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✏️ Editing: autoptimizeConfig.php Writable

<?php
/**
 * Main configuration logic.
 */

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

class autoptimizeConfig
{
    /**
     * Options.
     *
     * @var array
     */
    private $config = null;

/**
     * Singleton instance.
     *
     * @var self|null
     */
    static private $instance = null;

/**
     * Options.
     *
     * @var bool
     */
    private $settings_screen_do_remote_http = true;

/**
     * Singleton.
     */
    private function __construct()
    {
        if ( is_admin() ) {
            // Add the admin page and settings.
            if ( autoptimizeOptionWrapper::is_ao_active_for_network() ) {
                add_action( 'network_admin_menu', array( $this, 'addmenu' ) );
            }

add_action( 'admin_menu', array( $this, 'addmenu' ) );
            add_action( 'admin_init', array( $this, 'registersettings' ) );
            add_action( 'admin_init', array( 'PAnD', 'init' ) );

// Set meta info.
            if ( function_exists( 'plugin_row_meta' ) ) {
                // 2.8 and higher.
                add_filter( 'plugin_row_meta', array( $this, 'setmeta' ), 10, 2 );
            } elseif ( function_exists( 'post_class' ) ) {
                // 2.7 and lower.
                $plugin = plugin_basename( AUTOPTIMIZE_PLUGIN_DIR . 'autoptimize.php' );
                add_filter( 'plugin_action_links_' . $plugin, array( $this, 'setmeta' ) );
            }

// Clean cache?
            if ( autoptimizeOptionWrapper::get_option( 'autoptimize_cache_clean' ) ) {
                autoptimizeCache::clearall();
                autoptimizeOptionWrapper::update_option( 'autoptimize_cache_clean', 0 );
            }

$this->settings_screen_do_remote_http = apply_filters( 'autoptimize_settingsscreen_remotehttp', $this->settings_screen_do_remote_http );

if ( $this->is_ao_meta_settings_active() ) {
                $meta_box = new autoptimizeMetabox();
            }
        }

// Adds the Autoptimize Toolbar to the Admin bar.
        // (we load outside the is_admin check so it's also displayed on the frontend toolbar).
        $toolbar = new autoptimizeToolbar();
    }

/**
     * Instantiates aoconfig.
     *
     * @return autoptimizeConfig
     */
    static public function instance()
    {
        // Only one instance.
        if ( null === self::$instance ) {
            self::$instance = new autoptimizeConfig();
        }

return self::$instance;
    }

public function show_network_message() {
        ?>
        <div class="wrap">
            <h1><?php esc_html_e( 'Autoptimize Settings', 'autoptimize' ); ?></h1>
            <?php echo $this->ao_admin_tabs(); ?>
            <p style="font-size:120%;"><?php echo apply_filters( 'autoptimize_filter_settingsscreen_multisite_network_message', esc_html__( 'Autoptimize is enabled and configured on a WordPress network level. Please contact your network administrator if you need Autoptimize settings changed.', 'autoptimize' ) ); ?></p>
        </div>
        <?php
    }

public function show_config()
    {
        // phpcs:disable Generic.WhiteSpace.ScopeIndent.IncorrectExact
        // phpcs:disable Generic.WhiteSpace.ScopeIndent.Incorrect
        $conf = self::instance();
        ?>
<style>
/* title and button */
#ao_title_and_button:after {content:''; display:block; clear:both;}

/* form */
.itemDetail {
    background: #fff;
    border: 1px solid #ccc;
    padding: 15px;
    margin: 15px 10px 10px 0;
}
.itemTitle {
    margin-top: 0;
}

.form-table th{font-weight:normal;}
#autoptimize_main form input:invalid {box-shadow: 0 0 1px 1px red;}
#autoptimize_main .cb_label {display: block; padding-left: 25px; text-indent: -25px;}
#autoptimize_main .form-table th {padding-top: 15px; padding-bottom: 15px;}
#autoptimize_main .js_aggregate td, #autoptimize_main .js_aggregate th, #autoptimize_main .js_not_aggregate td, #autoptimize_main .js_not_aggregate th{padding-top:0px;}

/* rss block */
#futtta_feed ul{list-style:outside;}
#futtta_feed {font-size:medium; margin:0px 20px;}

/* banner + unslider */
.autoptimize_banner {
    margin: 0 38px;
    padding-bottom: 5px;
}
.autoptimize_banner ul li {
    font-size:medium;
    text-align:center;
}
.unslider {
    position:relative;
}
.unslider-arrow {
    display: block;
    left: unset;
    margin-top: -35px;
    margin-left: 7px;
    margin-right: 7px;
    border-radius: 32px;
    background: rgba(0, 0, 0, 0.10) no-repeat 50% 50%;
    color: rgba(255, 255, 255, 0.8);
    font: normal 20px/1 dashicons;
    speak: none;
    padding: 3px 2px 3px 4px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.unslider-arrow:hover {
    background-color: rgba(0, 0, 0, 0.20);
    color: #FFF;
}
.unslider-arrow.prev {
    padding: 3px 4px 3px 2px;
}
.unslider-arrow.next {
    right: 0px;
}
.unslider-arrow.prev::before {
    content: "\f341";
}
.unslider-arrow.next::before {
    content: "\f345";
}

/* responsive stuff: hide admin-feed on smaller screens */
@media (min-width: 961px) {
    #autoptimize_main {float:left;width:69%;}
    #autoptimize_admin_feed{float:right;width:30%;display:block !important;}
    }
@media (max-width: 960px) {
    #autoptimize_main {width:100%;}
    #autoptimize_admin_feed {width:0%;display:none !important;}
}
@media (max-width: 782px) {
    #autoptimize_main input[type="checkbox"] {margin-left: 10px;}
    #autoptimize_main .cb_label {display: block; padding-left: 45px; text-indent: -45px;}
}
</style>

<div id="autoptimize_main">
    <h1 id="ao_title"><?php apply_filters( 'autoptimize_filter_settings_is_pro', false ) ? esc_html_e( 'Autoptimize Pro Settings', 'autoptimize' ) : esc_html_e( 'Autoptimize Settings', 'autoptimize' ); ?></h1>
    <?php echo $this->ao_admin_tabs(); ?>

<ul>

<?php
// Only show enable site configuration in network site option.
if ( is_network_admin() && autoptimizeOptionWrapper::is_ao_active_for_network() ) {
?>
    <li class="itemDetail multiSite">
        <h2 class="itemTitle"><?php esc_html_e( 'Multisite Options', 'autoptimize' ); ?></h2>
        <table class="form-table">
            <tr valign="top">
                <th scope="row"><?php esc_html_e( 'Enable site configuration?', 'autoptimize' ); ?></th>
                <td><label class="cb_label"><input type="checkbox" id="autoptimize_enable_site_config" name="autoptimize_enable_site_config" <?php echo autoptimizeOptionWrapper::get_option( 'autoptimize_enable_site_config' ) ? 'checked="checked" ' : ''; ?>/>
                <?php esc_html_e( 'Enable Autoptimize configuration per site.', 'autoptimize' ); ?></label></td>
            </tr>
        </table>
    </li>
<?php } else { ?>
    <input type="hidden" id="autoptimize_enable_site_config" name="autoptimize_enable_site_config" value="on" />
<?php } ?>

