^^&&^^

Edit File: controls.php

<?php
if ( ! defined( 'ABSPATH' ) ) exit;

$settings  = $this->get();
$locales   = $this->langs->locales();
$path      = str_replace('\\','/', ABSPATH);
$url       = site_url();
$type      = (isset($_GET['status']) && !empty($_GET['status']) ? intval($_GET['status']) : '' );
$message   = ($type == '2') ? 'Unable to save settings.' : 'Settings updated successfully.';
$roles     = $this->wpUserRoles();
$cm_themes = class_fma_main::cm_themes();
?>
<?php echo class_fma_admin_menus::shortcodeUpdateNotice();?>
<div class="wrap fma" style="background:#fff; padding: 20px; border:1px solid #ccc;">
    <h3>
        <?php _e('Settings','file-manager-advanced'); ?>
        <?php if(!class_exists('file_manager_advanced_shortcode')) { ?>
            <a
                href="https://advancedfilemanager.com/pricing/?utm_source=plugin&utm_medium=settings_screen_top_button&utm_campaign=plugin"
                class="button button-primary"
                target="_blank"
                style="margin-left: 25px;"
            >
                <?php _e('Get Advanced File Manager Pro','file-manager-advanced')?>
            </a>
        <?php } ?>
        <a
            href="https://advancedfilemanager.com/documentation/"
            class="button"
            target="_blank"
            style="margin-left: 25px;"
        >
            <?php _e('Documentation','file-manager-advanced'); ?>
        </a>
    </h3>

<p style="width:100%; text-align:right;" class="description">
<span id="thankyou"><?php _e('Thank you for using <a href="https://wordpress.org/plugins/file-manager-advanced/">File Manager Advanced</a>. If happy then ','file-manager-advanced')?>
<a href="https://wordpress.org/support/plugin/file-manager-advanced/reviews/?filter=5"><?php _e('Rate Us','file-manager-advanced')?> <img src="<?php echo plugins_url( 'images/5stars.png', __FILE__ );?>" style="width:100px; top: 11px; position: relative;"></a></span>
</p>
<?php $this->save(); 
 if(isset($type) && !empty($type)) {
	 if($type == '1') { ?>
        <div class="updated notice">
		  <p><?php echo esc_attr( $message ) ?></p>
		</div>
	<?php } else if($type == '2') { ?>
		<div class="error notice">
		  <p><?php echo esc_attr( $message ) ?></p>
		</div>
	<?php }
 }
?>
<form action="<?php echo admin_url('admin.php?page=file_manager_advanced_controls');?>" method="post">
<?php wp_nonce_field( 'fmaform', '_fmaform' ); ?>
<table class="form-table">
<tbody>
<tr>
<th>
<?php _e('Who can access File Manager?', 'file-manager-advanced');?>
</th>
<td>
<?php 
unset($roles['administrator']); ?>
<?php if(is_multisite()): 
		$checked = '';
		if(isset($settings['fma_user_roles'])):
		if(in_array('administrator', $settings['fma_user_roles'])) {
		   $checked = 'checked=checked';
		}
		endif;
	?>
<input type="checkbox" value="superadmin" name="fma_user_role[]" checked="checked" disabled="disabled" /> <?php _e('Super Admin (Default)','file-manager-advanced');?> <br/>
<input type="checkbox" value="administrator" name="fma_user_role[]" <?php echo esc_attr($checked); ?> /> <?php _e('Administrator','file-manager-advanced');?> <br/>
<?php else : ?>
<input type="checkbox" value="administrator" name="fma_user_role[]" checked="checked" disabled="disabled" /> <?php _e('Administrator (Default)','file-manager-advanced');?> <br/>
<?php endif; ?>
<?php
foreach($roles as $key => $role) { 
	$checked = '';
	if(isset($settings['fma_user_roles'])):
	if(in_array($key, $settings['fma_user_roles'])) {
       $checked = 'checked=checked';
	}
	endif;
	?>
<input type="checkbox" value="<?php echo esc_attr($key);?>" name="fma_user_role[]" <?php echo esc_attr($checked); ?> /> <?php echo esc_attr($role['name']);?> <br/>
<?php } ?>
</td>

