怎样避免在使用 rawurldecode 解码时出现字符丢失的问题？实用方法解析

<span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// 以下为文章无关的PHP代码示例</span></span><span>
</span><span><span class="hljs-function"><span class="hljs-keyword">function</span></span></span><span> </span><span><span class="hljs-title">greet</span></span><span>(</span><span><span class="hljs-params"><span class="hljs-variable">$name</span></span></span><span>) {
    </span><span><span class="hljs-keyword">return</span></span><span> </span><span><span class="hljs-string">"Hello, "</span></span><span> . </span><span><span class="hljs-variable">$name</span></span><span> . </span><span><span class="hljs-string">"!"</span></span><span>;
}

</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-title function_ invoke__">greet</span></span><span>(</span><span><span class="hljs-string">"Reader"</span></span><span>);

</span><span><span class="hljs-meta">?></span></span><span>

<hr>

</span><span><span class="hljs-meta"><?php</span></span><span>
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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h1>怎样避免在使用 rawurldecode 解码时出现字符丢失的问题？实用方法解析</h1>"</span></span><span>;

</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<p>在 PHP 开发中，<code>rawurldecode

\$decoded = rawurldecode(\$encoded);
\$encoding = mb_detect_encoding(\$decoded, 'UTF-8, ISO-8859-1', true);
if (\$encoding != 'UTF-8') {
    \$decoded = mb_convert_encoding(\$decoded, 'UTF-8', \$encoding);
}
echo \$decoded;