laravel primary key code example

Example 1: laravel model string primary key

class UserVerification extends Model
{
    protected $primaryKey = 'your_key_name'; // or null

    public $incrementing = false;

    // In Laravel 6.0+ make sure to also set $keyType
    protected $keyType = 'string';
}

Example 2: laravel remove foreign key

$table->dropForeign('posts_user_id_foreign');

Example 3: laravel longblob migration

DB::statement("ALTER TABLE <table name> ADD <column name> MEDIUMBLOB");