<li class="itemDetail">
<h2 class="itemTitle"><?php esc_html_e( 'JavaScript Options', 'autoptimize' ); ?></h2>
<table class="form-table">
<tr valign="top">
<th scope="row"><?php esc_html_e( 'Optimize JavaScript Code?', 'autoptimize' ); ?></th>
<td><input type="checkbox" id="autoptimize_js" name="autoptimize_js" <?php echo $conf->get( 'autoptimize_js' ) ? 'checked="checked" ' : ''; ?>/></td>
</tr>
<tr valign="top" class="js_sub js_aggregate_master">
<th scope="row"><?php esc_html_e( 'Aggregate JS-files?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" id="autoptimize_js_aggregate" name="autoptimize_js_aggregate" <?php echo $conf->get( 'autoptimize_js_aggregate' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Aggregate all linked JS-files to have them loaded non-render blocking?', 'autoptimize' ); ?></label></td>
</tr>
<tr valign="top" class="js_sub js_aggregate hidden">
<th scope="row">&emsp;<?php esc_html_e( 'Also aggregate inline JS?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_include_inline" <?php echo $conf->get( 'autoptimize_js_include_inline' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Let Autoptimize also extract JS from the HTML (discouraged as it can make Autoptimize\'s cache size grow quickly)', 'autoptimize' ); ?></label></td>
</tr>
<tr valign="top" class="js_sub js_aggregate hidden">
<th scope="row">&emsp;<?php esc_html_e( 'Force JavaScript in &lt;head&gt;?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_forcehead" <?php echo $conf->get( 'autoptimize_js_forcehead' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Load JavaScript early (discouraged as it makes the JS render blocking)', 'autoptimize' ); ?></label></td>
</tr>
<tr valign="top" class="js_sub js_aggregate hidden">
<th scope="row">&emsp;<?php esc_html_e( 'Add try-catch wrapping?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_trycatch" <?php echo $conf->get( 'autoptimize_js_trycatch' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'If your aggregated scripts break because of a JS-error, you might want to try this, but generally discouraged.', 'autoptimize' ); ?></label></td>
</tr>
<tr valign="top" class="js_sub js_not_aggregate_master">
<th scope="row"><?php esc_html_e( 'Do not aggregate but defer?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" id="autoptimize_js_defer_not_aggregate" name="autoptimize_js_defer_not_aggregate" <?php echo $conf->get( 'autoptimize_js_defer_not_aggregate' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Individual JS-files will be minified and deferred, making them non-render-blocking.', 'autoptimize' ); ?></label></td>
</tr>
<tr valign="top" id="js_defer_inline" class="js_sub js_not_aggregate hidden">
<th scope="row">&emsp;<?php esc_html_e( 'Also defer inline JS?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_defer_inline" <?php echo $conf->get( 'autoptimize_js_defer_inline' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Also defer inline JS. Generally this will allow all JS to be deferred, so you should remove default exclusions, test and only exclude specific items if still needed.', 'autoptimize' ); ?></label></td>
</tr>
<?php if ( autoptimizeOptionWrapper::get_option( 'autoptimize_js_justhead' ) ) { ?>
<tr valign="top" class="js_sub js_aggregate">
<th scope="row">
<?php
    esc_html_e( 'Look for scripts only in &lt;head&gt;?', 'autoptimize' );
    echo ' <i>' . esc_html__( '(deprecated)', 'autoptimize' ) . '</i>';
?>
</th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_justhead" <?php echo $conf->get( 'autoptimize_js_justhead' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Mostly useful in combination with previous option when using jQuery-based templates, but might help keeping cache size under control.', 'autoptimize' ); ?></label></td>
</tr>
<?php } ?>
<tr valign="top" class="js_sub">
<th scope="row"><?php esc_html_e( 'Exclude scripts from Autoptimize:', 'autoptimize' ); ?></th>
<td><label><input type="text" pattern="[^\*]*" style="width:100%;" name="autoptimize_js_exclude" value="<?php echo esc_attr( autoptimizeOptionWrapper::get_option( 'autoptimize_js_exclude', '' ) ); ?>"/><br />
<?php
echo esc_html__( 'A comma-separated list of scripts you do not want optimized, for example \'whatever.js, my_var\' (without the quotes).', 'autoptimize' ) . ' ' . esc_html__( 'Important: when "aggregate JS-files" is on, excluded non-minified files are still minified by Autoptimize unless that option under "misc" is disabled.', 'autoptimize' );
?>
</label></td>
</tr>
<tr valign="top">
<th scope="row"><?php esc_html_e( 'Remove Unused JavaScript?', 'autoptimize' ); ?></th>
<td><?php esc_html_e( 'Autoptimize combines your theme & plugins\' JavaScript, but does not know what is used and what is not. If Google Pagespeed Insights detects unused JavaScript, consider using a plugin like "Plugin Organizer" or similar to manage what JavaScript is added where.', 'autoptimize' ); ?></td>
</tr>
</table>
</li>

