function TaxRatesTranslator_main()
{
$obj = new TaxRatesTranslator(empty($_POST['input']) ? "abc" : $_POST['input']);
$obj->parse();
$TaxArray = $obj->getTaxList();
echo "\n<br>";
print_r($TaxArray);
}
function isTaxFormulaSetCyclic($tax_name_id__to__formula, $source_tax_name_id)
{
loadCoreFile('tax_formula_translator.php');
//VIII.1.( 6)
//Create a graph. Vertexes are $tax_name_id. Arcs are directed relations
// between vertexes, taken from tax-formulae.
$tax_names = modApiFunc("Taxes", "getTaxNamesList");
//Graph vertex:
$V = array();
//Graph arcs:
$ADJ = array();
$ADJinfo = array();
foreach ($tax_names as $tax_name) {
$V[] = (int) $tax_name["Id"];
$ADJ[(int) $tax_name["Id"]] = array();
$ADJinfo[(int) $tax_name["Id"]] = array();
}
//Graph arcs:
//In the graph arcs is stored additional information: which tax formula contains
// this arc. It is necessary to show, which formulae the cycle (not arcs)
// consists of.
foreach ($tax_name_id__to__formula as $vertex_id => $vertex_info) {
// //Add a vertex, if it still doesn't exist. There should be no
// //iterations.
// if(!in_array($vertex_id, $V))
// {
// $V[] = $vertex_id;
// }
//Add all arcs.
//Parse the formula.
$trans = new TaxRatesTranslator($vertex_info['formula']);
$trans->parse();
$ADJ[$vertex_id] = $trans->getTaxList();
$ADJinfo[$vertex_id] = array("formula_id" => $vertex_info['formula_id']);
}
loadCoreFile('directed_graph.php');
$graph = new DirectedGraph($V, $ADJ);
if ($graph->hasCycleFromGivenSource($source_tax_name_id, $cycle)) {
//It's necessary to restore formulae, which in this case
// (i.e. depending on state and tax_class) match
// specified arcs in the graph.
$cycle_with_tax_info = array();
//Suppose cycle is correct ring
$previous_vertex_in_cycle = $cycle[sizeof($cycle) - 1]['tax_name_id'];
$i = 0;
for (; $i < sizeof($cycle); $i++) {
$vertex = $cycle[$i];
$vertex_with_tax_info = array("tax_name_id" => $vertex, "formula_id" => $ADJinfo[$vertex]['formula_id'], "child_tax_name_id" => $previous_vertex_in_cycle);
$cycle_with_tax_info[] = $vertex_with_tax_info;
$previous_vertex_in_cycle = $vertex;
//formula_id in this case formula_id is a formula id, which
//is used up to the next vertex in the cycle.
}
$cycle = $cycle_with_tax_info;
return $cycle_with_tax_info;
//true;
} else {
return false;
}
}