如何将PHP字符串与二进制数据相互转换？
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本文共计85个文字，预计阅读时间需要1分钟。
php
header("charset=utf-8;"); function StrToBin($str){ //1.列出每个字符 $arr = preg_split('/(?<!^)(?!$)/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('', $arr); } echo StrToBin("aaaccc天空"); echo BinToStr('1100001 1100001 1100001 1100011 1100011 1100011 111001011010010010101001 111001111010100110111010');
本文共计85个文字，预计阅读时间需要1分钟。
php
header("charset=utf-8;"); function StrToBin($str){ //1.列出每个字符 $arr = preg_split('/(?<!^)(?!$)/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); } echo StrToBin("aaaccc天空"); echo BinToStr('1100001 1100001 1100001 1100011 1100011 1100011 111001011010010010101001 111001111010100110111010');