wdm_solr_extension_qtranslatex_data';
$settings_fields_name = 'solr_extension_qtranslatex_options';
$options = get_option($extension_options_name, array('is_extension_active' => '0'));
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_QTRANSLATEX);
$plugin_name = "qTranslate X";
$plugin_link = "https://wordpress.org/plugins/qtranslate-x/";
$plugin_version = "";
if ($is_plugin_active) {
    $ml_plugin = PluginQTranslateX::create();
}
?>

<?php 
include_once WpSolrExtensions::get_option_file(WpSolrExtensions::EXTENSION_WPML, 'template.inc.php');
<?php

/**
 * Included file to display admin options
 */
global $license_manager;
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_WOOCOMMERCE, true);
$extension_options_name = 'wdm_solr_extension_woocommerce_data';
$settings_fields_name = 'solr_extension_woocommerce_options';
$options = get_option($extension_options_name, array('is_extension_active' => '0'));
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_WOOCOMMERCE);
$plugin_name = "WooCommerce";
$plugin_link = "https://wordpress.org/plugins/woocommerce/";
$plugin_version = "(>= 2.4.10)";
if ($is_plugin_active) {
    $ml_plugin = PluginWooCommerce::create();
}
?>

<div id="extension_groups-options" class="wdm-vertical-tabs-content">
	<form action="options.php" method="POST" id='extension_groups_settings_form'>
		<?php 
settings_fields('solr_extension_woocommerce_options');
$extension_options = get_option($extension_options_name, array('is_extension_active' => '0'));
?>

		<div class='wrapper'>
			<h4 class='head_div'><?php 
echo $plugin_name;
?>
 plugin Options</h4>
<?php

/**
 * Included file to display admin options
 */
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_WPML, true);
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_INDEXES, true);
$extension_options_name = 'wdm_solr_extension_wpml_data';
$settings_fields_name = 'solr_extension_wpml_options';
$options = get_option($extension_options_name, array('is_extension_active' => '0'));
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_WPML);
$plugin_name = "WPML";
$plugin_link = "https://wpml.org/";
$plugin_version = "(WPML Multilingual CMS > 3.1.6)";
$ml_plugin = PluginWpml::create();
?>

<?php 
include_once 'template.inc.php';
<?php

/**
 * Included file to display admin options
 */
global $license_manager;
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_EMBED_ANY_DOCUMENT, true);
$extension_options_name = WPSOLR_Option::OPTION_EMBED_ANY_DOCUMENT;
$settings_fields_name = 'extension_embed_any_document_opt';
$options = get_option($extension_options_name, array('is_extension_active' => '0'));
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_EMBED_ANY_DOCUMENT);
$plugin_name = "Embed Any Document";
$plugin_link = "https://wordpress.org/plugins/embed-any-document/";
$plugin_version = "(>= 2.2.5)";
?>

<div id="extension_groups-options" class="wdm-vertical-tabs-content">
	<form action="options.php" method="POST" id='extension_groups_settings_form'>
		<?php 
settings_fields('extension_embed_any_document_opt');
$extension_options = get_option($extension_options_name, array('is_extension_active' => '0'));
?>

		<div class='wrapper'>
			<h4 class='head_div'><?php 
echo $plugin_name;
?>
 plugin Options</h4>

