Distinguish property with implicit resp. explicit public visibility

gistfile1.php

<?php

require './vendor/autoload.php';

// The code samples to parse.

// => bool(false)
$code = '<?php class Foo {public $bar;}';

// => bool(true)
$code = '<?php class Foo {var $bar;}';


function isImplicitlyPublicProperty(array $tokens, PhpParser\Node\Stmt\Property $prop) {
    $i = $prop->getAttribute('startOffset');
    return isset($tokens[$i]) && $tokens[$i][0] == T_VAR;
}

class MyNodeVisitor extends PhpParser\NodeVisitorAbstract
{
    public function leaveNode(PhpParser\Node $node) {
        global $tokens;

        if ($node instanceof PhpParser\Node\Stmt\Property) {
            var_dump(isImplicitlyPublicProperty($tokens, $node));
        }
    }
}

// We need this special lexer
class LexerWithTokenOffsets extends PhpParser\Lexer {
    public function getNextToken(&$value = null, &$startAttributes = null, &$endAttributes = null) {
        $tokenId = parent::getNextToken($value, $startAttributes, $endAttributes);
        $startAttributes['startOffset'] = $endAttributes['endOffset'] = $this->pos;
        return $tokenId;
    }
}

// HACK to get token list, which we need for isImplicitlyPublicProperty.
// There must be a better way.
$tokens = token_get_all($code);

$parser = new PhpParser\Parser(new LexerWithTokenOffsets());
$traverser = new PhpParser\NodeTraverser();
$traverser->addVisitor(new MyNodeVisitor());

try {
    $stmts = $parser->parse($code);
    $stmts = $traverser->traverse($stmts);
} catch (PhpParser\Error $e) {
    echo 'Parse Error: ', $e->getMessage();
}