GENEALOGY()

Complexity

Conditions	18
Paths	2324

Size

Total Lines	82
Code Lines	60

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
function GENEALOGY()
{
    global $IDs, $fathers, $mothers, $inds, $nb_gen, $nb_maxi, $nbani, $nl, $sql1;
    $impr       = 0;
    $fathers[0] = $IDs[1];
    $mothers[0] = $IDs[2];
    $fathers[1] = 0;
    $mothers[1] = 0;
    $fathers[2] = 0;
    $mothers[2] = 0;
    $last       = 2;
    if ($impr) {
        echo "<!-- genealogy 'de cujus' (gener. 0) : $IDs[0] = $IDs[1] x $IDs[2] -->$nl";
    }
    $generation = [$IDs[1], $IDs[2]]; // starting with first generation (sire and dam)
    $nbtot      = 0; // count of total known ascendants within $nb_gen generations
    for ($nloop = 1, $tot = 2; $last <= $nb_maxi && $nloop <= $nb_gen; ++$nloop) {
        $nbtot      += $tot; // count of total known ascendants within $nb_gen generations
        $nbani      = $last; // count of    distinct ascendants within $nb_gen generations
        $list       = implode(',', array_unique($generation));
        $generation = [];
        $tot        = 0;
        if ($impr) {
            echo "    [$list]$nl";
        }

        // HERE IS FETCHED EACH TRIPLET [ID, sire_ID, dam_ID] :
        $r = $GLOBALS['xoopsDB']->queryF("$sql1 IN ($list)");
        while (false !== ($rec = $GLOBALS['xoopsDB']->fetchBoth($r))) {
            $a = $rec[0] + 0;
            $s = $rec[1] + 0;
            $d = $rec[2] + 0;
            if (!isset($a)) {
                echo "ERROR : $a = $s x $d for list = '$list'<br>\n";
            }
            if ($s) {
                ++$tot;
            }
            if ($d) {
                ++$tot;
            }
            $j           = array_keys($IDs, $a);
            $j           = $j[0];
            $fathers[$j] = $s;
            $mothers[$j] = $d;
            if ($s && !in_array($s, $IDs)) {
                $i           = ++$last;
                $IDs[$i]     = $s;
                $fathers[$i] = 0;
                $mothers[$i] = 0;
                if ($s) {
                    $generation[] = $s;
                }
            }
            if ($d && !in_array($d, $IDs)) {
                $i           = ++$last;
                $IDs[$i]     = $d;
                $fathers[$i] = 0;
                $mothers[$i] = 0;
                if ($s) {
                    $generation[] = $d;
                }
            }
            if ($impr) {
                echo "<pre>genealogy ascendant (gener. $nloop) : $a = $s x $d  [tot = $tot]$nl</pre>";
            }
        }
        if (!count($generation)) {
            break;
        }
    }

    if ($nloop <= $nb_gen) {
        $nb_gen = $nloop;
    } // tree cut by $nb_maxi !

    reset($IDs);
    $inds = array_flip($IDs);

    chrono_sort();

    return $nbtot;
}