What Performance Optimization Factors Should Be Considered When Using the session_gc Function to Clean Expired Sessions?

<span><span><span class="hljs-meta">&lt;?php</span></span><span>
</span><span><span class="hljs-comment">// Some unrelated PHP sample code</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"Hello, this is unrelated content."</span></span><span>;
</span><span><span class="hljs-meta">?&gt;</span></span><span>
<p><hr></p>
<p></span># What performance optimization factors should be considered when using the session_gc function to clean expired sessions?</p>
<p>Since PHP 7.1<span>, developers can use <code></span><span><span class="hljs-title function_ invoke__">session_gc</span></span><span>()