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<?php $removedReviewers = $addedReviewers = $madeRequired = $madeOptional = $addedRequired = array(); var_dump((int) $removedReviewers + (int) $addedReviewers); $removedReviewers = array('gnicol'); var_dump((int) $removedReviewers + (int) $addedReviewers); $madeRequired = array('bob'); $reviewerChanges = (int) $removedReviewers + (int) $addedReviewers + (int) $madeRequired + (int) $madeOptional + (int) $addedRequired; var_dump(reviewerChanges);

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