比如二进制字符串, 11111111111111（14个）转换成16进制byte ( FF 3F 00 00 )
又如 11 转换成 03 00 00 00
应该怎么转换，是不是要用到pack函数？求实例！！！
折腾两天了，很急，求大神
回复讨论(解决方案)
$b = '11111111111111';$d = bindec($b);$h = pack('L', $d);echo bin2hex($h); //检验一下ff3f0000
$b = '11111111111111';$d = bindec($b);$h = pack('L', $d);echo bin2hex($h); //检验一下ff3f0000 版主威武，万分感谢！！！
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