Many friends ask me what’s the difference between require() and include(). Here is the explaination from PHP manual.
From PHP manual:-
require() and include() are identical in every way except how they handle failure. include() produces a Warning while require() results in a Fatal Error. In other words, don’t hesitate to use require() if you want a missing file to halt processing of the page. include() does not behave this way, the script will continue regardless. Be sure to have an appropriate include_path setting as well.
So that means, if you want to ensure that file1.php must be read before execute anything else, then you should use require.
If you just want to load a ‘not that important’ template header then you can use include function.
[tags]php, php function, include, require, function include, function require, programming, open source[/tags]
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this is very useful for php programmer.
gizg: pclfw’s post is incorrect. When using require, PHP will not look for them before parsing the document. An easy way to test this is the following code:
Create these files with this code and then visit test.php. What happens? The page displays NO! because it only got no.php
This was good, but, I have to say that post #4 (by “pclfw”) on this page actually gives a better explanation:
i want php programming with explanation
it’s the simplest way i’ve ever read about that differece
thanks for your simple explanation
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Finally a simple explanation for a simple thing.
This is the very good and simple diff. every one can understood it from very easily.