HaruEncoder::getByteType
(PECL haru:0.0.1)
HaruEncoder::getByteType — Get the type of the byte in the text
说明
int HaruEncoder::getByteType
( string $text
, int $index
)
Returns the type of the byte in the text on the specified position. The result is one of the following values:
- HaruEncoder::BYTE_TYPE_SINGLE - single byte character.
- HaruEncoder::BYTE_TYPE_LEAD - lead byte of a double-byte character.
- HaruEncoder::BYTE_TYPE_TRAIL - trailing byte of a double-byte character.
- HaruEncoder::BYTE_TYPE_UNKNOWN - invalid encoder or cannot detect the byte type.
参数
- text
-
The text.
- index
-
The position in the text.
错误／异常
Throws HaruException on error.
