Compute reversed Diff.
SYNOPSIS:
$diff = new Diff($lines1, $lines2); $rev = $diff->reverse();
object A Diff object representing the inverse of the original diff.
function reverse() {
$rev = $this;
$rev->edits = array();
foreach ($this->edits as $edit) {
$rev->edits[] = $edit
->reverse();
}
return $rev;
}