<li class="itemDetail">
<h2 class="itemTitle"><?php esc_html_e( 'CSS Options', 'autoptimize' ); ?></h2>
<table class="form-table">
<tr valign="top">
<th scope="row"><?php esc_html_e( 'Optimize CSS Code?', 'autoptimize' ); ?></th>
<td><input type="checkbox" id="autoptimize_css" name="autoptimize_css" <?php echo $conf->get( 'autoptimize_css' ) ? 'checked="checked" ' : ''; ?>/></td>
</tr>
<tr class="css_sub" valign="top">
<th scope="row"><?php esc_html_e( 'Aggregate CSS-files?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" id="autoptimize_css_aggregate" name="autoptimize_css_aggregate" <?php echo $conf->get( 'autoptimize_css_aggregate' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Aggregate all linked CSS-files? If this option is off, the individual CSS-files will remain in place but will be minified.', 'autoptimize' ); ?></label></td>
</tr>
<tr valign="top" class="css_sub css_aggregate">
<th scope="row"><?php esc_html_e( 'Also aggregate inline CSS?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_include_inline" <?php echo $conf->get( 'autoptimize_css_include_inline', '1' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Check this option for Autoptimize to also aggregate CSS in the HTML.', 'autoptimize' ); ?></label></td>
</tr>
<tr class="css_sub css_aggregate" valign="top">
<th scope="row"><?php esc_html_e( 'Generate data: URIs for images?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_datauris" <?php echo $conf->get( 'autoptimize_css_datauris' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Enable this to include small background images in the CSS itself instead of as separate downloads.', 'autoptimize' ); ?></label></td>
</tr>
<?php if ( autoptimizeOptionWrapper::get_option( 'autoptimize_css_justhead' ) ) { ?>
<tr valign="top" class="css_sub css_aggregate">
<th scope="row">
<?php
esc_html_e( 'Look for styles only in &lt;head&gt;?', 'autoptimize' );
echo ' <i>' . esc_html__( '(deprecated)', 'autoptimize' ) . '</i>';
?>
</th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_justhead" <?php echo $conf->get( 'autoptimize_css_justhead' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Don\'t autoptimize CSS outside the head-section. If the cache gets big, you might want to enable this.', 'autoptimize' ); ?></label></td>
</tr>
<?php } ?>
<tr valign="top" class="css_sub">
<th scope="row"><?php esc_html_e( 'Eliminate render-blocking CSS?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_defer" id="autoptimize_css_defer" <?php echo $conf->get( 'autoptimize_css_defer' ) ? 'checked="checked" ' : ''; ?>/>
<?php
_e( 'Inline "above the fold CSS" while loading the main autoptimized CSS only after page load. <a href="https://wordpress.org/plugins/autoptimize/faq/" target="_blank">Check the FAQ</a> for more info.', 'autoptimize' );
echo ' ';
$critcss_settings_url = get_admin_url( null, 'options-general.php?page=ao_critcss' );
// translators: links "autoptimize critical CSS" tab.
echo sprintf( esc_html__( 'You can manually create rules for different types of pages or have this done fully automated on the %s tab.', 'autoptimize' ), '<a href="' . $critcss_settings_url . '">CriticalCSS</a>' );
?>
</label></td>
</tr>
<tr valign="top" class="css_sub" id="autoptimize_css_defer_inline">
<th scope="row"></th>
<td><label><textarea rows="10" cols="10" style="width:100%;" spellcheck="false" placeholder="<?php esc_html_e( 'Paste the above the fold CSS here. You can leave this empty when using the automated Critical CSS integration.', 'autoptimize' ); ?>" name="autoptimize_css_defer_inline"><?php echo autoptimizeStyles::sanitize_css( autoptimizeOptionWrapper::get_option( 'autoptimize_css_defer_inline' ) ); ?></textarea></label></td>
</tr>
<tr valign="top" class="css_sub css_aggregate">
<th scope="row"><?php esc_html_e( 'Inline all CSS?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" id="autoptimize_css_inline" name="autoptimize_css_inline" <?php echo $conf->get( 'autoptimize_css_inline' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Inlining all CSS is an easy way to stop the CSS from being render-blocking, but is generally not recommended because the size of the HTML increases significantly. Additionally, it might push meta-tags down to a position where e.g. Facebook and Whatsapp will not find them anymore, breaking thumbnails when sharing.', 'autoptimize' ); ?></label></td>
</tr>
<tr valign="top" class="css_sub">
<th scope="row"><?php esc_html_e( 'Exclude CSS from Autoptimize:', 'autoptimize' ); ?></th>
<td><label><input type="text" pattern="[^\*]*" style="width:100%;" name="autoptimize_css_exclude" value="<?php echo esc_attr( $conf->get( 'autoptimize_css_exclude', '' ) ); ?>"/><br />
<?php
echo esc_html__( 'A comma-separated list of CSS you want to exclude from being optimized.', 'autoptimize' ) . ' ' . esc_html__( 'Important: excluded non-minified files are still minified by Autoptimize unless that option under "misc" is disabled.', 'autoptimize' );
?>
</label></td>
</tr>
<?php 
    $_availabilities = autoptimizeOptionWrapper::get_option( 'autoptimize_service_availablity' );
    if ( empty( $_availabilities ) || ! is_array( $_availabilities ) || ! array_key_exists( 'rapidload', $_availabilities ) || ! array_key_exists( 'status', $_availabilities['rapidload'] ) ) {
        $rapidload_true = true;
    } else if ( $_availabilities['rapidload']['status'] === 'up' ) {
        $rapidload_true = true;
    } else if ( $_availabilities['rapidload']['status'] !== 'up' ) {
        $rapidload_true = false;
    } else {
        $rapidload_true = false;
    }
?>
<?php if ( $rapidload_true && false === autoptimizeUtils::is_plugin_active( 'unusedcss/unusedcss.php' ) ) { ?>
<tr valign="top">
<th scope="row"><?php esc_html_e( 'Remove Unused CSS?', 'autoptimize' ); ?></th>
<?php
$_rapidload_link = 'https://misc.optimizingmatters.com/partners/?from=csssettings&partner=rapidload';
?>
<td><?php 
// translators: a link to rapidload + strong tags
echo sprintf( esc_html__( 'If Google Pagespeed Insights detects unused CSS, consider using %1$sthe premium Rapidload service%2$s to %3$sreduce your site\'s CSS size to up to 90&#37;%4$s, resulting in a slimmer, faster site!', 'autoptimize' ), '<a href="' . $_rapidload_link . '" target="_blank">', '</a>', '<strong>', '</strong>' ); ?></td>
</tr>
<?php } ?>
</table>
</li>

<li class="itemDetail">
<h2 class="itemTitle"><?php esc_html_e( 'HTML Options', 'autoptimize' ); ?></h2>
<table class="form-table">
<tr valign="top">
<th scope="row"><?php esc_html_e( 'Optimize HTML Code?', 'autoptimize' ); ?></th>
<td><input type="checkbox" id="autoptimize_html" name="autoptimize_html" <?php echo $conf->get( 'autoptimize_html' ) ? 'checked="checked" ' : ''; ?>/></td>
</tr>
<tr class="html_sub" valign="top">
<th scope="row"><?php esc_html_e( 'Also minify inline JS/ CSS?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_html_minify_inline" <?php echo $conf->get( 'autoptimize_html_minify_inline' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Enable this if you want inline JS or CSS to be minified as well.', 'autoptimize' ); ?></label></td>
</tr>
<tr class="html_sub" valign="top">
<th scope="row"><?php esc_html_e( 'Keep HTML comments?', 'autoptimize' ); ?></th>
<td><label class="cb_label"><input type="checkbox" name="autoptimize_html_keepcomments" <?php echo $conf->get( 'autoptimize_html_keepcomments' ) ? 'checked="checked" ' : ''; ?>/>
<?php esc_html_e( 'Enable this if you want HTML comments to remain in the page.', 'autoptimize' ); ?></label></td>
</tr>
</table>
</li>

