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📄 AggregateServiceProvider.php(995 B)
📄 Arr.php(15.7 KB)
📄 Carbon.php(115 B)
📄 Collection.php(31.57 KB)
📄 Composer.php(2.33 KB)
📄 ConfigurationUrlParser.php(4.23 KB)
📄 DateFactory.php(7.83 KB)
📄 Enumerable.php(21.56 KB)
📄 Env.php(2.63 KB)
📁 Facades
📄 Fluent.php(3.79 KB)
📄 HigherOrderCollectionProxy.php(1.38 KB)
📄 HigherOrderTapProxy.php(665 B)
📄 HigherOrderWhenProxy.php(1.28 KB)
📄 HtmlString.php(877 B)
📄 InteractsWithTime.php(1.55 KB)
📄 LICENSE.md(1.05 KB)
📄 LazyCollection.php(31.83 KB)
📄 Manager.php(3.98 KB)
📄 MessageBag.php(9.52 KB)
📄 NamespacedItemResolver.php(3.19 KB)
📄 Optional.php(2.58 KB)
📄 Pluralizer.php(3.13 KB)
📄 ProcessUtils.php(2 KB)
📄 Reflector.php(1.34 KB)
📄 ServiceProvider.php(9.29 KB)
📄 Str.php(17.95 KB)
📄 Stringable.php(15.12 KB)
📁 Testing
📁 Traits
📄 ViewErrorBag.php(2.56 KB)
📄 composer.json(1.5 KB)
📄 helpers.php(13.22 KB)

Editing: Optional.php

<?php

namespace Illuminate\Support;

use ArrayAccess;
use ArrayObject;

class Optional implements ArrayAccess
{
    use Traits\Macroable {
        __call as macroCall;
    }

/**
     * The underlying object.
     *
     * @var mixed
     */
    protected $value;

/**
     * Create a new optional instance.
     *
     * @param  mixed  $value
     * @return void
     */
    public function __construct($value)
    {
        $this->value = $value;
    }

/**
     * Dynamically access a property on the underlying object.
     *
     * @param  string  $key
     * @return mixed
     */
    public function __get($key)
    {
        if (is_object($this->value)) {
            return $this->value->{$key} ?? null;
        }
    }

/**
     * Dynamically check a property exists on the underlying object.
     *
     * @param  mixed  $name
     * @return bool
     */
    public function __isset($name)
    {
        if (is_object($this->value)) {
            return isset($this->value->{$name});
        }

if (is_array($this->value) || $this->value instanceof ArrayObject) {
            return isset($this->value[$name]);
        }

return false;
    }

/**
     * Determine if an item exists at an offset.
     *
     * @param  mixed  $key
     * @return bool
     */
    public function offsetExists($key)
    {
        return Arr::accessible($this->value) && Arr::exists($this->value, $key);
    }

/**
     * Get an item at a given offset.
     *
     * @param  mixed  $key
     * @return mixed
     */
    public function offsetGet($key)
    {
        return Arr::get($this->value, $key);
    }

/**
     * Set the item at a given offset.
     *
     * @param  mixed  $key
     * @param  mixed  $value
     * @return void
     */
    public function offsetSet($key, $value)
    {
        if (Arr::accessible($this->value)) {
            $this->value[$key] = $value;
        }
    }

/**
     * Unset the item at a given offset.
     *
     * @param  string  $key
     * @return void
     */
    public function offsetUnset($key)
    {
        if (Arr::accessible($this->value)) {
            unset($this->value[$key]);
        }
    }

/**
     * Dynamically pass a method to the underlying object.
     *
     * @param  string  $method
     * @param  array  $parameters
     * @return mixed
     */
    public function __call($method, $parameters)
    {
        if (static::hasMacro($method)) {
            return $this->macroCall($method, $parameters);
        }

if (is_object($this->value)) {
            return $this->value->{$method}(...$parameters);
        }
    }
}

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