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copied!<p>optimal would be IMHO the the following:</p> <p>have an object for the user with functions that return user specific attributes/metrics that you initialise with the proper user id (you probably wanna make this a singleton/static for some elements...):</p> <pre><code><? class User { public function initUser($id) { /* initialise the user. maby load all metrics now, or if they are intensive on demand when the functions are called. you can cache them in a class variable*/ } public function getPostCount() { // return number of posts } public function getRegisterDate() { // return register date } public function getNumberOfLogins() { // return the number of logins the user has made over time } } ?> </code></pre> <p>have a badge object that is initialised with an id/key and loads dependencies from your database:</p> <pre><code><? class Badge { protected $dependencies = array(); public function initBadge($id) { $this->loadDependencies($id); } protected function loadDependencies() { // load data from mysql and store it into dependencies like so: $dependencies = array(array( 'value' => 300, 'type' => 'PostCount', 'compare => 'greater', ),...); $this->dependencies = $dependencies; } public function getDependencies() { return $this->dependencies; } } ?> </code></pre> <p>then you could have a class that controls the awarding of batches (you can also do it inside user...) and checks dependencies and prints failed dependencies etc...</p> <pre><code> <? class BadgeAwarder { protected $badge = null; protected $user = null; public function awardBadge($userid,$badge) { if(is_null($this->badge)) { $this->badge = new Badge; // or something else for strange freaky badges, passed by $badge } $this->badge->initBadge($badge); if(is_null($this->user)) { $this->user = new User; $this->user->initUser($userid); } $allowed = $this->checkDependencies(); if($allowed === true) { // grant badge, print congratulations } else if(is_array($failed)) { // sorry, you failed tu full fill thef ollowing dependencies: print_r($failed); } else { echo "error?"; } } protected function checkDependencies() { $failed = array(); foreach($this->badge->getDependencies() as $depdency) { $value = call_user_func(array($this->badge, 'get'.$depdency['type'])); if(!$this->compare($value,$depdency['value'],$dependency['compare'])) { $failed[] = $dependency; } } if(count($failed) > 0) { return $failed; } else { return true; } } protected function compare($val1,$val2,$operator) { if($operator == 'greater') { return ($val1 > $val2); } } } ?> </code></pre> <p>you can extend to this class if you have very custom batches that require weird calculations.</p> <p>hope i brought you on the right track. untested andp robably full of syntax errors. welcome to the world of object oriented programming. still wanna do this?</p>

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