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  • HaruEncoder::getByteType()

    (PECL haru >= 0.0.1)

    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。