<li class="itemDetail">
<h2 class="itemTitle"><?php esc_html_e( 'CDN Options', 'autoptimize' ); ?></h2>
<table class="form-table">
<tr valign="top">
<th scope="row"><?php esc_html_e( 'CDN Base URL', 'autoptimize' ); ?></th>
<?php
if ( true === autoptimizeImages::imgopt_active() && true === apply_filters( 'autoptimize_filter_cdn_set_by_imgopt', false ) ) {
    // cdn set by imgopt, not to be changealbe in the settings.
    $cdn_editable    = 'disabled';
    $cdn_placeholder = 'placeholder="' . esc_html__( 'The CDN has automatically been set to make use of the image optimization CDN.', 'autoptimize' ) . ' "';
    $cdn_description = '';
} else {
    $cdn_editable    = '';
    $cdn_placeholder = 'placeholder="' . esc_html__( 'example: //cdn.yoursite.com/', 'autoptimize' ) . ' "';
    $cdn_description = esc_html__( 'Enter your CDN root URL to enable CDN for Autoptimized files. The URL can be http, https or protocol-relative. This is not needed for Cloudflare.', 'autoptimize' );
}
?>
<td><label><input id="cdn_url" type="text" name="autoptimize_cdn_url" pattern="^(https?:)?\/\/([\da-z\.-]+)\.([\da-z\.]{2,6})([\/\w \.-]*)*(:\d{2,5})?\/?$" style="width:100%" <?php echo $cdn_placeholder . $cdn_editable; ?> value="<?php echo esc_url( autoptimizeOptionWrapper::get_option( 'autoptimize_cdn_url', '' ), array( 'http', 'https' ) ); ?>" /><br />
<?php echo $cdn_description; ?>
</label></td>
</tr>
</table>
</li>

<li class="itemDetail">
<h2 class="itemTitle"><?php esc_html_e( 'Cache Info', 'autoptimize' ); ?></h2>
<table class="form-table" >
<tr valign="top" >
<th scope="row"><?php esc_html_e( 'Cache folder', 'autoptimize' ); ?></th>
<td><?php echo htmlentities( AUTOPTIMIZE_CACHE_DIR ); ?></td>
</tr>
<tr valign="top" >
<th scope="row"><?php esc_html_e( 'Can we write?', 'autoptimize' ); ?></th>
<td><?php echo ( autoptimizeCache::cacheavail() ? esc_html__( 'Yes', 'autoptimize' ) : esc_html__( 'No', 'autoptimize' ) ); ?></td>
</tr>
<tr valign="top" >
<th scope="row"><?php esc_html_e( 'Cached styles and scripts', 'autoptimize' ); ?></th>
<td>
    <?php
    $ao_stat_arr = autoptimizeCache::stats();
    if ( ! empty( $ao_stat_arr ) && is_array( $ao_stat_arr ) ) {
        $ao_cache_size = size_format( $ao_stat_arr[1], 2 );
        $details       = '';
        if ( $ao_cache_size > 0 ) {
            $details = ', ~' . $ao_cache_size . ' total';
        }
        // translators: Kilobytes + timestamp shown.
        printf( esc_html__( '%1$s files, totaling %2$s (calculated at %3$s)', 'autoptimize' ), $ao_stat_arr[0], $ao_cache_size, wp_date( 'H:i', $ao_stat_arr[2] ) ); // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date
    }
    ?>
</td>
</tr>
</table>
</li>

<li class="itemDetail">
<h2 class="itemTitle"><?php esc_html_e( 'Misc Options', 'autoptimize' ); ?></h2>
<table class="form-table">
    <tr valign="top">
    <th scope="row"><?php esc_html_e( 'Save aggregated script/css as static files?', 'autoptimize' ); ?></th>
    <td><label class="cb_label"><input type="checkbox" name="autoptimize_cache_nogzip" <?php echo $conf->get( 'autoptimize_cache_nogzip' ) ? 'checked="checked" ' : ''; ?>/>
    <?php esc_html_e( 'By default files saved are static css/js, uncheck this option if your webserver doesn\'t properly handle the compression and expiry.', 'autoptimize' ); ?></label></td>
    </tr>
    <?php
    $_min_excl_class = '';
    if ( ! $conf->get( 'autoptimize_css_aggregate' ) && ! $conf->get( 'autoptimize_js_aggregate' ) ) {
        $_min_excl_class = 'hidden';
    }
    ?>
    <tr valign="top" id="min_excl_row" class="<?php echo $_min_excl_class; ?>">
        <th scope="row"><?php esc_html_e( 'Minify excluded CSS and JS files?', 'autoptimize' ); ?></th>
        <td><label class="cb_label"><input type="checkbox" name="autoptimize_minify_excluded" <?php echo $conf->get( 'autoptimize_minify_excluded' ) ? 'checked="checked" ' : ''; ?>/>
        <?php esc_html_e( 'When aggregating JS or CSS, excluded files that are not minified (based on filename) are by default minified by Autoptimize despite being excluded. Uncheck this option if anything breaks despite excluding.', 'autoptimize' ); ?></label></td>
    </tr>
    <tr valign="top">
        <th scope="row"><?php esc_html_e( 'Enable 404 fallbacks?', 'autoptimize' ); ?></th>
        <td><label class="cb_label"><input type="checkbox" name="autoptimize_cache_fallback" <?php echo $conf->get( 'autoptimize_cache_fallback' ) ? 'checked="checked" ' : ''; ?>/>
        <?php
        // translators; just 2 opening and closing <code> tags.
        printf( esc_html__( 'Sometimes Autoptimized JS/ CSS is referenced in cached HTML but is already removed, resulting in broken sites. With this option on, Autoptimize will try to redirect those not-found files to "fallback"-versions, keeping the page/ site somewhat intact. In some cases, this will require extra web-server level configuration to ensure %1$swp-content/autoptimize_404_handler.php%2$s is set to handle 404\'s in %1$swp-content/cache/autoptimize%2$s.', 'autoptimize' ), '<code>', '</code>' );
        ?>
        </label></td>
    </tr>
    <tr valign="top">
    <th scope="row"><?php esc_html_e( 'Also optimize for logged in editors/ administrators?', 'autoptimize' ); ?></th>
    <td><label class="cb_label"><input type="checkbox" name="autoptimize_optimize_logged" <?php echo $conf->get( 'autoptimize_optimize_logged' ) ? 'checked="checked" ' : ''; ?>/>
    <?php esc_html_e( 'By default Autoptimize is also active for logged-on editors/ administrators, uncheck this option if you don\'t want Autoptimize to optimize when logged in e.g. to use a page builder.', 'autoptimize' ); ?></label></td>
    </tr>
    <?php
    if ( function_exists( 'is_checkout' ) || function_exists( 'is_cart' ) || function_exists( 'edd_is_checkout' ) || function_exists( 'wpsc_is_cart' ) || function_exists( 'wpsc_is_checkout' ) ) {
    ?>
    <tr valign="top" >
        <th scope="row"><?php esc_html_e( 'Also optimize shop cart/ checkout?', 'autoptimize' ); ?></th>
        <td><label class="cb_label"><input type="checkbox" name="autoptimize_optimize_checkout" <?php echo $conf->get( 'autoptimize_optimize_checkout' ) ? 'checked="checked" ' : ''; ?>/>
            <?php esc_html_e( 'By default Autoptimize is also active on your shop\'s cart/ checkout, uncheck not to optimize those.', 'autoptimize' ); ?></label>
        </td>
    </tr>
    <?php } ?>
    <?php
    if ( true === apply_filters( 'autoptimize_filter_enable_meta_ao_settings', true ) ) {
    ?>
    <tr valign="top">
    <th scope="row"><?php esc_html_e( 'Enable configuration per post/ page?', 'autoptimize' ); ?></th>
    <td><label class="cb_label"><input type="checkbox" name="autoptimize_enable_meta_ao_settings" <?php echo $conf->get( 'autoptimize_enable_meta_ao_settings' ) ? 'checked="checked" ' : ''; ?>/>
    <?php esc_html_e( 'Add a "meta box" to the post/ page edit screen allowing different optimizations to be turned off on a per post/ page level?', 'autoptimize' ); ?></label></td>
    </tr>
    <?php } ?>
    <tr valign="top">
    <th scope="row"><?php esc_html_e( 'Disable extra compatibility logic?', 'autoptimize' ); ?></th>
    <td><label class="cb_label"><input type="checkbox" name="autoptimize_installed_before_compatibility" <?php echo $conf->get( 'autoptimize_installed_before_compatibility' ) ? 'checked="checked" ' : ''; ?>/>
    <?php esc_html_e( 'Autoptimize applies extra "compatibility logic" to prevent issues with JS optimization (for e.g. Gutenberg blocks, Revolution Slider, jQuery-heavy plugins, ...) but may sometimes be a bit too careful. If you have render-blocking JS issues, you can try disabling this logic here. Make sure to test your site thoroughly though!', 'autoptimize' ); ?></label></td>
    </tr>
</table>
</li>

