This shows you the differences between two versions of the page.
uphp:functions:unpack [2019/12/20 09:36] admin |
uphp:functions:unpack [2021/09/13 05:57] |
||
---|---|---|---|
Line 1: | Line 1: | ||
- | ======unpack====== | ||
- | < | ||
- | |||
- | < | ||
- | |||
- | ====Description==== | ||
- | |||
- | <well size=" | ||
- | <span style=" | ||
- | <span style=" | ||
- | <span style=" | ||
- | <span style=" | ||
- | <span style=" | ||
- | <span style=" | ||
- | <span style=" | ||
- | </ | ||
- | |||
- | < | ||
- | |||
- | ====Parameters==== | ||
- | |||
- | < | ||
- | ^ Value ^ Description | ||
- | | l | signed long (always 32 bit, machine byte order) | ||
- | | L | unsigned long (always 32 bit, machine byte order) | ||
- | | f | floating point(always 32 bit, machine byte order) | ||
- | | c | signed byte | | ||
- | | C | unsigned byte | | ||
- | |||
- | < | ||
- | |||
- | ====Return Values==== | ||
- | |||
- | < | ||
- | |||
- | ====Example==== | ||
- | |||
- | <code php> | ||
- | <? | ||
- | v=-1234; | ||
- | $str=pack(" | ||
- | print(" | ||
- | for ($i=0; | ||
- | $c=charat($str, | ||
- | printf(" | ||
- | } | ||
- | |||
- | |||
- | print(" | ||
- | $v=unpack(" | ||
- | |||
- | print($v); | ||
- | ?> | ||
- | </ | ||
- | |||
- | ====See Also==== | ||
- | |||
- | [[pack()]] - Pack a binary string |