Хостинг cloudways. На локальном хостинге все работает.
Форма такого типа:
<form action="{{ route('ad.update', $ad->id) }}" method="post" enctype="multipart/form-data" name="update">
<div class="form-group">
<label for="title">Название:</label>
<input type="text" name="title" id="title" class="form-control" value="{{ $ad->title }}">
</div>
<div class="form-group">
<label for="category">Категория:</label>
<div class="row">
<div class="col-xs-3">
<select name="category" id="" class="form-control">
@foreach($categories as $category)
@if($category->id == $ad->category_id)
<option value="{{ $category->id }}" selected>{{ $category->name }}</option>
@else
<option value="{{ $category->id }}">{{ $category->name }}</option>
@endif
@endforeach
</select>
</div>
</div>
</div>
<div class="form-group">
<label for="price">Цена:</label>
<input type="text" name="price" id="price" class="form-control" value="{{ $ad->price }}">
</div>
<div class="form-group">
<label for="city">Город:</label>
<input type="text" name="city" id="city" class="form-control" value="{{ $ad->city }}">
</div>
<div class="form-group">
<label for="description">Описание:</label>
<textarea name="description" id="description" cols="30" rows="10" class="form-control">{{ $ad->description }}</textarea>
</div>
<div class="form-group">
<label for="images">Изображения:</label>
<div class="row">
@foreach($ad->adimages as $image)
<div class="col-md-2">
<div class="thumbnail">
<img src="{{ url('images/items/' . $ad->id . '/' . $image->image) }}" alt="" width="50px" class="media-object">
<div class="text-center">
<a href="#" id="{{ $image->id }}" class="btn btn-xs btn-danger deleteLink">Удалить</a>
</div>
</div>
</div>
@endforeach
</div>
<input type="file" name="images[]" id="images" multiple="multiple">
</div>
<input type="hidden" name="_method" value="PUT">
{{ csrf_field() }}
<div class="form-group">
<input type="submit" value="Редактировать объявление" class="btn btn-success">
</div>
</form>
<form action="" method="post" name="deleteForm" id="deleteForm">
<input type="hidden" name="ad_id" id="ad_id" value="{{ $ad->id }}">
<input type="hidden" name="_method" value="DELETE">
{{ csrf_field() }}
</form>