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                ~~~ function StrToBin($str){ //1.列出每個字符 $arr = preg_split('/(?<!^)(?!$)/u', $str); //2.unpack字符 foreach($arr as &$v){ $temp = unpack('H*', $v); $v = base_convert($temp[1], 16, 2); unset($temp); } return join(' ',$arr); } 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); } ~~~ 簡單實用 ~~~ echo StrToBin("小知識大道理"); echo BinToStr('111001011011000010001111 111001111001111110100101 111010001010111110000110 111001011010010010100111 111010011000000110010011 111001111001000010000110'); ~~~
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