<div class="form-group">
                                <label>Brand</label>
                                <input type="text" class="form-control" name="itemBrand" maxlength="45"
                                    <?php 
echo 'value = "' . SessionOperator::getFormInput("itemBrand") . '"';
?>
 >
                            </div>

                            <div class="form-group">
                                <label>Category</label>
                                <select class="selectpicker form-control" name="itemCategory"  data-dropup-auto="false">
                                    <option default>Select</option>
                                    <?php 
$itemCategory = SessionOperator::getFormInput("itemCategory");
$itemCategories = QueryOperator::getCategoriesList();
foreach ($itemCategories as $value) {
    $value = htmlspecialchars($value);
    $selected = "";
    if ($value == $itemCategory) {
        $selected = "selected";
    }
    ?>
                                        <option value="<?php 
    echo $value;
    ?>
" title="<?php 
    echo $value;
    ?>
" <?php 
    echo $selected;