PHP gv::protonode Examples

Example #1

File: modgraph.php Project: huangynj/graphviz

#!/usr/bin/php
<?php 
include "gv.php";
# display the kernel module dependencies
# author: John Ellson <*****@*****.**>
$G = gv::digraph("G");
$N = gv::protonode($G);
$E = gv::protoedge($G);
gv::setv($G, "rankdir", "LR");
gv::setv($G, "nodesep", "0.05");
gv::setv($N, "shape", "box");
gv::setv($N, "width", "0");
gv::setv($N, "height", "0");
gv::setv($N, "margin", ".03");
gv::setv($N, "fontsize", "8");
gv::setv($N, "fontname", "helvetica");
gv::setv($E, "arrowsize", ".4");
if ($f = fopen("/proc/modules", "r")) {
    while ($rec = fgets($f)) {
        $matches = preg_split("/[\\s]+/", $rec, -1, PREG_SPLIT_NO_EMPTY);
        $n = gv::node($G, $matches[0]);
        $usedbylist = preg_split("/[,]/", $matches[3], -1, PREG_SPLIT_NO_EMPTY);
        foreach ($usedbylist as $i => $usedby) {
            if ($usedby != "-") {
                gv::edge($n, gv::node($G, $usedby));
            }
        }
    }
}
fclose($f);
gv::layout($G, "dot");