Ciao a tutti. qualcuno sa trovarmi l' errore di sintassi in questa stringa prima che lancio il pc dalla finestra? Ogni volta che scrivo una stringa del genere ci perdo una giornata 
Codice PHP:
$my_query="UPDATE t_expenses
SET
id_bs_personal_data_business = ".$o_expense_in->_id_bs_personal_data_business,
id_company = ".$o_expense_in->_id_company,
id_expense_status = ".$o_expense_in->_id_expense_status,
id_expense_type = ".$o_expense_in->_id_expense_type,
id_exepense_category = ".$o_expense_in->_id_exepense_category,
scheduled = ".$o_expense_in->_id_scheduled,
date_expense = '".$o_expense_in->_date_expense."',
expiry_date_paymet = '".$o_expense_in->_expiry_date_paymet."',
date_payment = '".$o_expense_in->_date_payment."',
expense_number '".$o_expense_in->_expense_number."',
cost = ".$o_expense_in->_cost,
iva = ".$o_expense_in->_iva,
remaining_cost = ".$o_expense_in->_remaining_cost,
delivered_to_business_consultant = ".$o_expense_in->_delivered_to_business_consultant,
id_staff = ".$o_expense_in->_id_staff,
enjoy_by = ".$o_expense_in->_id_staff_enjoy,
note = '".$o_expense_in->_note."'
WHERE id_expense = ".$o_expense_in->_id_expense;
Mi da errore nella prima riga dei valori:
id_bs_personal_data_business = ".$o_expense_in->_id_bs_personal_data_business,