Александр Маджугин

<div>
   <textarea ref="textarea"></textarea> 
   <span></span>
</div>

$eventManager = \Bitrix\Main\EventManager::getInstance();
$eventManager->addEventHandler('search', 'BeforeIndex', array('MySearch', 'BeforeIndex'));

class MySearch {
	public static function BeforeIndex($arFields) {
		if(intval($arFields['PARAM2']) > 0 && intval($arFields['ITEM_ID']) > 0 && isset($arFields['BODY'])) {
			\Bitrix\Main\Loader::includeModule('iblock');
			
			$dbRes = CIBlockElement::GetList(array(), array('IBLOCK_ID' => $arFields['PARAM2'], 'ID' => $arFields['ITEM_ID']), false, false, array('PROPERTY_FILE'));
			while($arRes = $dbRes->Fetch()) {
				$arFile = CFile::GetFileArray($arRes['PROPERTY_FILE_VALUE']);
				$arFields['BODY'] .= PHP_EOL.$arFile['ORIGINAL_NAME'];
			}
			
			return $arFields;
		}
	}
}

<ifModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/html text/plain text/xml application/xml application/xhtml+xml text/css text/javascript application/javascript application/x-javascript
</ifModule>

<IfModule mod_gzip.c>
	mod_gzip_on         Yes
	mod_gzip_dechunk    Yes
	mod_gzip_item_include file		\.(html?|txt|css|js|php|pl)$
	mod_gzip_item_include mime		^text\.*
	mod_gzip_item_include mime		^application/x-javascript.*
	mod_gzip_item_include mime		^application/javascript.*
	mod_gzip_item_exclude mime		^image\.*
	mod_gzip_item_exclude rspheader	^Content-Encoding:.*gzip.*
</IfModule>

<ifModule mod_headers.c>
    <filesMatch "\.(ico|jpg|jpeg|png|gif|swf)$">
        Header set Cache-Control "public"
    </filesMatch>
    <filesMatch "\.(css)$">
        Header set Cache-Control "public"
    </filesMatch>
    <filesMatch "\.(js)$">
        Header set Cache-Control "public"
    </filesMatch>
    <filesMatch "\.(x?html?|php)$">
        Header set Cache-Control "private, must-revalidate"
    </filesMatch>
</ifModule>

<ifModule mod_expires.c>
    ExpiresActive On
    ExpiresDefault "access 7 days"
    ExpiresByType image/x-icon "access plus 6 month"
    ExpiresByType image/jpeg "access plus 6 month"
	ExpiresByType image/jpg "access plus 6 month"
    ExpiresByType image/png "access plus 6 month"
    ExpiresByType image/gif "access plus 6 month"
    ExpiresByType application/x-shockwave-flash "access plus 6 month"
    ExpiresByType text/css "access plus 7504800 seconds"
    ExpiresByType text/javascript "access plus 7516000 seconds"
    ExpiresByType application/javascript "access plus 7516000 seconds"
    ExpiresByType application/x-javascript "access plus 7516000 seconds"
    ExpiresByType text/html "access plus 600 seconds"
    ExpiresByType application/xhtml+xml "access plus 600 seconds"
</ifModule>