Datastore.class.php

<?php
/*
 * Datastore class
 * for working with flat file data.
 * */
class Datastore {
	
	public function __construct() {
	}
	
	public function read_file( $file ) {
		$file = './' . $file;
		if ( !file_exists( $file ) ) {
			return false;
		}
		return file_get_contents( $file );
	}

	public function save_file($relativepath, $contents, $append = false ) {
		$parts = explode('/', $relativepath);
		$file = array_pop($parts);
		$dir = '.';
		foreach($parts as $part) {
			if(!is_dir($dir .= '/' . $part)) {
				$oldumask = umask(0);
				mkdir($dir, 0777);
				umask($oldumask);
			}
		}
		file_put_contents($dir . '/' . $file, $contents, ($append?FILE_APPEND:0);
	}

}