How to convert Chinese to byte in php

php method to convert Chinese into byte: 1. Create a PHP sample file; 2. Convert Chinese into byte array through the "function stringToByteArray($str,$charset) {...}" method. Can.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php How to convert Chinese to byte?

php Chinese character byte array conversion

<?php
function stringToByteArray($str,$charset) {
 
    $str = iconv($charset,&#39;UTF-16&#39;,$str);
    preg_match_all(&#39;/(.)/s&#39;,$str,$bytes);  //注：本文的盗版已经有了。不过，提示一下读者，这里的正则改了。
    $bytes=array_map(&#39;ord&#39;,$bytes[1]) ;
    return $bytes;
 
}
 
function byteArrayToString($bytes,$charset) {
 
    $bytes=array_map(&#39;chr&#39;,$bytes);
    $str=implode(&#39;&#39;,$bytes);
    $str = iconv(&#39;UTF-16&#39;,$charset,$str);
    return $str;
 
}
 
$byteArray=stringToByteArray(&#39;13亿人口大国，自认为精通PHP的还是相当多的！&#39;,&#39;utf-8&#39;);
print_r($byteArray);
$retStr=byteArrayToString($byteArray,&#39;utf-8&#39;);
echo $retStr;
 
?>

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