			<div class="wdm_note">
<?php

include dirname(__FILE__) . '/classes/solr/wpsolr-index-solr-client.php';
include dirname(__FILE__) . '/classes/solr/wpsolr-search-solr-client.php';
include dirname(__FILE__) . '/classes/ui/WPSOLR_Data_facets.php';
// Load localization class
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_LOCALIZATION, true);
WpSolrExtensions::load();
function solr_format_date($thedate)
{
    $datere = '/(\\d{4}-\\d{2}-\\d{2})\\s(\\d{2}:\\d{2}:\\d{2})/';
    $replstr = '${1}T${2}Z';
    return preg_replace($datere, $replstr, $thedate);
}
function fun_search_indexed_data()
{
    $ad_url = admin_url();
    // Retrieve search form page url
    $get_page_info = WPSolrSearchSolrClient::get_search_page();
    $url = get_permalink($get_page_info->ID);
    // Filter the search page url. Used for multi-language search forms.
    $url = apply_filters(WpSolrFilters::WPSOLR_FILTER_SEARCH_PAGE_URL, $url, $get_page_info->ID);
    // Load localization options
    $localization_options = OptionLocalization::get_options();
    $wdm_typehead_request_handler = 'wdm_return_solr_rows';
    echo "<div class='cls_search' style='width:100%'> <form action='{$url}' method='get'  class='search-frm' >";
    echo '<input type="hidden" value="' . $wdm_typehead_request_handler . '" id="path_to_fold">';
    echo '<input type="hidden" value="' . $ad_url . '" id="path_to_admin">';
    echo '<input type="hidden" value="' . WPSOLR_Global::getQuery()->get_wpsolr_query() . '" id="search_opt">';
    $ajax_nonce = wp_create_nonce("nonce_for_autocomplete");
    echo $form = '
$subtabs['new_index'] = count($option_object->get_indexes()) > 0 ? $license_manager->show_premium_link(OptionLicenses::LICENSE_PACKAGE_CORE, 'Configure another index', false) : 'Configure your first index';
// Create subtabs on the left side
$subtab = wpsolr_admin_sub_tabs($subtabs);
?>

	<div id="solr-results-options" class="wdm-vertical-tabs-content">

		<?php 
$is_new_index = false;
if ('new_index' === $subtab) {
    $is_new_index = true;
    $subtab = $option_object->generate_uuid();
    $option_data['solr_indexes'][$subtab] = array();
    if (!$option_object->has_index_type_temporary()) {
        // No temporary index yet: display the form to create one.
        WpSolrExtensions::require_with(WpSolrExtensions::get_option_template_file(WpSolrExtensions::OPTION_MANAGED_SOLR_SERVERS, 'template-temporary-account-form.php'), array('managed_solr_service_id' => $form_data['managed_solr_service_id']['value'], 'response_error' => isset($response_object) && !OptionManagedSolrServer::is_response_ok($response_object) ? OptionManagedSolrServer::get_response_error_message($response_object) : '', 'google_recaptcha_site_key' => isset($google_recaptcha_site_key) ? $google_recaptcha_site_key : '', 'google_recaptcha_token' => isset($google_recaptcha_token) ? $google_recaptcha_token : '', 'total_nb_indexes' => $option_object->get_nb_indexes()));
    }
} else {
    // Verify that current subtab is a Solr index indice.
    if (!$option_object->has_index($subtab)) {
        // Use the first subtab element
        $subtab = key($subtabs);
    }
}
?>


		<form action="options.php" method="POST" id='settings_conf_form'>

			<?php 
settings_fields($option_name);
<?php

/**
 * Included file to display admin options
 */
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_GROUPS, true);
PluginGroups::update_custom_field_capabilities(PluginGroups::CUSTOM_FIELD_NAME_STORING_POST_CAPABILITIES);
$array_extension_options = get_option('wdm_solr_extension_groups_data');
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_GROUPS);
$is_plugin_custom_field_for_indexing = PluginGroups::get_custom_field_capabilities(PluginGroups::CUSTOM_FIELD_NAME_STORING_POST_CAPABILITIES);
$custom_field_for_indexing_name = PluginGroups::CUSTOM_FIELD_NAME_STORING_POST_CAPABILITIES;
$plugin_name = "Groups";
?>

<div id="extension_groups-options" class="wdm-vertical-tabs-content">
	<form action="options.php" method="POST" id='extension_groups_settings_form'>
		<?php 
settings_fields('solr_extension_groups_options');
$solr_extension_groups_options = get_option('wdm_solr_extension_groups_data', array('is_extension_active' => '0', 'is_users_without_groups_see_all_results' => '0', 'is_result_without_capabilities_seen_by_all_users' => '0', 'message_user_without_groups_shown_no_results' => '', 'message_result_capability_matches_user_group' => ''));
?>

		<div class='wrapper'>
			<h4 class='head_div'>Groups plugin Options</h4>

			<div class="wdm_note">

				In this section, you will configure how to restrict Solr search with groups
				and capabilities.<br/>

