vb.org Archive - whats the difference in these ??

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- - whats the difference in these ?? (https://vborg.vbsupport.ru/showthread.php?t=42230)

Vinney

08-13-2002 06:37 AM

whats the difference in these ??

PHP Code:


		
			
if (!isset($mainfile)) { include("mainfile.php"); }

global  $Pmenu,$breadcrumb;

and

PHP Code:


		
			
include ("mainfile.php"); 

global  $Pmenu,$breadcrumb;

whats is the purpose of having the different methods ?

mr e	08-13-2002 06:55 PM

well the top one is just saying if $mainfile equals something, dont mess with it, but if it isn't set then make it equal something,

PHP Code:


		
			
if (!isset($mainfile))

is just like saying "if $mainfile isn't set"

Ajay	08-18-2002 09:13 PM

PHP Code:


		
			
if (!isset($mainfile))

[/QUOTE]
if the '$mainfile' variable is set, then include mainfile.php

PHP Code:


		
			
include ("mainfile.php");

this just includes the mainfile.php and doesnt check if the '$mainfile' variable is set

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