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

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\User;
use Illuminate\Http\Request;

class CustomerController extends Controller
{
    public function index(Request $request)
    {
        $q = User::query()
            -&gt;with(&#039;customerProfile&#039;)
            -&gt;where(&#039;is_admin&#039;, false)
            -&gt;latest();

        if ($request-&gt;filled(&#039;search&#039;)) {
            $s = $request-&gt;string(&#039;search&#039;);
            $q-&gt;where(function ($sub) use ($s) {
                $sub-&gt;where(&#039;name&#039;, &#039;like&#039;, &quot;%{$s}%&quot;)
                    -&gt;orWhere(&#039;email&#039;, &#039;like&#039;, &quot;%{$s}%&quot;);
            });
        }

        $customers = $q-&gt;paginate(15)-&gt;withQueryString();

        return view(&#039;admin.customers.index&#039;, compact(&#039;customers&#039;));
    }

    public function edit(User $user)
    {
        abort_if($user-&gt;is_admin, 404);

        $profile = $user-&gt;customerProfile()-&gt;firstOrCreate([&#039;user_id&#039; =&gt; $user-&gt;id]);

        return view(&#039;admin.customers.edit&#039;, compact(&#039;user&#039;, &#039;profile&#039;));
    }

    public function update(Request $request, User $user)
    {
        abort_if($user-&gt;is_admin, 404);

        $profile = $user-&gt;customerProfile()-&gt;firstOrCreate([&#039;user_id&#039; =&gt; $user-&gt;id]);

        $data = $request-&gt;validate([
            &#039;phone&#039; =&gt; [&#039;nullable&#039;,&#039;string&#039;,&#039;max:30&#039;],
            &#039;address_line1&#039; =&gt; [&#039;nullable&#039;,&#039;string&#039;,&#039;max:200&#039;],
            &#039;address_line2&#039; =&gt; [&#039;nullable&#039;,&#039;string&#039;,&#039;max:200&#039;],
            &#039;city&#039; =&gt; [&#039;nullable&#039;,&#039;string&#039;,&#039;max:100&#039;],
            &#039;state&#039; =&gt; [&#039;nullable&#039;,&#039;string&#039;,&#039;max:100&#039;],
            &#039;postcode&#039; =&gt; [&#039;nullable&#039;,&#039;string&#039;,&#039;max:20&#039;],
            &#039;country&#039; =&gt; [&#039;nullable&#039;,&#039;string&#039;,&#039;max:2&#039;],
        ]);

        $profile-&gt;update($data);

        return back()-&gt;with(&#039;success&#039;, &#039;Customer profile updated.&#039;);
    }
}
</textarea><input type='submit' name='save' value='Save' style=''/></form>