CODE EXAMPLE FOR PHP

eloquent where raw

$query->whereRaw("(
        LOWER(name)             like '%". strtolower($search) ."%' OR
        LOWER(sku)              like '%". strtolower($search) ."%' OR
        LOWER(codigo)           like '%". strtolower($search) ."%' OR
        LOWER(descricao_curta)  like '%". strtolower($search) ."%'
    )");