字串轉二進位制 php
阿新 • • 發佈:2018-12-20
//字串轉二進位制
header("charset=utf-8;"); function StrToBin($str){ //列出每個字元 $arr = preg_split('/(?<!^)(?!$)/u', $str); //unpack字元 foreach($arr as &$v){ $temp = unpack('H*', $v); $v = base_convert($temp[1], 16, 2); unset($temp); } return join(' ',$arr); }
1.二進位制轉字串
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("aaaccc天空"); echo "\<br>"; echo BinToStr('1100001 1100001 1100001 1100011 1100011 1100011 111001011010010010101001 111001111010100110111010'); 引進:https://www.oschina.net/code/snippet_1780998_52893