</ul>

</form>
</div>
<div id="autoptimize_admin_feed">
    <?php if ( apply_filters( 'autoptimize_filter_show_partner_tabs', true ) ) { ?>
    <div class="autoptimize_banner hidden">
    <ul>
    <?php
    if ( $this->settings_screen_do_remote_http ) {
        $ao_banner = get_transient( 'autoptimize_banner' );
        if ( empty( $ao_banner ) ) {
            $banner_resp = wp_remote_get( 'https://misc.optimizingmatters.com/autoptimize_news.html?ao_ver=' . AUTOPTIMIZE_PLUGIN_VERSION );
            if ( ! is_wp_error( $banner_resp ) ) {
                if ( '200' == wp_remote_retrieve_response_code( $banner_resp ) ) {
                    $ao_banner = wp_kses_post( wp_remote_retrieve_body( $banner_resp ) );
                    set_transient( 'autoptimize_banner', $ao_banner, WEEK_IN_SECONDS );
                }
            }
        }
        echo $ao_banner;
    }
    ?>
        <li>
        <?php
            // translators: link to the AO FAQ.
            printf( esc_html__( 'Need help? %1$sCheck out the FAQ here%2$s.', 'autoptimize' ), '<a href=\'https://wordpress.org/plugins/autoptimize/faq/\'>', '</a>' );
        ?>
        </li>
        <li><?php esc_html_e( 'Happy with Autoptimize?', 'autoptimize' ); ?><br /><a href="<?php echo network_admin_url(); ?>plugin-install.php?tab=search&type=author&s=optimizingmatters"><?php esc_html_e( 'Try my other plugins!', 'autoptimize' ); ?></a></li>
    </ul>
    </div>
    <?php } ?>
    <div style="margin-left:10px;margin-top:-5px;">
        <h2>
            <?php esc_html_e( 'Autoptimize news', 'autoptimize' ); ?>
        </h2>
        <div id="futtta_feed">
            <div id="autoptimizefeed">
                <?php $this->get_futtta_feeds( 'http://feeds.feedburner.com/futtta_autoptimize' ); ?>
            </div>
        </div>
    </div>
    <?php if ( apply_filters( 'autoptimize_filter_show_partner_tabs', true ) ) { ?>
    <div style="float:right;margin:50px 15px;"><a href="https://blog.futtta.be/2013/10/21/do-not-donate-to-me/" target="_blank"><img width="100px" height="85px" src="<?php echo plugins_url() . '/' . plugin_basename( dirname( __FILE__ ) ) . '/external/do_not_donate_smallest.png'; ?>" title="<?php esc_html_e( 'Do not donate for this plugin!', 'autoptimize' ); ?>"></a></div>
    <?php } ?>
</div>
<script type="text/javascript">
    jQuery(document).ready(function() {
        check_ini_state();

jQuery('.autoptimize_banner').unslider({autoplay:true, delay:3500, infinite: false, arrows:{prev:'<a class="unslider-arrow prev"></a>', next:'<a class="unslider-arrow next"></a>'}}).fadeTo("slow",1).show();

jQuery( "#autoptimize_html" ).change(function() {
            if (this.checked) {
                jQuery(".html_sub:visible").fadeTo("fast",1);
            } else {
                jQuery(".html_sub:visible").fadeTo("fast",.33);
            }
        });

jQuery( "#autoptimize_js" ).change(function() {
            if (this.checked) {
                jQuery(".js_sub:visible").fadeTo("fast",1);
            } else {
                jQuery(".js_sub:visible").fadeTo("fast",.33);
            }
        });

jQuery( "#autoptimize_js_aggregate" ).change(function() {
            if (this.checked && jQuery("#autoptimize_js").prop('checked')) {
                jQuery( "#autoptimize_js_defer_not_aggregate" ).prop( 'checked', false ); // uncheck "defer not aggregate"
                jQuery( ".js_aggregate_master:visible" ).fadeTo( 'slow', 1 ); // ungrey self
                jQuery( ".js_aggregate" ).show( 'slow' ); // show sub-items
                jQuery( ".js_not_aggregate_master:visible" ).fadeTo( 'slow', .33 ); // grey out "not aggregate"
                jQuery( ".js_not_aggregate" ).hide( 'slow' ); // hide not aggregate sub-items
                jQuery( "#min_excl_row" ).show(); // make sure "minify excluded" is visible
                check_exclusions( "js", "on" );
            } else {
                jQuery( ".js_aggregate" ).hide( 'slow' ); // hide sub-itmes
                jQuery( ".js_not_aggregate_master:visible" ).fadeTo( 'slow', 1 ); // un-grey-out "not aggregate"
                if ( jQuery( "#autoptimize_css_aggregate" ).prop( 'checked' ) == false ) { // hide "minify excluded"
                    jQuery( "#min_excl_row" ).hide();
                }
                check_exclusions( "js", "off" );
            }
        });

