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<?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 |
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<!-- | |
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; |