PHP

laravel collection find duplicates

$users = Users::all();
$usersUnique = $users->unique('id');
$usersDupes = $users->diff($usersUnique);

dd($users, $usersUnique, $usersDupes);

laravel find duplicate rows

$users = User::all();
$usersUnique = $users->unique(['user_name']);
$userDuplicates = $users->diff($usersUnique);
echo "<pre>";
print_r($userDuplicates->toArray());

laravel eloquent duplicate record

// Retrieve the first task
$task = Task::first();

$newTask = $task->replicate();
$newTask->project_id = 16; // the new project_id
$newTask->save();