Tall rodents and low bite, what are they?

Question

What is it for pack () function in php?

I can pack a high and low nibble hex string, what's the difference?

thank

+5

hadley May 27 '12 at 12:18

1 answer

Amadan · Answer 1 · 2012-05-27T00:20:56+0000

Nibble is half a byte (0-15 or one hexadecimal digit). Low nibble is bit 0-3; high blocks are bit 4-7.