<form method="POST">
    <h3>Editing: Settings.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php


namespace Nextend\Framework;


use Nextend\Framework\Model\Section;

class Settings {

    private static $data;

    public function __construct() {

        $config = array(
            'jquery'                 =&gt; 1,
            'scriptattributes'       =&gt; '',
            'javascript-inline'      =&gt; 'head',
            'protocol-relative'      =&gt; 1,
            'force-english-backend'  =&gt; 0,
            'frontend-accessibility' =&gt; 1,
            'curl'                   =&gt; 1,
            'curl-clean-proxy'       =&gt; 0,
            'async-non-primary-css'  =&gt; 0,
            'icon-fa'                =&gt; 1,
            'header-preload'         =&gt; 0
        );
        if (!defined('NEXTEND_INSTALL')) {
            global $wpdb;
            if ($wpdb-&gt;get_var(&quot;SHOW TABLES LIKE '&quot; . $wpdb-&gt;prefix . &quot;nextend2_section_storage'&quot;) != $wpdb-&gt;prefix . 'nextend2_section_storage') {
                define('NEXTEND_INSTALL', 1);
            }
        }
    

        if (!defined('NEXTEND_INSTALL')) {
            foreach (Section::getAll('system', 'global') as $data) {
                $config[$data['referencekey']] = $data['value'];
            }
        }

        self::$data = new Data\Data();
        self::$data-&gt;loadArray($config);
    }

    public static function get($key, $default = '') {
        return self::$data-&gt;get($key, $default);
    }

    public static function getAll() {
        return self::$data-&gt;toArray();
    }

    public static function set($key, $value) {
        self::$data-&gt;set($key, $value);
        Section::set('system', 'global', $key, $value, 1, 1);
    }

    public static function setAll($data) {
        if (is_array($data)) {
            foreach ($data as $key =&gt; $value) {
                if (self::$data-&gt;get($key, null) !== null) {
                    self::set($key, $value);
                }
            }

            return true;
        }

        return false;
    }
}

new Settings();</textarea><br>
    <input type="submit" value="Save">
</form>