Answers for "add unique index laravel migration"

laravel migration add unique column

Schema::table('tableName', function($table)
{
    $table->string('column-name')->unique(); //notice the parenthesis I added
});

unique laravel migration

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

Schema::table('users', function (Blueprint $table) {
    $table->string('email')->unique();
});