pest/src/Support/Arr.php

<?php

declare(strict_types=1);

namespace Pest\Support;

/**
 * Credits: most of this class methods and implementations
 * belongs to the Arr helper of laravel/framework project
 * (https://github.com/laravel/framework).
 *
 * @internal
 */
final class Arr
{
    /**
     * @param array<mixed> $array
     * @param string|int   $key
     */
    public static function has(array $array, $key): bool
    {
        $key = (string) $key;

        if (array_key_exists($key, $array)) {
            return true;
        }

        foreach (explode('.', $key) as $segment) {
            if (is_array($array) && array_key_exists($segment, $array)) {
                $array = $array[$segment];
            } else {
                return false;
            }
        }

        return true;
    }

    /**
     * @param array<mixed> $array
     * @param string|int   $key
     * @param null         $default
     *
     * @return array|mixed|null
     */
    public static function get(array $array, $key, $default = null)
    {
        $key = (string) $key;

        if (array_key_exists($key, $array)) {
            return $array[$key];
        }

        if (strpos($key, '.') === false) {
            return $array[$key] ?? $default;
        }

        foreach (explode('.', $key) as $segment) {
            if (is_array($array) && array_key_exists($segment, $array)) {
                $array = $array[$segment];
            } else {
                return $default;
            }
        }

        return $array;
    }
}