/**
  * <b>Obter categoria:</b> Informe o name (url) de uma categoria para obter o ID da mesma.
  * @param STRING $category_name = URL da categoria
  * @return INT $category_id = id da categoria informada
  */
 public static function CatByName($CategoryName)
 {
     $Read = new WsCategories();
     $Read->setCategory_name($CategoryName);
     $query = $Read->Query('WHERE category_name = :category_name');
     if ($query) {
         return (int) $query[0]->category_id;
     } else {
         WSErro("A categoria <b>{$CategoryName}</b> não foi encontrada!", WS_ERROR);
         return null;
     }
 }
                <label class="label_small">
                    <span class="field">Data:</span>
                    <input type="text" class="formDate center" name="category_date" value="<?php 
echo date('d/m/Y H:i:s');
?>
" />
                </label>

                <label class="label_small left">
                    <span class="field">Seção:</span>
                    <select name="category_parent">
                        <option value="null"> Selecione a Seção: </option>
                        <?php 
$ReadCat = new WsCategories();
$ReadCat->Query("WHERE category_parent is NULL ORDER BY category_title ASC");
if (!$ReadCat->getResult()) {
    echo '<option disabled="disable" value="null"> Cadastre antes uma seção! </option>';
} else {
    foreach ($ReadCat->getResult() as $ses) {
        echo "<option value=\"{$ses->category_id}\" ";
        if ($ses->category_id == $data['category_parent']) {
            echo ' selected="seleted" ';
        }
        echo "> {$ses->category_title} </option>";
    }
}
?>
                    </select>
                </label>
            </div>
        <h1>Categorias:</h1>

        <?php 
$empty = filter_input(INPUT_GET, 'empty', FILTER_VALIDATE_BOOLEAN);
if ($empty) {
    WSErro("Você tentou editar uma categoria que não existe no sistema!", WS_INFOR);
}
$delCat = filter_input(INPUT_GET, 'delete', FILTER_VALIDATE_INT);
if ($delCat) {
    require '_models/AdminCategory.class.php';
    $deletar = new AdminCategory();
    $deletar->ExeDelete($delCat);
    WSErro($deletar->getError()[0], $deletar->getError()[1]);
}
$ReadSes = new WsCategories();
$ReadSes->Query("WHERE category_parent IS NULL ORDER BY category_title ASC");
if (!$ReadSes->getResult()) {
} else {
    foreach ($ReadSes->getResult() as $ses) {
        extract((array) $ses);
        $ReadPosts = new WsPosts();
        $ReadPosts->setPost_cat_parent($category_id);
        $ReadPosts->Query("WHERE #post_cat_parent#");
        $ContSesPosts = $ReadPosts->getRowCount();
        $ReadSes->setCategory_parent($category_id);
        $ReadSes->Query("WHERE #category_parent#");
        $ContSesCats = $ReadSes->getRowCount();
        ?>
                <section>

                    <header>
" />
                </label>

                <label class="label_small">
                    <span class="field">Categoria:</span>
                    <select name="post_category">
                        <option value=""> Selecione a categoria: </option>
                        <?php 
$ReadSes = new WsCategories();
$ReadSes->Query("WHERE category_parent IS NULL ORDER BY category_title ASC");
if ($ReadSes->getRowCount() >= 1) {
    foreach ($ReadSes->getResult() as $ses) {
        echo "<option disabled=\"disabled\" value=\"\"> {$ses->category_title} </option>";
        $ReadCat = new WsCategories();
        $ReadCat->setCategory_parent($ses->category_id);
        $ReadCat->Query("WHERE #category_parent# ORDER BY category_title ASC");
        if ($ReadCat->getRowCount() >= 1) {
            foreach ($ReadCat->getResult() as $cat) {
                echo "<option ";
                if ($post['post_category'] == $cat->category_id) {
                    echo "selected=\"selected\" ";
                }
                echo "value=\"{$cat->category_id}\"> &raquo;&raquo;{$cat->category_title} </option>";
            }
        }
    }
}
?>
                    </select>
                </label>
 private function checkCats()
 {
     $Read = new WsCategories();
     $Read->setCategory_parent($this->CatId);
     $Read->Query("WHERE #category_parent#");
     if (isset($Read->getResult()[0])) {
         return false;
     } else {
         return true;
     }
 }