php-parser/lib/PhpParser/Node/Scalar/EncapsedStringPart.php

<?php

namespace PhpParser\Node\Scalar;

use PhpParser\Node\Scalar;

class EncapsedStringPart extends Scalar
{
    /** @var string String value */
    public $value;

    /**
     * Constructs a node representing a string part of an encapsed string.
     *
     * @param string $value      String value
     * @param array  $attributes Additional attributes
     */
    public function __construct(string $value, array $attributes = []) {
        parent::__construct($attributes);
        $this->value = $value;
    }

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