PatelUtkarsh/index.php

## index.php
<?php
/**
 * DOM Operations Benchmark Test
 *
 * Comparing PHP 8.4 DOM vs WP_HTML_Tag_Processor
 */

class DOMBenchmark {
	private const SAMPLE_HTML = <<<HTML
        <main>
            <article>First Article</article>
            <article class="featured">Second Article</article>
            <article class="featured special">Third Article</article>
            <div class="container">
                <article class="nested featured">Nested Article</article>
            </div>
        </main>
    HTML;

	private const ITERATIONS = 100000;
	private $results = [];

	/**
	 * PHP 8.4 DOM Implementation
	 */
	public function benchmarkPHP84DOM() {
		$startTime = microtime( true );
		$successEl = [];

		for ( $i = 0; $i < self::ITERATIONS; $i ++ ) {
			try {
				$dom = \Dom\HTMLDocument::createFromString(
					self::SAMPLE_HTML,
					LIBXML_NOERROR
				);

				// Test various DOM operations
				$lastArticle = $dom->querySelector( 'main > article:last-of-type' );
				$successEl[] = $lastArticle?->classList->contains( 'special' );
			}
			catch ( Exception $e ) {
				// Handle older PHP versions
				$this->results['PHP84_DOM']['error'] = $e->getMessage();

				return;
			}
		}

		$endTime                    = microtime( true );
		$this->results['PHP84_DOM'] = [
			'time'       => ( $endTime - $startTime ),
			'iterations' => self::ITERATIONS,
			'success'    => $successEl
		];
	}

	/**
	 * WP_HTML_Tag_Processor Implementation
	 */
	public function benchmarkWordPressDOM() {
		$startTime = microtime( true );
		$success   = [];

		require_once __DIR__ . '/class-wp-html-tag-processor.php';
		require_once __DIR__ . '/class-wp-html-attribute-token.php';
		require_once __DIR__ . '/class-wp-html-decoder.php';
		require_once __DIR__ . '/class-wp-html-span.php';

		for ( $i = 0; $i < self::ITERATIONS; $i ++ ) {
			// Use WP_HTML_Tag_Processor instead of DOMDocument
			$processor = new WP_HTML_Tag_Processor( self::SAMPLE_HTML );
			$bookmark  = 'maybe-last-article';
			while ( $processor->next_tag( 'article' ) ) {
				// Without using special class.
				if ( ! $processor->has_class( 'nested' ) ) {
					if ( $processor->has_bookmark( $bookmark ) ) {
						$processor->release_bookmark( $bookmark );
					}
					$processor->set_bookmark( $bookmark );
				}
			}
			$processor->seek( $bookmark );
			$success[] = $processor->has_class( 'special' );
		}


		$endTime                 = microtime( true );
		$this->results['WP_DOM'] = [
			'time'       => ( $endTime - $startTime ),
			'iterations' => self::ITERATIONS,
			'success'    => $success
		];
	}

	/**
	 * Run the benchmark
	 */
	public function run() {
		echo "Starting DOM Operations Benchmark...\n";

		// Run PHP 8.4 DOM benchmark
		echo "Running PHP 8.4 DOM benchmark...\n";
		$this->benchmarkPHP84DOM();

		// Run WordPress DOM benchmark
		echo "Running WordPress DOM benchmark...\n";
		$this->benchmarkWordPressDOM();

		// Display results
		$this->displayResults();
	}

	/**
	 * Display benchmark results
	 */
	private function displayResults() {
		echo "\nBenchmark Results:\n";
		echo str_repeat( "-", 50 ) . "\n";

		foreach ( $this->results as $type => $data ) {
			if ( isset( $data['error'] ) ) {
				echo "$type: Error - {$data['error']}\n";
				continue;
			}

			if ( array_unique( $data['success'] ) !== [ true ] ) {
				echo "$type: All featured articles are false\n";
				continue;
			}

			$timePerOperation = ( $data['time'] / $data['iterations'] ) * 1000; // Convert to milliseconds

			echo "$type:\n";
			echo "Total Time: " . number_format( $data['time'], 4 ) . " seconds\n";
			echo "Iterations: {$data['iterations']}\n";
			echo "Average Time per Operation: " . number_format( $timePerOperation, 4 ) . " ms\n";
			echo str_repeat( "-", 50 ) . "\n";
		}

		// Write which is faster and by how much %.
		$php84Time = $this->results['PHP84_DOM']['time'];
		$wpTime    = $this->results['WP_DOM']['time'];

		$percentFaster = ( ( $wpTime - $php84Time ) / $wpTime ) * 100;
		$percentFaster = number_format( $percentFaster, 2 );

		$faster = $php84Time < $wpTime ? 'PHP 8.4 DOM' : 'WordPress DOM';
		echo "$faster is faster by ~$percentFaster%\n";

