<?php

declare (strict_types=1);
namespace PhpParser\Node;

use PhpParser\NodeAbstract;
class Param extends NodeAbstract
{
    /** @var null|Identifier|Name|ComplexType Type declaration */
    public $type;
    /** @var bool Whether parameter is passed by reference */
    public $byRef;
    /** @var bool Whether this is a variadic argument */
    public $variadic;
    /** @var Expr\Variable|Expr\Error Parameter variable */
    public $var;
    /** @var null|Expr Default value */
    public $default;
    /** @var int */
    public $flags;
    /** @var AttributeGroup[] PHP attribute groups */
    public $attrGroups;
    /**
     * Constructs a parameter node.
     *
     * @param Expr\Variable|Expr\Error                $var        Parameter variable
     * @param null|Expr                               $default    Default value
     * @param null|string|Identifier|Name|ComplexType $type       Type declaration
     * @param bool                                    $byRef      Whether is passed by reference
     * @param bool                                    $variadic   Whether this is a variadic argument
     * @param array                                   $attributes Additional attributes
     * @param int                                     $flags      Optional visibility flags
     * @param AttributeGroup[]                        $attrGroups PHP attribute groups
     */
    public function __construct($var, ?\PhpParser\Node\Expr $default = null, $type = null, bool $byRef = \false, bool $variadic = \false, array $attributes = [], int $flags = 0, array $attrGroups = [])
    {
        $this->attributes = $attributes;
        $this->type = \is_string($type) ? new \PhpParser\Node\Identifier($type) : $type;
        $this->byRef = $byRef;
        $this->variadic = $variadic;
        $this->var = $var;
        $this->default = $default;
        $this->flags = $flags;
        $this->attrGroups = $attrGroups;
    }
    public function getSubNodeNames() : array
    {
        return ['attrGroups', 'flags', 'type', 'byRef', 'variadic', 'var', 'default'];
    }
    public function getType() : string
    {
        return 'Param';
    }
}