</tr>

<?php
                $themes = array(
                    'light'     => array(
                        'title' => __( 'Default', 'file-manager-advanced' ),
                        'pro'   => false,
                    ),
                    'mono'      => array(
                        'title' => __( 'Mono', 'file-manager-advanced' ),
                        'pro'   => false,
                    ),
                    'dark'      => array(
                        'title' => __( 'Material Dark', 'file-manager-advanced' ),
                        'pro'   => true,
                    ),
                    'm-light'   => array(
                        'title' => __( 'Material Light', 'file-manager-advanced' ),
                        'pro'   => true,
                    ),
                    'grey'      => array(
                        'title' => __( 'Material Grey', 'file-manager-advanced' ),
                        'pro'   => true,
                    ),
                    'windows10' => array(
                        'title' => __( 'Windows 10', 'file-manager-advanced' ),
                        'pro'   => true,
                    ),
                    'bootstrap' => array(
                        'title' => __( 'Bootstrap', 'file-manager-advanced' ),
                        'pro'   => true,
                    ),
                );
            ?>

<select class="file-manager-advanced-select2 fma-theme regular-text" name="fma_theme" id="fma_theme">
                <?php foreach ( $themes as $value => $theme ) : ?>
                    <?php $disabled = $theme['pro'] && ! class_fma_main::has_pro() ? 'disabled="disabled"' : ''; ?>
                    <?php $selected = isset( $settings['fma_theme'] ) && $settings['fma_theme'] === $value ? 'selected="selected"' : ''; ?>

<?php printf( '<option value="%s" %s %s>%s</option>', $value, $disabled, $selected, $theme['title'] ); ?>
                <?php endforeach; ?>
            </select>
            <p class="description"><?php _e('Select file manager advanced theme. Default: Light','file-manager-advanced')?></p>
        </td>
    </tr>

