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.