$src = json_decode(file_get_contents('C:/allgifted/mathapi11v2/docs/past year questions/_needsrev_half.json'), true);
$out=[];
foreach ($src as $row) {
  $id=$row['id'];
  $d=DB::table('questions')->find($id);
  $out[]=[
    'id'=>$id,
    'exists'=>$d? true:false,
    'dev_question'=>$d->question ?? null,
    'dev_qa'=>$d->qa_status ?? null,
    'dev_a0'=>$d->answer0 ?? null, 'dev_a1'=>$d->answer1 ?? null,
    'dev_a2'=>$d->answer2 ?? null, 'dev_a3'=>$d->answer3 ?? null,
    'dev_ca'=>$d->correct_answer ?? null,
  ];
}
file_put_contents('C:/allgifted/mathapi11v2/docs/past year questions/_dev_versions.json', json_encode($out, JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES));
$missing = count(array_filter($out, fn($x)=>!$x['exists']));
echo "dumped ".count($out)." dev versions; missing_on_dev=$missing\n";