php-parser/lib/PhpParser/Node/Arg.php

<?php

namespace PhpParser\Node;

use PhpParser\NodeAbstract;

/**
 * @property Expr $value Value to pass
 * @property bool $byRef Whether to pass by ref
 */
class Arg extends NodeAbstract
{
    /**
     * Constructs a function call argument node.
     *
     * @param Expr  $value      Value to pass
     * @param bool  $byRef      Whether to pass by ref
     * @param array $attributes Additional attributes
     */
    public function __construct(Expr $value, $byRef = false, array $attributes = array()) {
        parent::__construct(
            array(
                'value' => $value,
                'byRef' => $byRef
            ),
            $attributes
        );
    }
}