Examples of conversions between PHP binaries and strings

You are welcome to learn the conversion between PHP binary and string! The problem is certainly a lot of friends in the concern, want to know the friend can look at.

This article mainly introduces the PHP binary and the conversion between the strings of teaching, the need for friends can come to understand.

The PHP code is as follows:

<?php header ("content-type:text/html;　　Charset=utf-8 "); /** * Converts a string into binary * @param type $STR * @return Type */function Strtobin ($str) {//1. list each character $arr = Preg_split ('/(? < ;! ^)(?!　　$)/U ', $str);　　2.unpack character foreach ($arr as & $v) {$temp = unpack (' h* ', $v); $v = Base_convert ($temp [1], 16, 2);　　Unset ($temp);　　} return join (' ', $arr);　　}/** * Binary converted to String * @param type $STR * @return Type */function Bintostr ($str) {$arr = Explode (", $str);　　foreach ($arr as & $v) {$v = Pack ("H". Strlen (Base_convert ($v, 2, +)), Base_convert ($v, 2, 16));　　} return join (' ', $arr);　　} Echo Strtobin ("PHP two times Development: www.php2.cc");;　　Echo ' <br/> '; Echo bintostr ("1110000 1101000 1110000 111001001011101010001100 111001101010110010100001 111001011011110010000000 111001011000111110010001 111011111011110010011010 1110111 1110111 1110111 101110 1110000 1101000 1110000 110010 101110 11 00011 1100011 ");

Summary: The above is the entire content of this article, I hope to be able to help you learn.