Laravel - File Input Array Update - php

Question

I want to update my file input images, but as soon as I update 1 image the other images are removed why is that? I want to left them as what they are when they had been upload. help me please thanks.
Here is an image of the problem
Controller
Update, public function, here is where I put the logic of the code
public function update(Request $request, $id)
{
$this->validate($request, [
'inflightmagz_date' => 'required',
'infightmagazine_pdf.*' => 'image|nullable|max:1999'
]);
$inflightmags = [];
if ($request->has('infightmagazine_pdf'))
{
//Handle File Upload
foreach ($request->file('infightmagazine_pdf') as $key => $file)
{
// Get FileName
$filenameWithExt = $file->getClientOriginalName();
//Get just filename
$filename = pathinfo( $filenameWithExt, PATHINFO_FILENAME);
//Get just extension
$extension = $file->getClientOriginalExtension();
//Filename to Store
$fileNameToStore = $filename.'_'.time().'.'.$extension;
//Upload Image
$path = $file->storeAs('public/infightmagazine_pdfs',$fileNameToStore);
array_push($inflightmags, $fileNameToStore);
}
$fileNameToStore = serialize($inflightmags);
}
$inflightmagContent = InflightMagazine::find($id);
$inflightmagContent->inflightmagz_date = $request->input('inflightmagz_date');
foreach ($inflightmags as $key => $value) {
$implodedInflight = implode(' , ', $inflightmags);
if($request->hasFile('infightmagazine_pdf')){
$inflightmagContent->infightmagazine_pdf = $implodedInflight;
}
}
$inflightmagContent->save();
return redirect('/admin/airlineplus/inflightmagazines')->with('success', 'Content Updated');
}
View, edit.blade.php
{!! Form::open(['action'=>['Admin\FleetsController#update',$fleet->id], 'method' => 'POST','enctype'=>'multipart/form-data', 'name' => 'add_name', 'id' => 'add_name']) !!}
<div class="table-responsive">
<table class="table table-bordered" id="dynamic_field">
<tr>
<td> {{Form::text('title', $fleet->title, ['class' => 'form-control', 'placeholder' => 'Enter a Title', 'id'=>"exampleFormControlFile1"])}}<br>
{{Form::textarea('description', $fleet->description, ['class' => 'form-control', 'placeholder' => 'Enter a Description'])}} <br>
<div class="card card-body col-md-8">
#foreach(explode(' , ' ,$fleet->fleet_image) as $content)
<img src="{{ asset('storage/fleet_images/' . $content) }}" style="width:50px;height:50px;"><br/>
{{ Form::file('fleet_image[]',['id'=>'exampleFormControlFile1']) }}<br/>
#endforeach
</div>
</td>
</tr>
</table>
{{Form::hidden('_method', 'PUT')}}
{{Form::submit('submit', ['class'=>'btn btn-primary', 'name'=>'submit'])}}
</div>
{!! Form::close() !!}

Answer 1

try this code
add if condition like if($request->hasFile('infightmagazine_pdf') && !empty($implodedInflight) && isset($implodedInflight)) this
//Handle File Upload
foreach ($request->file('infightmagazine_pdf') as $key => $file)
{
if ($file->has('infightmagazine_pdf'))
{
// Get FileName
$filenameWithExt = $file->getClientOriginalName();
//Get just filename
$filename = pathinfo( $filenameWithExt, PATHINFO_FILENAME);
//Get just extension
$extension = $file->getClientOriginalExtension();
//Filename to Store
$fileNameToStore = $filename.'_'.time().'.'.$extension;
//Upload Image
$path = $file->storeAs('public/infightmagazine_pdfs',$fileNameToStore);
array_push($inflightmags, $fileNameToStore);
$fileNameToStore = serialize($inflightmags);
}
}
$inflightmagContent = InflightMagazine::find($id);
$inflightmagContent->inflightmagz_date = $request->input('inflightmagz_date');
foreach ($inflightmags as $key => $value) {
$implodedInflight = implode(' , ', $inflightmags);
if($request->hasFile('infightmagazine_pdf') && !empty($implodedInflight) && isset($implodedInflight)){
$inflightmagContent->infightmagazine_pdf = $implodedInflight;
}
}
$inflightmagContent->save();
return redirect('/admin/airlineplus/inflightmagazines')->with('success', 'Content Updated');