<?php/***********本程序由云客編寫。有空的時候承接php軟件開發(fā)*滿足一下新手們的好奇心，看看UTF-8的二進制是什么樣子滴****************************/define("b", "<br>");$a = "FE";$a1 = "FF";$s = 16;$e = 2;echo $s . "進制的" . $a . "表示為" . $e . "進制是" . base_convert($a, $s, $e) . b;echo $s . "進制的" . $a1 . "表示為" . $e . "進制是" . base_convert($a1, $s, $e) . b;$str = "計算機rr我們是誰？";$strlen = strlen($str);$n = 0;echo $str.'（二進制UTF-8表示）：'.b;$str_bin='';while ($n < $strlen){  $t = ord($str[$n]);  $stra=base_convert($t, 10, 2) ;  if(strlen($stra)<8)  {    $stra="0".$stra;  }  $str_bin.=$stra;  $n++;}echo $str_bin.b;//已經(jīng)翻譯為二進制了$str_bin="1110100010101110101000011110011110101110100101111110011010011100101110100110000101110011111001101000100010010001111001001011101110101100111001101001100010101111111010001011000010000001111011111011110010011111"; //在此輸入二進制，程序編碼為明文輸出$chr='';$str='';for($i=0;$i<strlen($str_bin);$i++){  $chr.=$str_bin[$i];  if(($i+1)%8==0)  {    $str.=chr(base_convert($chr, 2, 10));    $chr=NULL;  }}echo $str;//二進制的UTF8原代碼明文?>

16進制的FE表示為2進制是1111111016進制的FF表示為2進制是11111111計算機rr我們是誰？（二進制UTF-8表示）：1110100010101110101000011110011110101110100101111110011010011100101110100111001001110010111001101000100010010001111001001011101110101100111001101001100010101111111010001011000010000001111011111011110010011111計算機as我們是誰？