PHP 使用 strcoll 时常见错误有哪些？未设置 locale 会有什么影响？

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标题: PHP 使用 strcoll 时常见错误有哪些？未设置 locale 会有什么影响？
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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h1>PHP 使用 strcoll 时常见错误及 locale 设置影响分析</h1>"</span></span><span>;

</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<p>在 PHP 中，<code>strcoll()