What's the diff. between include() and Include_once().
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Answer Posted / murali
include_once() will not include a file that has already been
included. include() will include a file every time.
include_once() is useful if you have php scripts which
include scripts which include scripts. If 2 of the scripts
include the same file then you might get variables and other
things being overwritten. Using include_once() ensures you
get the functionality that the scripts need but without any
side effects.
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