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
) : intGet 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。
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