<span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// Some unrelated PHP code, not relevant to the main content</span></span><span>
</span><span><span class="hljs-variable">$foo</span></span><span> = </span><span><span class="hljs-string">"bar"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"Hello World!"</span></span><span>;
</span><span><span class="hljs-meta">?></span></span><span>
<p><hr></p>
<p><h1>Timing and Order Considerations When Using header_remove and </span>header() Functions</h1></p>
<p data-is-last-node="" data-is-only-node=""><p>In PHP development, <code>header<span>()