int getInitialByteSize(
)
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Returns the number of bytes which should be read to start each character.
For fixed width character sets this should be the number of octets-per-character. For multibyte character sets this will probably be 1.
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int validateByteSequence(
int[]
$bytes,
$size)
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Returns an integer which specifies how many more bytes to read.
A positive integer indicates the number of more bytes to fetch before invoking this method again. A value of zero means this is already a valid character. A value of -1 means this cannot possibly be a valid character.
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Parameters:
