PHP Decode

<?php
/**
 * @link http://github.com/seffeng/
 * @copyright Copyright (c) 2019 seffeng
 */
namespace Seffeng\LaravelSLS\Helpers;

class ArrayHelper
{
    /**
     *
     * @author zxf
     * @date    20191125
     * @param  array $array
     * @param  integer|string $key
     * @param  mixed $default
     * @return array|string
     */
    public static function getValue($array, $key, $default = null)
    {
        if ($key instanceof \Closure) {
            return $key($array, $default);
        }

        if (is_array($key)) {
            $lastKey = array_pop($key);
            foreach ($key as $keyPart) {
                $array = static::getValue($array, $keyPart);
            }
            $key = $lastKey;
        }

        if (is_array($array) && (isset($array[$key]) || array_key_exists($key, $array)) ) {
            return is_null($array[$key]) ? $default : $array[$key];
        }

        if (($pos = strrpos($key, '.')) !== false) {
            $array = static::getValue($array, substr($key, 0, $pos), $default);
            $key = substr($key, $pos + 1);
        }

        if (is_object($array)) {
            // this is expected to fail if the property does not exist, or __get() is not implemented
            // it is not reliably possible to check whether a property is accessable beforehand
            return $array->$key;
        } elseif (is_array($array)) {
            return (isset($array[$key]) || array_key_exists($key, $array)) ? $array[$key] : $default;
        } else {
            return $default;
        }
    }

    /**
     *
     * @author zxf
     * @date    2020426
     * @param  array $array
     * @return integer
     */
    public static function getDepth(array $array)
    {
        $maxDepth = 1;
        foreach ($array as $value) {
            if (is_array($value)) {
                $depth = self::getDepth($value) + 1;
                if ($depth > $maxDepth) {
                    $maxDepth = $depth;
                }
            }
        }
        return $maxDepth;
    }
} ?>