[wp-trac] [WordPress Trac] #41152: New Function to Require a file

[WordPress Trac]

#41152: New Function to Require a file
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 Reporter:  rinkuyadav999    |       Owner:
     Type:  feature request  |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Themes           |     Version:
 Severity:  normal           |  Resolution:
 Keywords:  close            |     Focuses:
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Comment (by joyously):

 Yes, it helps to explain why you should not do what you are suggesting!

 >The **include** set of directives generate a //runtime//
 `ZEND_INCLUDE_OR_EVAL` operation which calls the Zend compiler to compile
 the referenced file. So in general you //**should not**// embed include
 statements in a function, as:
 >* The include will be executed every time that code path is taken when
 the function is called. Compiling the same bit of code 100s of times is a
 bad idea.
 >* If the code contains elements of global scope (e.g. function or class
 declarations) then executing that declaration even twice will cause
 compiler errors.

 > So don't unless you know what you are doing. Use techniques such are
 those described by Albatrosz. Incidentally his `__autoload()` function is
 just the sort of example of an exception where this is valid to do.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41152#comment:9>
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