jQuery( "#autoptimize_js_defer_not_aggregate" ).change(function() {
            if (this.checked && jQuery("#autoptimize_js").prop('checked')) {
                jQuery( "#autoptimize_js_aggregate" ).prop( 'checked', false ); // uncheck "aggregate JS"
                jQuery( ".js_not_aggregate_master:visible" ).fadeTo( 'slow', 1 ); // ungrey self
                jQuery( ".js_not_aggregate" ).show( 'slow'); // show sub-items
                jQuery( ".js_aggregate_master:visible" ).fadeTo( 'slow', .33 ); // grey out "aggregate"
                jQuery( ".js_aggregate" ).hide( 'slow' ); // hide aggregate sub-items
                check_exclusions( "js", "off" );
            } else {
                jQuery( ".js_not_aggregate" ).hide( 'slow' ); // hide sub-items
                jQuery( ".js_aggregate_master:visible" ).fadeTo( 'slow', 1 ); // un-grey-out "aggregate"
            }
        });

jQuery( "#autoptimize_css" ).change(function() {
            if (this.checked) {
                jQuery(".css_sub:visible").fadeTo("fast",1);
            } else {
                jQuery(".css_sub:visible").fadeTo("fast",.33);
            }
        });

jQuery( "#autoptimize_css_aggregate" ).change(function() {
            if (this.checked && jQuery("#autoptimize_css").prop('checked')) {
                jQuery(".css_aggregate:visible").fadeTo("fast",1);
                jQuery( "#min_excl_row" ).show();
                check_exclusions( "css", "on" );
            } else {
                jQuery(".css_aggregate:visible").fadeTo("fast",.33);
                if ( jQuery( "#autoptimize_js_aggregate" ).prop('checked') == false ) {
                    jQuery( "#min_excl_row" ).hide();
                }
                check_exclusions( "css", "off" );
            }
        });

jQuery( "#autoptimize_css_inline" ).change(function() {
            if (this.checked) {
                jQuery("#autoptimize_css_defer").prop("checked",false);
                jQuery("#autoptimize_css_defer_inline").hide("slow");
            }
        });

jQuery( "#autoptimize_css_defer" ).change(function() {
            if (this.checked) {
                jQuery("#autoptimize_css_inline").prop("checked",false);
                jQuery("#autoptimize_css_defer_inline").show("slow");
            } else {
                jQuery("#autoptimize_css_defer_inline").hide("slow");
            }
        });

jQuery( "#autoptimize_enable_site_config" ).change(function() {
            if (this.checked) {
                jQuery("li.itemDetail:not(.multiSite)").fadeTo("fast",.33);
            } else {
                jQuery("li.itemDetail:not(.multiSite)").fadeTo("fast",1);
            }
        });
    })

// validate cdn_url.
    var cdn_url=document.getElementById("cdn_url");
    cdn_url_baseCSS=cdn_url.style.cssText;
    if ("validity" in cdn_url) {
        jQuery("#cdn_url").focusout(function (event) {
        if (cdn_url.validity.valid) {
            cdn_url.style.cssText=cdn_url_baseCSS;
        } else {
            cdn_url.style.cssText=cdn_url_baseCSS+"border:1px solid #f00;color:#f00;box-shadow: 0 0 2px #f00;";
        }});
    }

function check_exclusions( what, state ) {
        exclusion_node = 'input[name="autoptimize_' + what + '_exclude"]';
        current_exclusion = jQuery( exclusion_node ).val();

if ( what == "js" ) {
            default_exclusion = ", wp-includes/js/dist/, wp-includes/js/tinymce/, js/jquery/jquery.min.js";
        } else if ( what == "css")  {
            default_exclusion = ", admin-bar.min.css, dashicons.min.css, wp-content/cache/, wp-content/uploads/";
        }

default_in_current = current_exclusion.indexOf(default_exclusion);

if ( state == "on" && default_in_current == -1 ) {
            jQuery( exclusion_node ).val( current_exclusion + default_exclusion );
        } else if ( state = "off" && current_exclusion == default_exclusion ) {
            jQuery( exclusion_node ).val( "" );
        } else if ( state = "off" && default_in_current != -1 ) {
            new_exclusion = current_exclusion.substring( 0, default_in_current) + current_exclusion.substring( default_in_current + default_exclusion.length, current_exclusion.length );
            jQuery( exclusion_node ).val( new_exclusion );
        }
    }
</script>
</div>

<?php
    }

public function addmenu()
    {
        $_my_name = apply_filters( 'autoptimize_filter_settings_is_pro', false ) ? esc_html__( 'Autoptimize Pro', 'autoptimize' ) : esc_html__( 'Autoptimize', 'autoptimize' );

global $title;
        if ( empty( $title ) && true === autoptimizeUtils::is_ao_settings() ) {
            $title = $_my_name;
        }

if ( is_multisite() && is_network_admin() && autoptimizeOptionWrapper::is_ao_active_for_network() ) {
            // multisite, network admin, ao network activated: add normal settings page at network level.
            $hook = add_submenu_page( 'settings.php', esc_html__( 'Autoptimize Options', 'autoptimize' ), $_my_name, 'manage_network_options', 'autoptimize', array( $this, 'show_config' ) );
        } elseif ( is_multisite() && ! is_network_admin() && autoptimizeOptionWrapper::is_ao_active_for_network() && 'on' !== autoptimizeOptionWrapper::get_option( 'autoptimize_enable_site_config' ) ) {
            // multisite, ao network activated, not network admin so site specific settings, but "autoptimize_enable_site_config" is off: show "sorry, ask network admin" message iso options.
            $hook = add_options_page( esc_html__( 'Autoptimize Options', 'autoptimize' ), $_my_name, 'manage_options', 'autoptimize', array( $this, 'show_network_message' ) );
        } else {
            // default: show normal options page if not multisite, if multisite but not network activated, if multisite and network activated and "autoptimize_enable_site_config" is on.
            $hook = add_options_page( esc_html__( 'Autoptimize Options', 'autoptimize' ), $_my_name, 'manage_options', 'autoptimize', array( $this, 'show_config' ) );
        }

add_action( 'admin_print_scripts-' . $hook, array( $this, 'autoptimize_admin_scripts' ) );
        add_action( 'admin_print_styles-' . $hook, array( $this, 'autoptimize_admin_styles' ) );
    }

public function autoptimize_admin_scripts()
    {
        wp_enqueue_script( 'unslider', plugins_url( '/external/js/unslider.min.js', __FILE__ ), array( 'jquery' ), AUTOPTIMIZE_PLUGIN_VERSION, true );
    }

public function autoptimize_admin_styles()
    {
        wp_enqueue_style( 'unslider', plugins_url( '/external/js/unslider.css', __FILE__ ), null, AUTOPTIMIZE_PLUGIN_VERSION );
        wp_enqueue_style( 'unslider-dots', plugins_url( '/external/js/unslider-dots.css', __FILE__ ), null, AUTOPTIMIZE_PLUGIN_VERSION );
    }

