* @param mixed $value Array value
* @param string $key Array key
* @param boolean $add_quotation add quotation marks for string values
* @param mixed $value Array value
* @param string $key Array key
* @param boolean $add_quotation add quotation marks for string values
*
* @param mixed $arr Array with values to be escaped
* @param boolean $add_quotation add quotation marks for string values
*
* @param mixed $arr Array with values to be escaped
* @param boolean $add_quotation add quotation marks for string values