original_string: protected function _escape_str($str)
  	{
  		// Escape the string
  		$str = $this->conn_id->quote($str);
  
  		// If there are duplicated quotes, trim them away
  		return ($str[0] === "'")
  			? substr($str, 1, -1)
  			: $str;
  	}
code: protected function _escape_str($str)
  	{
  		// Escape the string
  		$str = $this->conn_id->quote($str);
  
  		// If there are duplicated quotes, trim them away
  		return ($str[0] === "'")
  			? substr($str, 1, -1)
  			: $str;
  	}
code_tokens: protected function _escape_str ( $ str ) { // Escape the string $ str = $ this -> conn_id -> quote ( $ str ) ; // If there are duplicated quotes, trim them away return ( $ str [ 0 ] === "'" ) ? substr ( $ str , 1 , - 1 ) : $ str ; }
docstring: Platform-dependant string escape
  
  @param	string
  @return	string
docstring_tokens: Platform - dependant string escape