Examples of mutual conversion between PHP binary and string-PHP Tutorial-php.cn

Examples of mutual conversion between PHP binary and string

墨辰丷

Release： 2023-03-28 20:20:02

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Welcome everyone to learn the mutual conversion between PHP binary and string here! The problem is definitely of concern to many friends. Friends who want to know more can take a look.

This article mainly introduces the mutual conversion between PHP binary and string. Friends in need can come and learn about it.

php code is as follows:

　<?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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