Please I'ld like solutions to the above topic

include() - http://us2.php.net/manual/en/function.include.php

require_once() - http://us2.php.net/require_once

for all future PHP reference: http://us2.php.net/

Dont get confuse with the _once attribute. The function is basically include() and require(). the _once attribute can be added to both.

And Both actually do the same thing in regards to adding the specified file, but are different in the way they handle failures. _once is included in the respective functions to avoid problem with function redefinitions. That is preventing the file been included for evaluation or execution from been added more than once.

The difference between include() and require is simply, when the specified file is called in both cases , and the file does not exist for example, the require() function returns a fatal error while the include() function, returns a warning, which means the scripts calling the function does not halt, as in the case of with the require().

so its basically, the include() function in a script would show a warning if the specified file does not exist and the require(), function would return an error and halt if the file been called for evaluation or execution does not exist for example.

The require makes the file inclusion compulsory , while the include can continue with the other part of the calling script if applicable, if that specified file in the function does not exist.

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Thanks for your contributions.

@kazey,
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