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POPHP global var for everything?
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copied!<blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="https://stackoverflow.com/questions/1151341/registry-design-pattern-good-or-bad">Registry design pattern…good or bad?</a> </p> </blockquote> <p>I am working on a game script that uses PHP and am approaching it in a similar way to how I build many of my websites. I have a habbit of declaring a single variable that is a stdClass holding many other variables that are important to execution. Then if I ever need something inside a function (if its not passed in the parameters), I simply use global $variable, in this case $ar.</p> <pre><code>$ar = new stdClass; $ar->i = new stdClass; $ar->s = new stdClass; $ar->i->root = "/home/user"; /* Directory where log files are to be stored. */ $ar->i->logs = "{$ar->i->root}/logs"; /* Directory where the banlist is. */ $ar->i->bl = "{$ar->i->root}/customize/settings/bannedaccounts.txt"; /* Directory where the silencelist is. */ $ar->i->sl = "{$ar->i->root}/customize/settings/silencedaccounts.txt"; /* How many points should be awarded for 1st place, 2nd place... etc. */ $ar->s->points = array(10, 7, 5, 4, 3, 2, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1); </code></pre> <p>So if I were to use one of the above variables in a function, I would approach it like this.</p> <pre><code>public function run() { global $ar; //do something with the variable.. } </code></pre> <p>Would anyone advise not to do this? Is using a single variable and including it in a lot of functions a bad practice to avoid? I know that it is advisable to create functions that work with just the parameters given, but I am asking this in regard to PHP performance and not programming clarity. Thanks!</p>

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