<?php
use PhpParser\ParserFactory;
require __DIR__ . "/vendor/autoload.php";
$graphviz = false;
list($fileName, $code) = getCode($argc, $argv);
$parser = new PHPCfg\Parser((new ParserFactory())->create(ParserFactory::PREFER_PHP7));
$declarations = new PHPCfg\Visitor\DeclarationFinder();
$calls = new PHPCfg\Visitor\CallFinder();
$variables = new PHPCfg\Visitor\VariableFinder();
$traverser = new PHPCfg\Traverser();
$traverser->addVisitor($declarations);
$traverser->addVisitor($calls);
$traverser->addVisitor(new PHPCfg\Visitor\Simplifier());
$traverser->addVisitor($variables);
$script = $parser->parse($code, __FILE__);
$traverser->traverse($script);
if ($graphviz) {
$dumper = new PHPCfg\Printer\GraphViz();
echo $dumper->printScript($script);
} else {
$dumper = new PHPCfg\Printer\Text();
echo $dumper->printScript($script);
}
function getCode($argc, $argv)
{
if ($argc >= 2) {
if (strpos($argv[1], '<?php') === 0) {
return ['command line code', $argv[1]];
} else {
return [$argv[1], file_get_contents($argv[1])];
<?php
require "vendor/autoload.php";
use PhpParser\ParserFactory;
$parser = new PHPCfg\Parser((new ParserFactory())->create(ParserFactory::PREFER_PHP7));
$declarations = new PHPCfg\Visitor\DeclarationFinder();
$calls = new PHPCfg\Visitor\CallFinder();
$variables = new PHPCfg\Visitor\VariableFinder();
$traverser = new PHPCfg\Traverser();
$traverser->addVisitor($declarations);
$traverser->addVisitor($calls);
$traverser->addVisitor(new PHPCfg\Visitor\Simplifier());
$traverser->addVisitor($variables);
$code = <<<'EOF'
<?php
function foo(array $a) {
$a[] = 1;
}
EOF;
$block = $parser->parse($code, __FILE__);
$traverser->traverse($block);
$dumper = new PHPCfg\Printer\Text();
echo $dumper->printCFG(array($block));