<tr>
<th><?php _e('Language','file-manager-advanced')?></th>
<td>
<select name="fma_locale" id="fma_locale">
<?php foreach($locales as $key => $locale) { ?>
<option value="<?php echo esc_attr($locale);?>" <?php echo (isset($settings['fma_locale']) && $settings['fma_locale'] == $locale) ? 'selected="selected"' : '';?>><?php echo esc_attr($key);?></option>
<?php } ?>
</select>
<p class="description"><?php _e('Select file manager advanced language. Default: en (English)','file-manager-advanced');?></p>
</td>
</tr>
<tr>
<th><?php _e('Public Root Path','file-manager-advanced')?></th>
<td>
<input name="public_path" type="text" id="public_path" value="<?php echo isset($settings['public_path']) && !empty($settings['public_path']) ? esc_attr($settings['public_path']) : esc_attr($path);?>" class="regular-text">
<p class="description"><?php _e('File Manager Advanced Root Path, you can change according to your choice.','file-manager-advanced');?></p>
<p>Default: <code><?php echo esc_attr($path);?></code></p>
</td>
</tr>
<tr>
<th><?php _e('Files URL','file-manager-advanced')?></th>
<td>
<input name="public_url" type="text" id="public_url" value="<?php echo isset($settings['public_url']) && !empty($settings['public_url']) ? esc_url($settings['public_url']) : esc_url($url);?>" class="regular-text">
<p class="description"><?php _e('File Manager Advanced Files URL, you can change according to your choice.','file-manager-advanced');?></p>
<p>Default: <code><?php echo esc_url($url);?></code></p>
</td>
</tr>
<tr>
<th><?php _e('Maximum Upload Size','file-manager-advanced')?></th>
<td>
<input type="text" name="upload_max_size" id="upload_max_size" class="regular-text" value="<?php echo isset($settings['upload_max_size']) && !empty($settings['upload_max_size']) ? esc_attr($settings['upload_max_size']) : 0;?>">
<div>
<p>
<?php _e('Maximum upload file size. This size is per files. Can be set as number with unit like 10M, 500K, 1G. 0 means unlimited upload.','file-manager-advanced');?>
</p>
</div>
</td>
</tr>
<tr>
<th><?php _e('Default View Type','file-manager-advanced')?></th>
<td>
<?php
    foreach(FMA_UI as $ui) {
		$checked = '';
		if(isset($settings['display_ui_options'])) {
			if(in_array($ui, $settings['display_ui_options'])) {
			  $checked = 'checked=checked';
			}
		} else {
			$checked = 'checked=checked';	
		}
	?>
<input type="checkbox" value="<?php echo esc_attr($ui);?>" name="display_ui_options[]" <?php echo esc_attr($checked); ?> /> <?php echo esc_attr($ui);?> <br/>
<?php } ?>
 <p><?php _e('You can control the view of file manager. By default, all options are checked.','file-manager-advanced');?></p>
</td>
</tr>
<tr>
<th><?php _e('Hide File Path on Preview ?','file-manager-advanced');
?></th>
<td>
<input name="hide_path" type="checkbox" id="hide_path" value="1" <?php echo isset($settings['hide_path']) && ($settings['hide_path'] == '1') ? 'checked="checked"' : '';?>>
<p class="description"><?php _e('Hide real path of file on preview.','file-manager-advanced')?></p>
<p>Default: <code><?php _e('Disabled','file-manager-advanced')?></code></p>
</td>
</tr>
<tr>
<th><?php _e('Enable Trash?','file-manager-advanced');
?></th>
<td>
<input name="enable_trash" type="checkbox" id="enable_trash" value="1" <?php echo isset($settings['enable_trash']) && ($settings['enable_trash'] == '1') ? 'checked="checked"' : '';?>>
<p class="description"><?php _e('Deleted files will go to trash folder, you can restore later.','file-manager-advanced')?></p>
<p>Default: <code><?php _e('Disabled','file-manager-advanced')?></code></p>
</td>
</tr>
<tr>
<th><?php _e('Display .htaccess?','file-manager-advanced');
?></th>
<td>
<input name="enable_htaccess" type="checkbox" id="enable_htaccess" value="1" <?php echo isset($settings['enable_htaccess']) && ($settings['enable_htaccess'] == '1') ? 'checked="checked"' : '';?>>
<p class="description"><?php _e('Will Display .htaccess file (if exists) in file manager.','file-manager-advanced')?></p>
<p>Default: <code><?php _e('Disabled','file-manager-advanced')?></code></p>
</td>
</tr>
<tr>
<th><?php _e('Mimetypes allowed to upload','file-manager-advanced')?></th>
<td>
<textarea name="fma_upload_allow" id="fma_upload_allow" class="large-text"  rows="3" cols="30"><?php echo isset($settings['fma_upload_allow']) && !empty($settings['fma_upload_allow']) ? esc_attr($settings['fma_upload_allow']) : 'all';?></textarea>	
<p class="description"><?php _e('Enter Mimetypes allowed to upload, multiple comma(,) separated. Example: <code>image/vnd.adobe.photoshop,image/png</code>','file-manager-advanced')?></p>
<p>Default: <code><?php _e('all','file-manager-advanced')?></code> <a href="https://advancedfilemanager.com/advanced-file-manager-mime-types/" target="_blank"><?php _e('MIME Types Help', 'file-manager-advanced'); ?></a></p>
</td>
</tr>

<tr>
        <th>
            <label for="fma_cm_theme">
                <?php _e('Code Editor Theme <sup style="color:red;">New</sup>','file-manager-advanced')?>
            </label>
        </th>
        <td>
            <select class="file-manager-advanced-select2 regular-text fma-code-editor-theme" name="fma_cm_theme" id="fma_cm_theme">
                <?php foreach ( $cm_themes as $theme ) : ?>
                    <?php $selected = isset( $settings['fma_cm_theme'] ) && $settings['fma_cm_theme'] === $theme['title'] ? 'selected="selected"' : ''; ?>
                    <?php $disabled = $theme['pro'] && ! class_fma_main::has_pro() ? 'disabled="disabled"' : ''; ?>

<?php printf( '<option value="%s" %s %s>%s</option>', $theme['title'], $selected, $disabled, $theme['title'] ); ?>
                <?php endforeach; ?>
            </select>
            <p class="description"><?php _e('Select code editor theme. Default: default','file-manager-advanced')?></p>
        </td>
    </tr>

</tbody>
</table>
<p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="Save Changes"></p>
</form>
</div>