Online PHP editor | refs for Zi9Jc

<?php // String manipulation (explode and manual comparison) $sstart = microtime(true); for ($i = 0; $i < 100000; $i++) { $uri = 'user/123'; $segments = explode('/', $uri); if ($segments[0] === 'user' && is_numeric($segments[1])) { $id = $segments[1]; } } $string = (microtime(true) - $sstart); echo 'String manipulation: ' . $string . ' seconds'.PHP_EOL; // Regex equivalent $rstart = microtime(true); for ($i = 0; $i < 100000; $i++) { $uri = 'user/123'; if (preg_match('#^user/(\d+)$#', $uri, $matches)) { $id = $matches[1]; } } $regex = (microtime(true) - $rstart); echo 'Regex: ' . $regex . ' seconds'.PHP_EOL; echo 'Diff: '.((($regex - $string) / $string) * 100).'%';