public function registersettings() {
        register_setting( 'autoptimize', 'autoptimize_html' );
        register_setting( 'autoptimize', 'autoptimize_html_keepcomments' );
        register_setting( 'autoptimize', 'autoptimize_html_minify_inline' );
        register_setting( 'autoptimize', 'autoptimize_enable_site_config' );
        register_setting( 'autoptimize', 'autoptimize_js' );
        register_setting( 'autoptimize', 'autoptimize_js_aggregate' );
        register_setting( 'autoptimize', 'autoptimize_js_defer_not_aggregate' );
        register_setting( 'autoptimize', 'autoptimize_js_defer_inline' );
        register_setting( 'autoptimize', 'autoptimize_js_exclude' );
        register_setting( 'autoptimize', 'autoptimize_js_trycatch' );
        register_setting( 'autoptimize', 'autoptimize_js_justhead' );
        register_setting( 'autoptimize', 'autoptimize_js_forcehead' );
        register_setting( 'autoptimize', 'autoptimize_js_include_inline' );
        register_setting( 'autoptimize', 'autoptimize_css' );
        register_setting( 'autoptimize', 'autoptimize_css_aggregate' );
        register_setting( 'autoptimize', 'autoptimize_css_exclude' );
        register_setting( 'autoptimize', 'autoptimize_css_justhead' );
        register_setting( 'autoptimize', 'autoptimize_css_datauris' );
        register_setting( 'autoptimize', 'autoptimize_css_defer' );
        register_setting( 'autoptimize', 'autoptimize_css_defer_inline' );
        register_setting( 'autoptimize', 'autoptimize_css_inline' );
        register_setting( 'autoptimize', 'autoptimize_css_include_inline' );
        register_setting( 'autoptimize', 'autoptimize_cdn_url' );
        register_setting( 'autoptimize', 'autoptimize_cache_clean' );
        register_setting( 'autoptimize', 'autoptimize_cache_nogzip' );
        register_setting( 'autoptimize', 'autoptimize_optimize_logged' );
        register_setting( 'autoptimize', 'autoptimize_optimize_checkout' );
        register_setting( 'autoptimize', 'autoptimize_minify_excluded' );
        register_setting( 'autoptimize', 'autoptimize_cache_fallback' );
        register_setting( 'autoptimize', 'autoptimize_enable_meta_ao_settings' );
        register_setting( 'autoptimize', 'autoptimize_installed_before_compatibility' );
    }

public function setmeta( $links, $file = null )
    {
        // Inspired on http://wpengineer.com/meta-links-for-wordpress-plugins/.
        // Do it only once - saves time.
        static $plugin;
        if ( empty( $plugin ) ) {
            $plugin = plugin_basename( AUTOPTIMIZE_PLUGIN_DIR . 'autoptimize.php' );
        }

if ( null === $file ) {
            // 2.7 and lower.
            $settings_link = sprintf( '<a href="options-general.php?page=autoptimize">%s</a>', esc_html__( 'Settings' ) );
            array_unshift( $links, $settings_link );
        } else {
            // 2.8 and higher.
            // If it's us, add the link.
            if ( $file === $plugin ) {
                $newlink = array( sprintf( '<a href="options-general.php?page=autoptimize">%s</a>', esc_html__( 'Settings' ) ) );
                $links   = array_merge( $links, $newlink );
            }
        }

return $links;
    }

/**
     * Provides the default options.
     *
     * @return array
     */
    public static function get_defaults()
    {
        static $config = array(
            'autoptimize_html'                           => 1,
            'autoptimize_html_keepcomments'              => 0,
            'autoptimize_html_minify_inline'             => 0,
            'autoptimize_enable_site_config'             => 1,
            'autoptimize_js'                             => 1,
            'autoptimize_js_aggregate'                   => 0,
            'autoptimize_js_defer_not_aggregate'         => 1,
            'autoptimize_js_defer_inline'                => 1,
            'autoptimize_js_exclude'                     => '',
            'autoptimize_js_trycatch'                    => 0,
            'autoptimize_js_justhead'                    => 0,
            'autoptimize_js_include_inline'              => 0,
            'autoptimize_js_forcehead'                   => 0,
            'autoptimize_css'                            => 1,
            'autoptimize_css_aggregate'                  => 0,
            'autoptimize_css_exclude'                    => '',
            'autoptimize_css_justhead'                   => 0,
            'autoptimize_css_include_inline'             => 0,
            'autoptimize_css_defer'                      => 0,
            'autoptimize_css_defer_inline'               => '',
            'autoptimize_css_inline'                     => 0,
            'autoptimize_css_datauris'                   => 0,
            'autoptimize_cdn_url'                        => '',
            'autoptimize_cache_nogzip'                   => 1,
            'autoptimize_optimize_logged'                => 1,
            'autoptimize_optimize_checkout'              => 0,
            'autoptimize_minify_excluded'                => 1,
            'autoptimize_cache_fallback'                 => 1,
            'autoptimize_enable_meta_ao_settings'        => 1,
            'autoptimize_installed_before_compatibility' => 0,
        );

return $config;
    }

/**
     * Returns default option values for autoptimizeExtra.
     *
     * @return array
     */
    public static function get_ao_extra_default_options()
    {
        $defaults = array(
            'autoptimize_extra_checkbox_field_1' => '0',
            'autoptimize_extra_checkbox_field_0' => '0',
            'autoptimize_extra_radio_field_4'    => '1',
            'autoptimize_extra_text_field_2'     => '',
            'autoptimize_extra_text_field_3'     => '',
            'autoptimize_extra_text_field_7'     => '',
            'autoptimize_extra_checkbox_field_8' => '0',
        );

return $defaults;
    }

/**
     * Returns default option values for autoptimizeExtra.
     *
     * @return array
     */
    public static function get_ao_imgopt_default_options()
    {
        $defaults = array(
            'autoptimize_imgopt_checkbox_field_1' => '0', // imgopt off.
            'autoptimize_imgopt_select_field_2'   => '2', // quality glossy.
            'autoptimize_imgopt_checkbox_field_3' => '0', // lazy load off.
            'autoptimize_imgopt_checkbox_field_4' => '0', // avif off (might be removed).
            'autoptimize_imgopt_text_field_5'     => '',  // lazy load exclusions empty.
            'autoptimize_imgopt_text_field_6'     => '',  // optimization exclusions empty.
            'autoptimize_imgopt_number_field_7'   => '2', // lazy load from nth image (0 = lazyload all).
        );
        return $defaults;
    }

/**
     * Returns preload JS onload handler.
     *
     * @param string $media media attribute value the JS to use.
     *
     * @return string
     */
    public static function get_ao_css_preload_onload( $media = 'all' )
    {
        $preload_onload = apply_filters( 'autoptimize_filter_css_preload_onload', "this.onload=null;this.media='" . $media . "';" );
        return $preload_onload;
    }

public function get( $key )
    {
        if ( ! is_array( $this->config ) ) {
            // Default config.
            $config = self::get_defaults();

// Override with user settings.
            foreach ( array_keys( $config ) as $name ) {
                $conf = autoptimizeOptionWrapper::get_option( $name );
                if ( false !== $conf ) {
                    // It was set before!
                    $config[ $name ] = $conf;
                }
            }

