如何在mysql数据库laravel中存储数组数据？

Question

I am getting error Trying to access array offset on value of type int

Below is my controller for storing array data into database

    for ($i = 1; $i < count($request->sanitation_point_id); $i++) {
        $sanitation_points[] = [
            'daily_log_id' => $daily_log->id[$i],
            'sanitation_point_id' => $request->sanitation_point_id[$i]
        ];
        SanitationDailylogRelation::create($sanitation_points);
    }

Answer 1

array index is started from zero, change your looping initial variable to 0 ( $i = 0; )

full code:

for ($i = 0; $i < count($request->sanitation_point_id); $i++) {
    $sanitation_points[] = [
        'daily_log_id' => $daily_log->id[$i],
        'sanitation_point_id' => $request->sanitation_point_id[$i]
    ];
    SanitationDailylogRelation::create($sanitation_points);
}

or for better handling:

for ($i = 0; $i < count($request->sanitation_point_id); $i++) {
  if(isset($daily_log->id[$i]) && isset($request->sanitation_point_id[$i]))
  {
    $sanitation_points[] = [
        'daily_log_id' => $daily_log->id[$i],
        'sanitation_point_id' => $request->sanitation_point_id[$i]
    ];
    SanitationDailylogRelation::create($sanitation_points);
  }
}

Answer 2

try this

for ($i = 1; $i < count($request->sanitation_point_id); $i++) {
        $sanitation_points = [
            'daily_log_id' => $daily_log->id[$i],
            'sanitation_point_id' => $request->sanitation_point_id[$i]
        ];
        SanitationDailylogRelation::create($sanitation_points);
    }