Hook for due date invoice

[zjsz007]

Hello.

I 'm looking for Hook for due date invoice.

I used 

 ,but it not work for WHMCS 7.5(PHP 7.2).

for new order

order 2018-01-01 ,paid 2018-01-01 ,no change the next due date 2018-02-01

order 2018-01-01 ,paid 2018-01-05 ,change the next due date 2018-02-05

 

for renewals

overdue 2018-02-03 ,paid 2018-02-05, change the invoice to 2018-02-05 and so next due date will be 2018-03-05.

 

 

 

[wsa]

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