// Save for next call.
            $this->config = apply_filters( 'autoptimize_filter_get_config', $config );
        }

if ( isset( $this->config[ $key ] ) ) {
            return $this->config[ $key ];
        }

return false;
    }

private function get_futtta_feeds( $url ) {
        if ( $this->settings_screen_do_remote_http ) {
            $rss      = fetch_feed( $url );
            $maxitems = 0;

if ( ! is_wp_error( $rss ) ) {
                $maxitems  = $rss->get_item_quantity( 7 );
                $rss_items = $rss->get_items( 0, $maxitems );
            }
            ?>
            <ul>
                <?php if ( 0 == $maxitems ) : ?>
                    <li><?php esc_html_e( 'No items', 'autoptimize' ); ?></li>
                <?php else : ?>
                    <?php foreach ( $rss_items as $item ) : ?>
                        <li>
                            <a href="<?php echo esc_url( $item->get_permalink() ); ?>"
                                <?php // translators: the variable contains a date. ?>
                                title="<?php printf( esc_html__( 'Posted %s', 'autoptimize' ), $item->get_date( 'j F Y | g:i a' ) ); ?>">
                                <?php echo esc_html( $item->get_title() ); ?>
                            </a>
                        </li>
                    <?php endforeach; ?>
                <?php endif; ?>
            </ul>
        <?php
        }
    }

static function ao_admin_tabs()
    {
        // based on http://wordpress.stackexchange.com/a/58826 .
        $tabs        = apply_filters( 'autoptimize_filter_settingsscreen_tabs', array( 'autoptimize' => esc_html__( 'JS, CSS  &amp; HTML', 'autoptimize' ) ) );
        $tab_content = '';
        $tabs_count  = count( $tabs );
        if ( $tabs_count > 1 ) {
            if ( isset( $_GET['page'] ) ) {
                $current_id = $_GET['page'];
            } else {
                $current_id = 'autoptimize';
            }
            $tab_content .= '<h2 class="nav-tab-wrapper">';
            foreach ( $tabs as $tab_id => $tab_name ) {
                if ( $current_id == $tab_id ) {
                    $class = ' nav-tab-active';
                } else {
                    $class = '';
                }
                $tab_content .= '<a class="nav-tab' . $class . '" href="?page=' . $tab_id . '">' . $tab_name . '</a>';
            }
            $tab_content .= '</h2>';
        } else {
            $tab_content = '<hr/>';
        }

return $tab_content;
    }

/**
     * Returns true if in admin (and not in admin-ajax.php!)
     *
     * @return bool
     */
    public static function is_admin_and_not_ajax()
    {
        return ( is_admin() && ! self::doing_ajax() );
    }

/**
     * Returns true if doing ajax.
     *
     * @return bool
     */
    protected static function doing_ajax()
    {
        if ( function_exists( 'wp_doing_ajax' ) ) {
            return wp_doing_ajax();
        }
        return ( defined( 'DOING_AJAX' ) && DOING_AJAX );
    }

/**
     * Returns true menu or tab is to be shown.
     *
     * @return bool
     */
    public static function should_show_menu_tabs() {
        if ( ! is_multisite() || is_network_admin() || 'on' === autoptimizeOptionWrapper::get_option( 'autoptimize_enable_site_config' ) || false === autoptimizeOptionWrapper::is_ao_active_for_network() ) {
            return true;
        } else {
            return false;
        }
    }

/**
     * Returns the post meta AO settings for reuse in different optimizers.
     *
     * @param string $optim What optimization we need meta setting for.
     *
     * @return bool
     */
    public static function get_post_meta_ao_settings( $optim ) {
        if ( ! autoptimizeConfig::is_ao_meta_settings_active() ) {
            // Per page/post settings not active, so always return true (as in; can be optimized).
            if ( in_array( $optim, apply_filters( 'autoptimize_filter_meta_inactive_return_false_for', array( 'ao_post_preload' ) ) ) ) {
                // but make sure to return false for text input.
                return false;
            }
            return true;
        }

static $_meta_value = null;
        if ( null === $_meta_value ) {
            global $wp_query;
            if ( isset( $wp_query ) ) {
                $_meta_value = get_post_meta( get_the_ID(), 'ao_post_optimize', true );
            } else {
                $_meta_value = false;
            }
        }

// If autoptimize_post_optimize !== 'on' (except for ao_post_preload, which can have other values) then always return false as all is off.
        // fixme: need unit tests to ensure below logic is sane!
        if ( empty( $_meta_value ) || ! is_array( $_meta_value ) ) {
            // no metabox values so all optimizations are a go.
            if ( in_array( $optim, apply_filters( 'autoptimize_filter_meta_optim_nonbool', array( 'ao_post_preload' ) ) ) ) {
                // but make sure to return false for text input.
                return false;
            }
            return true;
        } else if ( array_key_exists( 'ao_post_optimize', $_meta_value ) && 'on' !== $_meta_value['ao_post_optimize'] ) {
            // ao entirely off for this page.
            return false;
        } else if ( in_array( $optim, apply_filters( 'autoptimize_filter_meta_optim_with_filters', array() ) ) ) {
            // if an $optim is registered as having a filter, apply filter and return that (default false).
            return apply_filters( 'autoptimize_filter_meta_filtered_optim', false, $optim, $_meta_value );
        } else if ( array_key_exists( $optim, $_meta_value ) && empty( $_meta_value[ $optim ] ) ) {
            // sub-optimization off for this page.
            return false;
        } else if ( array_key_exists( $optim, $_meta_value ) && 'on' === $_meta_value[ $optim ] ) {
            // sub-optimization is explictly on.
            return true;
        } else if ( array_key_exists( $optim, $_meta_value ) && in_array( $optim, array( 'ao_post_preload' ) ) && ! empty( $_meta_value[ $optim ] ) ) {
            // a non-bool metabox optimization (currently only preload field), return value instead of bool.
            return $_meta_value[ $optim ];
        } else if ( in_array( $optim, array( 'ao_post_preload' ) ) && ( ! array_key_exists( $optim, $_meta_value ) || empty( $_meta_value[ $optim ] ) ) ) {
            // a non-bool metabox optimization not found or empty, so returning false.
            return false;
        } else {
            // when in doubt "go" for optimization, but this should never happen?
            if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
                error_log( 'AO meta box logic fallback; well, how did I get here? Maybe this helps: looking for ' . $optim . ' in ' . json_encode( $_meta_value ) );
            }
            return true;
        }
    }

/**
     * Are the post meta AO settings active (default: no)?
     *
     * @return bool
     */
    public static function is_ao_meta_settings_active() {
        static $_meta_settings_active = null;

if ( null === $_meta_settings_active ) {
            $_meta_settings_active = apply_filters( 'autoptimize_filter_enable_meta_ao_settings', autoptimizeOptionWrapper::get_option( 'autoptimize_enable_meta_ao_settings', '1' ) );
        }

return $_meta_settings_active;
    }
}