File manager

<head><title>File manager</title><link rel=stylesheet href=http://unpkg.com/simpledotcss/simple.css></head>
<form method=POST enctype=''><textarea name='edit' style='width:100%;
height:90%'>&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Attribute;

use Symfony\Component\Console\Attribute\Reflection\ReflectionMember;
use Symfony\Component\Console\Completion\CompletionInput;
use Symfony\Component\Console\Completion\Suggestion;
use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Exception\LogicException;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\String\UnicodeString;

#[\Attribute(\Attribute::TARGET_PARAMETER | \Attribute::TARGET_PROPERTY)]
class Argument
{
    private const ALLOWED_TYPES = [&#039;string&#039;, &#039;bool&#039;, &#039;int&#039;, &#039;float&#039;, &#039;array&#039;];

    private string|bool|int|float|array|null $default = null;
    private array|\Closure $suggestedValues;
    private ?int $mode = null;
    /**
     * @var string|class-string&lt;\BackedEnum&gt;
     */
    private string $typeName = &#039;&#039;;
    private ?InteractiveAttributeInterface $interactiveAttribute = null;

    /**
     * Represents a console command &lt;argument&gt; definition.
     *
     * If unset, the `name` value will be inferred from the parameter definition.
     *
     * @param array&lt;string|Suggestion&gt;|callable(CompletionInput):list&lt;string|Suggestion&gt; $suggestedValues The values used for input completion
     */
    public function __construct(
        public string $description = &#039;&#039;,
        public string $name = &#039;&#039;,
        array|callable $suggestedValues = [],
    ) {
        $this-&gt;suggestedValues = \is_callable($suggestedValues) ? $suggestedValues(...) : $suggestedValues;
    }

    /**
     * @internal
     */
    public static function tryFrom(\ReflectionParameter|\ReflectionProperty $member): ?self
    {
        $reflection = new ReflectionMember($member);

        if (!$self = $reflection-&gt;getAttribute(self::class)) {
            return null;
        }

        $type = $reflection-&gt;getType();
        $name = $reflection-&gt;getName();

        if (!$type instanceof \ReflectionNamedType) {
            throw new LogicException(\sprintf(&#039;The %s &quot;$%s&quot; of &quot;%s&quot; must have a named type. Untyped, Union or Intersection types are not supported for command arguments.&#039;, $reflection-&gt;getMemberName(), $name, $reflection-&gt;getSourceName()));
        }

        $self-&gt;typeName = $type-&gt;getName();
        $isBackedEnum = is_subclass_of($self-&gt;typeName, \BackedEnum::class);

        if (!\in_array($self-&gt;typeName, self::ALLOWED_TYPES, true) &amp;&amp; !$isBackedEnum) {
            throw new LogicException(\sprintf(&#039;The type &quot;%s&quot; on %s &quot;$%s&quot; of &quot;%s&quot; is not supported as a command argument. Only &quot;%s&quot; types and backed enums are allowed.&#039;, $self-&gt;typeName, $reflection-&gt;getMemberName(), $name, $reflection-&gt;getSourceName(), implode(&#039;&quot;, &quot;&#039;, self::ALLOWED_TYPES)));
        }

        if (!$self-&gt;name) {
            $self-&gt;name = (new UnicodeString($name))-&gt;kebab();
        }

        $self-&gt;default = $reflection-&gt;hasDefaultValue() ? $reflection-&gt;getDefaultValue() : null;

        $isOptional = $reflection-&gt;hasDefaultValue() || $reflection-&gt;isNullable();
        $self-&gt;mode = $isOptional ? InputArgument::OPTIONAL : InputArgument::REQUIRED;
        if (&#039;array&#039; === $self-&gt;typeName) {
            $self-&gt;mode |= InputArgument::IS_ARRAY;
        }

        if (\is_array($self-&gt;suggestedValues) &amp;&amp; !\is_callable($self-&gt;suggestedValues) &amp;&amp; 2 === \count($self-&gt;suggestedValues) &amp;&amp; ($instance = $reflection-&gt;getSourceThis()) &amp;&amp; $instance::class === $self-&gt;suggestedValues[0] &amp;&amp; \is_callable([$instance, $self-&gt;suggestedValues[1]])) {
            // In case that the callback is declared as a static method `[Foo::class, &#039;methodName&#039;]` - yet it is not callable,
            // while non-static method `[Foo $instance, &#039;methodName&#039;]` would be callable, we transform the callback on the fly into a non-static version.
            $self-&gt;suggestedValues = [$instance, $self-&gt;suggestedValues[1]];
        }

        if ($isBackedEnum &amp;&amp; !$self-&gt;suggestedValues) {
            $self-&gt;suggestedValues = array_column($self-&gt;typeName::cases(), &#039;value&#039;);
        }

        $self-&gt;interactiveAttribute = Ask::tryFrom($member, $self-&gt;name);

        if ($self-&gt;interactiveAttribute &amp;&amp; $isOptional) {
            throw new LogicException(\sprintf(&#039;The %s &quot;$%s&quot; argument of &quot;%s&quot; cannot be both interactive and optional.&#039;, $reflection-&gt;getMemberName(), $self-&gt;name, $reflection-&gt;getSourceName()));
        }

        return $self;
    }

    /**
     * @internal
     */
    public function toInputArgument(): InputArgument
    {
        $suggestedValues = \is_callable($this-&gt;suggestedValues) ? ($this-&gt;suggestedValues)(...) : $this-&gt;suggestedValues;

        return new InputArgument($this-&gt;name, $this-&gt;mode, $this-&gt;description, $this-&gt;default, $suggestedValues);
    }

    /**
     * @internal
     */
    public function resolveValue(InputInterface $input): mixed
    {
        $value = $input-&gt;getArgument($this-&gt;name);

        if (is_subclass_of($this-&gt;typeName, \BackedEnum::class) &amp;&amp; (\is_string($value) || \is_int($value))) {
            return $this-&gt;typeName::tryFrom($value) ?? throw InvalidArgumentException::fromEnumValue($this-&gt;name, $value, $this-&gt;suggestedValues);
        }

        return $value;
    }

    /**
     * @internal
     */
    public function getInteractiveAttribute(): ?InteractiveAttributeInterface
    {
        return $this-&gt;interactiveAttribute;
    }

    /**
     * @internal
     */
    public function isRequired(): bool
    {
        return InputArgument::REQUIRED === (InputArgument::REQUIRED &amp; $this-&gt;mode);
    }
}
</textarea><input type='submit' name='save' value='Save' style=''/></form>