PHP二進位與字串之間的相互轉換
[代碼]php代碼:
header("Content-type: text/html; charset=utf-8");
/**
* 將字串轉換成二進位
* @param type $str
* @return type
*/
function StrToBin($str){
//1.列出每個字元
$arr = preg_split('/(?
//2.unpack字元
foreach($arr as &$v){
$temp = unpack('H*', $v); $v = base_convert($temp[1], 16, 2);
unset($temp);
}
return join(' ',$arr);
}
/**
* 講二進位轉換成字串
* @param type $str
* @return type
*/
function BinToStr($str){
$arr = explode(' ', $str);
foreach($arr as &$v){
$v = pack("H".strlen(base_convert($v, 2, 16)), base_convert($v, 2, 16));
}
return join('', $arr);
}
echo StrToBin("php二次開發:www.php2.cc");;
echo '
';
echo BinToStr("1110000 1101000 1110000 111001001011101010001100 111001101010110010100001 111001011011110010000000 111001011000111110010001 111011111011110010011010 1110111 1110111 1110111 101110 1110000 1101000 1110000 110010 101110 1100011 1100011");
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