Online PHP editor | output for Aoi63

<?php // Create a test DOMDocument $doc = new DOMDocument(); $elements = []; // Create a test DOMElement $root = $doc->createElement('root'); $doc->appendChild($root); for ($i = 0; $i < 25000; $i++) { $element = $doc->createElement('testElement'); $elements[] = $element; } echo "Memory usage: " . memory_get_usage(true) / (1024 * 1024) . " MB\n";