	}
}

// Run the benchmark
$benchmark = new DOMBenchmark();
$benchmark->run();
	<?php
	/**
	* DOM Operations Benchmark Test
	*
	* Comparing PHP 8.4 DOM vs WP_HTML_Tag_Processor
	*/

	class DOMBenchmark {
	private const SAMPLE_HTML = <<<HTML
	<main>
	<article>First Article</article>
	<article class="featured">Second Article</article>
	<article class="featured special">Third Article</article>
	<div class="container">
	<article class="nested featured">Nested Article</article>
	</div>
	</main>
	HTML;

	private const ITERATIONS = 100000;
	private $results = [];

	/**
	* PHP 8.4 DOM Implementation
	*/
	public function benchmarkPHP84DOM() {
	$startTime = microtime( true );
	$successEl = [];

	for ( $i = 0; $i < self::ITERATIONS; $i ++ ) {
	try {
	$dom = \Dom\HTMLDocument::createFromString(
	self::SAMPLE_HTML,
	LIBXML_NOERROR
	);

	// Test various DOM operations
	$lastArticle = $dom->querySelector( 'main > article:last-of-type' );
	$successEl[] = $lastArticle?->classList->contains( 'special' );
	}
	catch ( Exception $e ) {
	// Handle older PHP versions
	$this->results['PHP84_DOM']['error'] = $e->getMessage();

	return;
	}
	}

	$endTime = microtime( true );
	$this->results['PHP84_DOM'] = [
	'time' => ( $endTime - $startTime ),
	'iterations' => self::ITERATIONS,
	'success' => $successEl
	];
	}

	/**
	* WP_HTML_Tag_Processor Implementation
	*/
	public function benchmarkWordPressDOM() {
	$startTime = microtime( true );
	$success = [];

	require_once __DIR__ . '/class-wp-html-tag-processor.php';
	require_once __DIR__ . '/class-wp-html-attribute-token.php';
	require_once __DIR__ . '/class-wp-html-decoder.php';
	require_once __DIR__ . '/class-wp-html-span.php';

	for ( $i = 0; $i < self::ITERATIONS; $i ++ ) {
	// Use WP_HTML_Tag_Processor instead of DOMDocument
	$processor = new WP_HTML_Tag_Processor( self::SAMPLE_HTML );
	$bookmark = 'maybe-last-article';
	while ( $processor->next_tag( 'article' ) ) {
	// Without using special class.
	if ( ! $processor->has_class( 'nested' ) ) {
	if ( $processor->has_bookmark( $bookmark ) ) {
	$processor->release_bookmark( $bookmark );
	}
	$processor->set_bookmark( $bookmark );
	}
	}
	$processor->seek( $bookmark );
	$success[] = $processor->has_class( 'special' );
	}


	$endTime = microtime( true );
	$this->results['WP_DOM'] = [
	'time' => ( $endTime - $startTime ),
	'iterations' => self::ITERATIONS,
	'success' => $success
	];
	}

	/**
	* Run the benchmark
	*/
	public function run() {
	echo "Starting DOM Operations Benchmark...\n";

	// Run PHP 8.4 DOM benchmark
	echo "Running PHP 8.4 DOM benchmark...\n";
	$this->benchmarkPHP84DOM();

	// Run WordPress DOM benchmark
	echo "Running WordPress DOM benchmark...\n";
	$this->benchmarkWordPressDOM();

	// Display results
	$this->displayResults();
	}

	/**
	* Display benchmark results
	*/
	private function displayResults() {
	echo "\nBenchmark Results:\n";
	echo str_repeat( "-", 50 ) . "\n";

	foreach ( $this->results as $type => $data ) {
	if ( isset( $data['error'] ) ) {
	echo "$type: Error - {$data['error']}\n";
	continue;
	}

	if ( array_unique( $data['success'] ) !== [ true ] ) {
	echo "$type: All featured articles are false\n";
	continue;
	}

	$timePerOperation = ( $data['time'] / $data['iterations'] ) * 1000; // Convert to milliseconds

	echo "$type:\n";
	echo "Total Time: " . number_format( $data['time'], 4 ) . " seconds\n";
	echo "Iterations: {$data['iterations']}\n";
	echo "Average Time per Operation: " . number_format( $timePerOperation, 4 ) . " ms\n";
	echo str_repeat( "-", 50 ) . "\n";
	}

	// Write which is faster and by how much %.
	$php84Time = $this->results['PHP84_DOM']['time'];
	$wpTime = $this->results['WP_DOM']['time'];

	$percentFaster = ( ( $wpTime - $php84Time ) / $wpTime ) * 100;
	$percentFaster = number_format( $percentFaster, 2 );

	$faster = $php84Time < $wpTime ? 'PHP 8.4 DOM' : 'WordPress DOM';
	echo "$faster is faster by ~$percentFaster%\n";

	}
	}

	// Run the benchmark
	$benchmark = new DOMBenchmark();
	$benchmark->run();