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Hello again. Problem: Every time I am logged in as administrator to add content, it doesn't allow me to submit the "Add This Page". Instead, it keeps asking me to "Please select a category!" - which I have. Current code I am using for 'validating category' (as on page 109) if (filter_var($_POST['category'], FILTER_VALIDATE_INT, array('min_range' => 1))) { $cat = $_POST['category']; } else { // No category selected. $add_page_errors['category'] = 'Please select a category!'; } What I have tried I have tried the other variation of: if (isset($_POST['category'] && (int) $_POST['category'] >= 1)) { $cat = $_POST['category']; } else { // No category selected. $add_page_errors['category'] = 'Please select a category!'; } But this keeps on sending me the error on the line. What do you think I should do? Many thanks