xenogenesi

<?php

/**
 * Fancy ID generator that creates 20-character string identifiers with the following properties:
 *
 * 1. They're based on timestamp so that they sort *after* any existing ids.
 * 2. They contain 72-bits of random data after the timestamp so that IDs won't collide with other clients' IDs.
 * 3. They sort *lexicographically* (so the timestamp is converted to characters that will sort properly).
 * 4. They're monotonically increasing.  Even if you generate more than one in the same timestamp, the
 *    latter ones will sort after the former ones.  We do this by using the previous random bits

xenogenesi

    <!--
        Usage:
        <relative-path from="${from}" to="${to}"
            output="project_property" />
    -->
    <adhoc-task name="relative-path"><![CDATA[
        class RelativePath extends Task {
            private $from;
            private $to;
            private $output;