Run the parser from Gutenberg over test documents to measure its speed

benchmark-gutenberg-php-parser.php

<?php

/**
 * Set the $RUNS and run `php -f benchmark-gutenberg-php-parser.php`
 */

// I ran this file from the `Gutenberg/lib` directory
require_once( 'parser.php' );

$RUNS = 2000;

$content = file_get_contents( 'https://pastebin.com/raw/R8Zue5kQ' );

$parser = new Gutenberg_PEG_Parser;

$tic = microtime( true );
for ( $i = 0; $i < $RUNS; $i++ ) {
		$parser->parse( $content );
}
$toc = microtime( true );

$delta = $toc - $tic;
echo "Took {$delta}s" . PHP_EOL;

$avg = $delta * 1000 / $RUNS;
echo "Took average {$avg}ms" . PHP_EOL;