code: public function getContent()
  	{
  		$strContent = file_get_contents($this->strRootDir . '/' . ($this->strTmp ?: $this->strFile));
  
  		// Remove BOMs (see #4469)
  		if (strncmp($strContent, "\xEF\xBB\xBF", 3) === 0)
  		{
  			$strContent = substr($strContent, 3);
  		}
  		elseif (strncmp($strContent, "\xFF\xFE", 2) === 0)
  		{
  			$strContent = substr($strContent, 2);
  		}
  		elseif (strncmp($strContent, "\xFE\xFF", 2) === 0)
  		{
  			$strContent = substr($strContent, 2);
  		}
  
  		return $strContent;
  	}
docs: Return the file content as string
  
  @return string The file content without BOM