php-parser/lib/PhpParser/Node/Expr/ShellExec.php

<?php

namespace PhpParser\Node\Expr;

use PhpParser\Node\Expr;

class ShellExec extends Expr
{
    /** @var array Encapsed string array */
    public $parts;

    /**
     * Constructs a shell exec (backtick) node.
     *
     * @param array $parts      Encapsed string array
     * @param array $attributes Additional attributes
     */
    public function __construct(array $parts, array $attributes = []) {
        parent::__construct($attributes);
        $this->parts = $parts;
    }

    public function getSubNodeNames() : array {
        return ['parts'];
    }
}