[英]Laravel Eloquent Relationship: How to get parent of parent information from child using Laravel eloquent model relationship?
[英]how to write function in relationship using eloquent / etc with laravel?
$data = Program::with('peserta', function ($query) {
return $query->peserta()->whereBetween('tanggal', array($request->from, $request->until));
})->get();
此代碼返回錯誤:
mb_strpos() 期望參數 1 為字符串,object given”,異常:“ErrorException”。
幫助。 謝謝
with()
內部的閉包 function 必須是數組並刪除該return
。 laravel 文檔中的示例
$data = Program::with(['peserta' => function ($query) use($request) {
$query->whereBetween('tanggal', array($request->from, $request->until));
}])->get();
您應該使用 whereHas 設置關系條件:
$data = Program::whereHas('peserta', function ($query)use($request) {
return $query->whereBetween('tanggal', array($request->from, $request->until));
})->get()
如果您需要有關系數據,則應在查詢中添加“with”:
$data = Program::whereHas('peserta', function ($query)use($request) {
return $query->whereBetween('tanggal', array($request->from, $request->until))->with('peserta');
})->get()
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