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。

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