Форум

$eventManager = \Bitrix\Main\EventManager::getInstance();$eventManager->addEventHandler('iblock', 'OnBeforeIBlockSectionAdd', array('clInit', 'OnBeforeIBlockSectionAddHandler'));
$eventManager->addEventHandler('iblock', 'OnBeforeIBlockSectionUpdate', array('clInit', 'OnBeforeIBlockSectionAddHandler'));
class clInit{
function OnBeforeIBlockSectionAddHandler(&$arFields)   {
      if(strlen($arFields["DESCRIPTION"])>0
         && strpos($arFields["DESCRIPTION"],"<img")!==false
      )
      {
         $pattern2="/(alt|src|title|width|height|align)=(\"|')(.+?)(\"|')/si";
         $pattern="/<img([^>]*)\/?>/si";
         preg_match_all($pattern,$arFields["DESCRIPTION"],$matches);

         foreach($matches[1] as $k=>$image){
            preg_match_all($pattern2,$image,$Attrmatches);
            $attributes=array();
            foreach($Attrmatches[1] as $kT=>$Tmp){
               $attributes[$Tmp]=$Attrmatches[3][$kT];
            }
            $modifiedImages[$matches[0][$k]]=$attributes;
         }

         if(!empty($modifiedImages)){
            foreach ($modifiedImages as $image=>$attributes) {
               if(strpos($attributes['src'],"://")!==false){
                  $arFile = \CFile::MakeFileArray($attributes['src']);
                  if(!empty($arFile)){
                     $fid = \CFile::SaveFile(array_merge($arFile,['MODULE_ID'=>'iblock']),'iblock');

                     if(intval($fid)>0){
                        $src = \CFile::GetPath($fid);
                        if(file_exists($_SERVER['DOCUMENT_ROOT'].$src)){
                           $arFields['DESCRIPTION'] = str_replace($attributes['src'],$src,$arFields['DESCRIPTION']);

                        }
                     }
                  }
               }
            }
         }

      }
   }
}