File manager

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height:90%'>&lt;?php

use Illuminate\Support\Traits\ReflectsClosures;

if (! function_exists(&#039;lazy&#039;)) {
    /**
     * Create a lazy instance.
     *
     * @template TValue of object
     *
     * @param  class-string&lt;TValue&gt;|(\Closure(TValue): mixed)  $class
     * @param  (\Closure(TValue): mixed)|int  $callback
     * @param  int  $options
     * @param  array&lt;string, mixed&gt;  $eager
     * @return TValue
     */
    function lazy($class, $callback = 0, $options = 0, $eager = [])
    {
        static $closureReflector;

        $closureReflector ??= new class
        {
            use ReflectsClosures;

            public function typeFromParameter($callback)
            {
                return $this-&gt;firstClosureParameterType($callback);
            }
        };

        [$class, $callback, $options] = is_string($class)
            ? [$class, $callback, $options]
            : [$closureReflector-&gt;typeFromParameter($class), $class, $callback ?: $options];

        $reflectionClass = new ReflectionClass($class);

        $instance = $reflectionClass-&gt;newLazyGhost(function ($instance) use ($callback) {
            $result = $callback($instance);

            if (is_array($result)) {
                $instance-&gt;__construct(...$result);
            }
        }, $options);

        foreach ($eager as $property =&gt; $value) {
            $reflectionClass-&gt;getProperty($property)-&gt;setRawValueWithoutLazyInitialization($instance, $value);
        }

        return $instance;
    }
}

if (! function_exists(&#039;proxy&#039;)) {
    /**
     * Create a lazy proxy instance.
     *
     * @template TValue of object
     *
     * @param  class-string&lt;TValue&gt;|(\Closure(TValue): TValue)  $class
     * @param  (\Closure(TValue): TValue)|int  $callback
     * @param  int  $options
     * @param  array&lt;string, mixed&gt;  $eager
     * @return TValue
     */
    function proxy($class, $callback = 0, $options = 0, $eager = [])
    {
        static $closureReflector;

        $closureReflector = new class
        {
            use ReflectsClosures;

            public function get($callback)
            {
                return $this-&gt;closureReturnTypes($callback)[0] ?? $this-&gt;firstClosureParameterType($callback);
            }
        };

        [$class, $callback, $options] = is_string($class)
            ? [$class, $callback, $options]
            : [$closureReflector-&gt;get($class), $class, $callback ?: $options];

        $reflectionClass = new ReflectionClass($class);

        $proxy = $reflectionClass-&gt;newLazyProxy(function () use ($callback, $eager, &amp;$proxy) {
            $instance = $callback($proxy, $eager);

            return $instance;
        }, $options);

        foreach ($eager as $property =&gt; $value) {
            $reflectionClass-&gt;getProperty($property)-&gt;setRawValueWithoutLazyInitialization($proxy, $value);
        }

        return $proxy;
    }
}
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