Sie suchten nach: use once and destroy (Spanisch - Italienisch)

-roargo- "search and destroy"
person of interest season 4 episode 19 "search and destroy"

¶ i'm gonna turn around ¶ gonna turn around once and we'll do the eagle rock
# mi girero', # # faro' una giravolta e faremo il rock dell'aquila. #

the main difference is that in an inclusion chain, the use of require_once() will assure that the code is added to your script only once, and avoid clashes with variable values or function names that can happen.
l' istruzione require_once() include e valuta il file specificato durante l 'esecuzione dello script.