				<?php 
if (!$is_plugin_active) {
function wpsolr_admin_tabs($current = 'solr_indexes')
{
    // Get default search solr index indice
    WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_INDEXES, true);
    $option_indexes = new OptionIndexes();
    $default_search_solr_index = $option_indexes->get_default_search_solr_index();
    $nb_indexes = count($option_indexes->get_indexes());
    $are_there_indexes = $nb_indexes > 0;
    $tabs = array();
    $tabs['solr_indexes'] = $are_there_indexes ? '1. Define your Solr Indexes' : '1. Define your Solr Index';
    if ($are_there_indexes) {
        $tabs['solr_option'] = sprintf("2. Define your search with '%s'", !isset($default_search_solr_index) ? $are_there_indexes ? "<span class='text_error'>No index selected</span>" : '' : $option_indexes->get_index_name($default_search_solr_index));
        $tabs['solr_plugins'] = '3. Define which plugins to work with';
        $tabs['solr_operations'] = '4. Send your data';
    }
    echo '<div id="icon-themes" class="icon32"><br></div>';
    echo '<h2 class="nav-tab-wrapper">';
    foreach ($tabs as $tab => $name) {
        $class = $tab == $current ? ' nav-tab-active' : '';
        echo "<a class='nav-tab{$class}' href='admin.php?page=solr_settings&tab={$tab}'>{$name}</a>";
    }
    echo '</h2>';
}
<?php

/**
 * Included file to display admin options
 */
global $license_manager;
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_BBPRESS, true);
$extension_options_name = 'wdm_solr_extension_bbpress_data';
$settings_fields_name = 'solr_extension_bbpress_options';
$options = get_option($extension_options_name, array('is_extension_active' => '0'));
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_BBPRESS);
$plugin_name = "bbPress";
$plugin_link = "https://wordpress.org/plugins/bbpress/";
$plugin_version = "(>= 2.5.10)";
?>

<div id="extension_groups-options" class="wdm-vertical-tabs-content">
	<form action="options.php" method="POST" id='extension_groups_settings_form'>
		<?php 
settings_fields('solr_extension_bbpress_options');
$extension_options = get_option($extension_options_name, array('is_extension_active' => '0'));
?>

		<div class='wrapper'>
			<h4 class='head_div'><?php 
echo $plugin_name;
?>
 plugin Options</h4>

			<div class="wdm_note">
					       value="Logout from <?php 
echo $managed_solr_server->get_label();
?>
"/>
				</form>
			</div>
		</h4>

		<?php 
// Add menu items for all the managed Solr accounts
$subtabs = array();
$result_object = $managed_solr_server->call_rest_list_accounts();
if (OptionManagedSolrServer::is_response_ok($result_object)) {
    foreach ($managed_solr_server->get_response_results($result_object) as $result) {
        $subtabs[$managed_solr_server->get_id() . ':' . $result->uuid] = $result->label;
    }
}
// Display menu
$subtab = wpsolr_admin_sub_tabs($subtabs);
// Display account detail if account appears in parameters
$subtab_exploded = explode(':', $subtab);
if (count($subtab_exploded) >= 2) {
    $account_uuid = $subtab_exploded[1];
    $subtab_exploded = explode(':', $subtab);
    WpSolrExtensions::require_with(WpSolrExtensions::get_option_template_file(WpSolrExtensions::OPTION_MANAGED_SOLR_SERVERS, 'template-my-account-indexes.php'), array('managed_solr_server' => $managed_solr_server, 'account_uuid' => $account_uuid));
}
?>

	</div>
</div>
function my_register_activation_hook()
{
    /*
     * Migrate old data on plugin update
     */
    WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_INDEXES, true);
    $option_object = new OptionIndexes();
    $option_object->migrate_data_from_v4_9();
}
<?php

/**
 * Included file to display admin options
 */
global $license_manager;
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_PDF_EMBEDDER, true);
$extension_options_name = WPSOLR_Option::OPTION_PDF_EMBEDDER;
$settings_fields_name = 'extension_pdf_embedder_opt';
$options = get_option($extension_options_name, array('is_extension_active' => '0'));
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_PDF_EMBEDDER);
$plugin_name = "PDF Embedder";
$plugin_link = "https://wordpress.org/plugins/pdf-embedder/";
$plugin_version = "(>= 2.7.3)";
?>

<div id="extension_groups-options" class="wdm-vertical-tabs-content">
	<form action="options.php" method="POST" id='extension_groups_settings_form'>
		<?php 
settings_fields($settings_fields_name);
$extension_options = get_option($extension_options_name, array('is_extension_active' => '0'));
?>

