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How to convert php binary to string

Oct 07, 2020 am 12:56 AM
php binary

How to convert php binary to string: first create a PHP sample file; then convert the binary into a string through the BinToStr method; and finally output the conversion result through echo.

How to convert php binary to string

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Conversion between php binary and string

<?php
 header("Content-type: text/html; charset=utf-8");
 /**
 * 将字符串转换成二进制
 * @param type $str
 * @return type
 */
 function StrToBin($str){
 //1.列出每个字符
 $arr = preg_split(&#39;/(?<!^)(?!$)/u&#39;, $str);
 //2.unpack字符
 foreach($arr as &$v){
 $temp = unpack(&#39;H*&#39;, $v); $v = base_convert($temp[1], 16, 2);
 unset($temp);
 }
 return join(&#39; &#39;,$arr);
 }
 /**
 * 讲二进制转换成字符串
 * @param type $str
 * @return type
 */
 function BinToStr($str){
 $arr = explode(&#39; &#39;, $str);
 foreach($arr as &$v){
 $v = pack("H".strlen(base_convert($v, 2, 16)), base_convert($v, 2, 16));
 }
 return join(&#39;&#39;, $arr);
 }
 echo StrToBin("php二次开发:www.php2.cc");;
 echo &#39;<br/>&#39;;
 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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