function after($output) { $output .= "<p style=\"text-align: center; color: grey;\"> memory usage " . size_to_str(memory_get_peak_usage(true)) . " at peak </p>"; return $output; }
<div id="main-content" style="margin: 20px auto; text-align: center;"> <h1>PHP Memory Usage Example</h1> <p class="memory">Current memory usage is [ <strong><?php echo size_to_str(memory_get_peak_usage(true)); ?> </strong> ].</h2> <p>Refresh your browser <br> — <kbd>Cmd + r</kbd> (Mac) or <kbd>F5</kbd> (Windows) — <br> quickly <strong>20 times and more</strong> and you'll see the memory usage remaining stable. </p> <style type="text/css" media="screen"> p.memory { font-size: 200%; } p.memory strong { color: red; } </style> </div>