		<div class='wrapper'>
			<h4 class='head_div'><?php 
echo $plugin_name;
?>
 plugin Options</h4>

			<div class="wdm_note">
<?php

// Load class for inheritance
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_EMBED_ANY_DOCUMENT, true);
/**
 * Class PluginGoogleDocEmbedder
 *
 * Manage Google Doc Embedder plugin
 * @link https://wordpress.org/plugins/google-document-embedder/
 */
class PluginGoogleDocEmbedder extends PluginEmbedAnyDocument
{
    const EMBEDDOC_SHORTCODE = 'gview';
    const EMBEDDOC_SHORTCODE_ATTRIBUTE_URL = 'file';
    protected function set_is_do_embed_documents()
    {
        $this->is_do_embed_documents = WPSOLR_Global::getOption()->get_google_doc_embedder_is_do_embed_documents();
    }
}
function wpsolr_activate()
{
    if (!is_multisite()) {
        /**
         * Mark licenses
         */
        WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_LICENSES, true);
        OptionLicenses::upgrade_licenses();
    }
}
<?php

include WPSOLR_PLUGIN_DIR . '/classes/solr/wpsolr-index-solr-client.php';
include WPSOLR_PLUGIN_DIR . '/classes/solr/wpsolr-search-solr-client.php';
include WPSOLR_PLUGIN_DIR . '/classes/ui/WPSOLR_Data_facets.php';
// Load localization class
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::OPTION_LOCALIZATION, true);
//WpSolrExtensions::load();
function solr_format_date($thedate)
{
    $datere = '/(\\d{4}-\\d{2}-\\d{2})\\s(\\d{2}:\\d{2}:\\d{2})/';
    $replstr = '${1}T${2}Z';
    return preg_replace($datere, $replstr, $thedate);
}
function fun_search_indexed_data()
{
    $ad_url = admin_url();
    // Retrieve search form page url
    $get_page_info = WPSolrSearchSolrClient::get_search_page();
    $url = get_permalink($get_page_info->ID);
    // Filter the search page url. Used for multi-language search forms.
    $url = apply_filters(WpSolrFilters::WPSOLR_FILTER_SEARCH_PAGE_URL, $url, $get_page_info->ID);
    // Load localization options
    $localization_options = OptionLocalization::get_options();
    $wdm_typehead_request_handler = !empty($_GET['nofacet']) ? 'wdm_return_solr_rows' : 'wdm_return_facet_solr_rows';
    echo "<div class='cls_search' style='width:100%'> <form action='{$url}' method='get'  class='search-frm' >";
    echo '<input type="hidden" value="' . $wdm_typehead_request_handler . '" id="path_to_fold">';
    echo '<input type="hidden" value="' . $ad_url . '" id="path_to_admin">';
    echo '<input type="hidden" value="' . WPSOLR_Global::getQuery()->get_wpsolr_query() . '" id="search_opt">';
    $ajax_nonce = wp_create_nonce("nonce_for_autocomplete");
    echo $form = '
<?php

/**
 * Included file to display admin options
 */
global $license_manager;
WpSolrExtensions::require_once_wpsolr_extension(WpSolrExtensions::EXTENSION_GOOGLE_DOC_EMBEDDER, true);
$extension_options_name = WPSOLR_Option::OPTION_GOOGLE_DOC_EMBEDDER;
$settings_fields_name = 'extension_google_doc_embedder_opt';
$options = get_option($extension_options_name, array('is_extension_active' => '0'));
$is_plugin_active = WpSolrExtensions::is_plugin_active(WpSolrExtensions::EXTENSION_GOOGLE_DOC_EMBEDDER);
$plugin_name = "Google Doc Embedder";
$plugin_link = "https://wordpress.org/plugins/google-document-embedder/";
$plugin_version = "(>= 2.6)";
?>

<div id="extension_groups-options" class="wdm-vertical-tabs-content">
	<form action="options.php" method="POST" id='extension_groups_settings_form'>
		<?php 
settings_fields($settings_fields_name);
$extension_options = get_option($extension_options_name, array('is_extension_active' => '0'));
?>

		<div class='wrapper'>
			<h4 class='head_div'><?php 
echo $plugin_name;
?>
 plugin Options</h4>

			<div class="wdm_note">