HaruEncoder::getByteType
(PECL haru >= 0.0.1)
HaruEncoder::getByteType — Get the type of the byte in the text
说明
HaruEncoder::getByteType (
string
$text
,
int $index
) :
int
Get the type of the byte in the text.
参数
-
text
-
The text.
-
index
-
The position in the text.
返回值
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.
错误/异常
发生错误时抛出 HaruException 异常。