(Cake)PHP element allowing to display version information from a version.txt file along with revision if deployed with capistrano

version.ctp

<?php
/**
 * Displays information about the current version of the application
 */
	$basePath = ROOT . DS;
	$appVersion = array_fill_keys(array('version', 'revision', 'timestamp'), '');

	if (file_exists($basePath . 'version.txt')) {
		$appVersion['timestamp'] = filemtime($basePath . 'version.txt');
		$appVersion['version'] = file($basePath . 'version.txt');
		$appVersion['version'] = trim($appVersion['version'][0]);
	}

	if (file_exists($basePath . 'REVISION')) {
		$appVersion['revision'] = file_get_contents($basePath . 'REVISION');
	}
?>
	<small><?php printf('v%s (%s)', $appVersion['version'], date('d/m/Y', (int) $appVersion['timestamp'])) ?></small>
	<!-- <?php echo $appVersion['revision'] ?> -->