From Start to Finish: How to Fully Manage PHP Output Buffering with ob_start and ob_end_clean

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</span><span><span class="hljs-comment">// Title: From Start to Finish: How to Fully Manage PHP Output Buffering with ob_start and ob_end_clean</span></span><span>
<p></span>// This article mainly introduces managing output buffering in PHP, especially the combined use of ob_start and ob_end_clean.<br>
// Note: The following content is the main body of the article, separated from the example code above by a horizontal line.</p>
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<p><h1>From Start to Finish: How to Fully Manage PHP Output Buffering with ob_start and ob_end_clean</h1></p>
<p><p>In PHP development, output buffering is a frequently overlooked yet highly practical feature. It allows developers to store output in a buffer during script execution rather than sending it immediately to the browser. This not only provides more flexible control over output but also helps resolve common issues, such as the "headers already sent" error.</p></p>
<p data-is-last-node="" data-is-only-node=""><h2>1. Why Use Output Buffering?</h2><br>
<p>Under normal circumstances, when PHP encounters <code>echo<span>