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            <pre class="with-hljs"><code class="lang-php">&lt;?php

defined(&#039;ABSPATH&#039;) || exit;
function rocket_admin_bar($wp_admin_bar)
{
    global $pagenow, $post;
    if (!empty($_SERVER[&#039;REQUEST_URI&#039;])) {
        $referer = filter_var(wp_unslash($_SERVER[&#039;REQUEST_URI&#039;]), FILTER_SANITIZE_URL);
        $referer = &#039;&amp;_wp_http_referer=&#039; . rawurlencode(remove_query_arg(&#039;fl_builder&#039;, $referer));
    } else {
        $referer = &#039;&#039;;
    }
    $has_cap = false;
    $capabilities = [&#039;rocket_manage_options&#039;, &#039;rocket_purge_cache&#039;, &#039;rocket_purge_opcache&#039;, &#039;rocket_purge_cloudflare_cache&#039;, &#039;rocket_preload_cache&#039;, &#039;rocket_regenerate_critical_css&#039;, &#039;rocket_remove_unused_css&#039;];
    foreach ($capabilities as $cap) {
        if (current_user_can($cap)) {
            $has_cap = true;
            break;
        }
    }
    if ($has_cap) {
        $wp_admin_bar-&gt;add_menu([&#039;id&#039; =&gt; &#039;wp-rocket&#039;, &#039;title&#039; =&gt; WP_ROCKET_PLUGIN_NAME, &#039;href&#039; =&gt; current_user_can(&#039;rocket_manage_options&#039;) ? admin_url(&#039;options-general.php?page=&#039; . WP_ROCKET_PLUGIN_SLUG) : false]);
    }
    if (current_user_can(&#039;rocket_manage_options&#039;)) {
        $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;rocket-settings&#039;, &#039;title&#039; =&gt; __(&#039;Settings&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; admin_url(&#039;options-general.php?page=&#039; . WP_ROCKET_PLUGIN_SLUG)]);
    }
    if (current_user_can(&#039;rocket_purge_cache&#039;)) {
        $action = &#039;purge_cache&#039;;
        if (rocket_valid_key()) {
            $i18n_plugin = rocket_has_i18n();
            if ($i18n_plugin) {
                $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;purge-all&#039;, &#039;title&#039; =&gt; __(&#039;Clear cache&#039;, &#039;rocket&#039;)]);
                switch ($i18n_plugin) {
                    case &#039;wpml&#039;:
                        $langlinks = get_rocket_wpml_langs_for_admin_bar();
                        break;
                    case &#039;qtranslate&#039;:
                        $langlinks = get_rocket_qtranslate_langs_for_admin_bar();
                        break;
                    case &#039;qtranslate-x&#039;:
                        $langlinks = get_rocket_qtranslate_langs_for_admin_bar(&#039;x&#039;);
                        break;
                    case &#039;polylang&#039;:
                        $langlinks = get_rocket_polylang_langs_for_admin_bar();
                        break;
                    default:
                        $langlinks = [];
                }
                if ($langlinks) {
                    foreach ($langlinks as $lang) {
                        $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;purge-all&#039;, &#039;id&#039; =&gt; &#039;purge-all-&#039; . $lang[&#039;code&#039;], &#039;title&#039; =&gt; $lang[&#039;flag&#039;] . &#039;&amp;nbsp;&#039; . $lang[&#039;anchor&#039;], &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . &#039;&amp;type=all&amp;lang=&#039; . $lang[&#039;code&#039;] . $referer), $action . &#039;_all&#039;)]);
                    }
                    if (&#039;wpml&#039; !== $i18n_plugin) {
                        $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;purge-all&#039;, &#039;id&#039; =&gt; &#039;purge-all-all&#039;, &#039;title&#039; =&gt; &#039;&lt;div class=&quot;dashicons-before dashicons-admin-site&quot; style=&quot;line-height:1.5&quot;&gt; &#039; . __(&#039;All languages&#039;, &#039;rocket&#039;) . &#039;&lt;/div&gt;&#039;, &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . &#039;&amp;type=all&amp;lang=all&#039; . $referer), $action . &#039;_all&#039;)]);
                    }
                }
            } else {
                $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;purge-all&#039;, &#039;title&#039; =&gt; __(&#039;Clear cache&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . &#039;&amp;type=all&#039; . $referer), $action . &#039;_all&#039;)]);
            }
            if (is_admin()) {
                if ($post &amp;&amp; &#039;post.php&#039; === $pagenow &amp;&amp; isset($_GET[&#039;action&#039;], $_GET[&#039;post&#039;])) {
                    $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;purge-post&#039;, &#039;title&#039; =&gt; __(&#039;Clear this post&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . &#039;&amp;type=post-&#039; . $post-&gt;ID . $referer), $action . &#039;_post-&#039; . $post-&gt;ID)]);
                }
            } else {
                $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;purge-url&#039;, &#039;title&#039; =&gt; __(&#039;Purge this URL&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . &#039;&amp;type=url&#039; . $referer), $action . &#039;_url&#039;)]);
            }
        }
    }
    if (current_user_can(&#039;rocket_purge_opcache&#039;)) {
        $opcache_enabled = filter_var(ini_get(&#039;opcache.enable&#039;), FILTER_VALIDATE_BOOLEAN);
        $restrict_api = ini_get(&#039;opcache.restrict_api&#039;);
        $can_restrict_api = true;
        if ($restrict_api &amp;&amp; strpos(__FILE__, $restrict_api) !== 0) {
            $can_restrict_api = false;
        }
        if (function_exists(&#039;opcache_reset&#039;) &amp;&amp; $opcache_enabled &amp;&amp; $can_restrict_api) {
