include_once() function verifies whether or not the file has already been included. : include_once « Utility Function « PHP

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PHP » Utility Function » include_once

include_once() function verifies whether or not the file has already been included.


 

If it has been included, include_once() will not execute. 

Otherwise, it will include the file as necessary. 



Its syntax follows: include_once (file insertion_file)

Related examples in the same category

1.	include_once and require_once will only include a file once
2.	Using include_once to include a file

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