php - How to set a boolean to true if the button is clicked?

I'm trying to set myisApprove boolean to true if the button is clicked for the currentid.

Migration:

 public function up()
{
    Schema::create('approve_document', function (Blueprint $table)
    {
        $table->increments('id');
        $table->integer('approve_id')->unsigned();
        $table->integer('document_id')->unsigned();
        $table->integer('requestedBy')->unsigned();

        $table->foreign('approve_id')->references('id')->on('approves')->onDelete('cascade');
        $table->foreign('document_id')->references('id')->on('documents')->onDelete('cascade');
        $table->foreign('requestedBy')->references('id')->on('users')->onDelete('cascade');

        $table->boolean('isApprove');

        $table->dateTime('dateReceived')->default(DB::raw('CURRENT_TIMESTAMP'));
        $table->timestamp('dateModified')->default(DB::raw('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'));
    });
}
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Controller:

public function documentsSentForApproval()
{

    $pendingDocumentLists = DB::table('approve_document')
    ->select('documents.title', 'documents.content', 'categories.category_type', 'users.username', 'approve_document.dateReceived', 'documents.id', 'approves.approver_id', 'approve_document.document_id', 'approve_document.isApprove')
    ->join('documents', 'documents.id', '=', 'approve_document.document_id')
    ->join('categories', 'categories.id', '=', 'documents.category_id')
    ->join('approves', 'approves.id', '=', 'approve_document.approve_id')
    ->join('users', 'users.id', '=', 'approves.approver_id')
    ->where('approver_id', '=', Auth::id())
    ->orWhere('requestedBy', '=', Auth::id())
    ->get();


    return view ('document.pending')
    ->with('pendingDocumentLists', $pendingDocumentLists);
}
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View:

@foreach ($pendingDocumentLists as $list)
        <tr class = "info">

            <td>{{ $list->title }}</td>
            <td>{{ strip_tags(substr($list->content, 0, 50)) }} {{ strlen($list->content) > 50 ? "..." : '' }}</td>
            <td>{{ $list->category_type }}</td>
            <td>{{ $list->username }}</td>
            <td>{{ date('M, j, Y', strtotime($list->dateReceived)) }}</td>
            <td>

                <a href = "{{ route ('document.viewPending', $list->id) }}"><button type = "submit" class = "btn btn-primary glyphicon glyphicon-open"> Read</button></a>

                <a href = ""><button type = "submit" class = "btn btn-info glyphicon glyphicon-edit"> Edit</button></a>

                <button type = "submit" class = "btn btn-danger glyphicon glyphicon-trash"> Delete</button>

                @if (Auth::id() == $list->approver_id)

                    <a href = "{{ route ('document.pending', $list->document_id) }}">
                        <button type = "submit" onclick = "approveFunction()" class = "btn btn-success glyphicon glyphicon-thumbs-up"> Approve</button>
                    </a>

                    <button type = "submit" class = "btn btn-warning glyphicon glyphicon-thumbs-down"> Reject</button>

                @endif

            </td>
            <td></td>

        </tr>
@endforeach
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I'm little bit stuck here in my if condition. Where if I hit the Approve button I'm getting the current id of thedocument but I need to set a condition here to set itisApprove to true. Any help how can I achieve this?

Logic:

If($list->document_id) is approve. SetisApprove column to true for the currentdocument_id