            $action = &#039;rocket_purge_opcache&#039;;
            $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;purge-opcache&#039;, &#039;title&#039; =&gt; __(&#039;Purge OPcache&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . $referer), $action)]);
        }
    }
    if (current_user_can(&#039;rocket_purge_cloudflare_cache&#039;)) {
        if (get_rocket_option(&#039;do_cloudflare&#039;, 0)) {
            $action = &#039;rocket_purge_cloudflare&#039;;
            $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;purge-cloudflare&#039;, &#039;title&#039; =&gt; __(&#039;Clear Cloudflare cache&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . $referer), $action)]);
        }
    }
    if (current_user_can(&#039;rocket_purge_sucuri_cache&#039;)) {
        if (get_rocket_option(&#039;sucury_waf_cache_sync&#039;, 0)) {
            $action = &#039;rocket_purge_sucuri&#039;;
            $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;purge-sucuri&#039;, &#039;title&#039; =&gt; __(&#039;Purge Sucuri cache&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . $referer), $action)]);
        }
    }
    if (current_user_can(&#039;rocket_preload_cache&#039;)) {
        $action = &#039;preload&#039;;
        if (get_rocket_option(&#039;manual_preload&#039;, 0)) {
            $i18n_plugin = rocket_has_i18n();
            if ($i18n_plugin) {
                $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;preload-cache&#039;, &#039;title&#039; =&gt; __(&#039;Preload cache&#039;, &#039;rocket&#039;)]);
                if (!isset($langlinks)) {
                    switch ($i18n_plugin) {
                        case &#039;wpml&#039;:
                            $langlinks = get_rocket_wpml_langs_for_admin_bar();
                            break;
                        case &#039;qtranslate&#039;:
                            $langlinks = get_rocket_qtranslate_langs_for_admin_bar();
                            break;
                        case &#039;qtranslate-x&#039;:
                            $langlinks = get_rocket_qtranslate_langs_for_admin_bar(&#039;x&#039;);
                            break;
                        case &#039;polylang&#039;:
                            $langlinks = get_rocket_polylang_langs_for_admin_bar();
                            break;
                        default:
                            $langlinks = [];
                    }
                }
                if ($langlinks) {
                    foreach ($langlinks as $lang) {
                        $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;preload-cache&#039;, &#039;id&#039; =&gt; &#039;preload-cache-&#039; . $lang[&#039;code&#039;], &#039;title&#039; =&gt; $lang[&#039;flag&#039;] . &#039;&amp;nbsp;&#039; . $lang[&#039;anchor&#039;], &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . &#039;&amp;lang=&#039; . $lang[&#039;code&#039;] . $referer), $action)]);
                    }
                    if (&#039;wpml&#039; !== $i18n_plugin) {
                        $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;preload-cache&#039;, &#039;id&#039; =&gt; &#039;preload-cache-all&#039;, &#039;title&#039; =&gt; &#039;&lt;div class=&quot;dashicons-before dashicons-admin-site&quot; style=&quot;line-height:1.5;&quot;&gt; &#039; . __(&#039;All languages&#039;, &#039;rocket&#039;) . &#039;&lt;/div&gt;&#039;, &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . &#039;&amp;lang=all&#039; . $referer), $action)]);
                    }
                }
            } else {
                $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;preload-cache&#039;, &#039;title&#039; =&gt; __(&#039;Preload cache&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=&#039; . $action . $referer), $action)]);
            }
        }
    }
    do_action(&#039;rocket_admin_bar_items&#039;, $wp_admin_bar);
    if (current_user_can(&#039;rocket_manage_options&#039;)) {
        $rocketcdn_status = get_transient(&#039;rocketcdn_status&#039;);
        if (isset($rocketcdn_status[&#039;subscription_active&#039;]) &amp;&amp; &#039;running&#039; === $rocketcdn_status[&#039;subscription_active&#039;]) {
            $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;purge-cdn-cache&#039;, &#039;title&#039; =&gt; __(&#039;Purge RocketCDN cache&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; wp_nonce_url(admin_url(&#039;admin-post.php?action=rocket_purge_rocketcdn&#039; . $referer), &#039;rocket_purge_rocketcdn&#039;)]);
        }
        $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;docs&#039;, &#039;title&#039; =&gt; __(&#039;Documentation&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; get_rocket_documentation_url()]);
        $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;faq&#039;, &#039;title&#039; =&gt; __(&#039;FAQ&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; get_rocket_faq_url()]);
        $wp_admin_bar-&gt;add_menu([&#039;parent&#039; =&gt; &#039;wp-rocket&#039;, &#039;id&#039; =&gt; &#039;support&#039;, &#039;title&#039; =&gt; __(&#039;Support&#039;, &#039;rocket&#039;), &#039;href&#039; =&gt; rocket_get_external_url(&#039;support&#039;, [&#039;utm_source&#039; =&gt; &#039;wp_plugin&#039;, &#039;utm_medium&#039; =&gt; &#039;wp_rocket&#039;])]);
    }
}
add_action(&#039;admin_bar_menu&#039;, &#039;rocket_admin_bar&#039;, PHP_INT_MAX - 10);</code></pre>        </div>
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