MySQL příkazy v PHP

$sql['categories_save'] = mysql_query ('INSERT INTO admin_web_categories (categories_name,categories_seo,categories_author) 
VALUES (\''.addslashes($_REQUEST['categories_add']).'\',\''.$seo.'\',\''.$_SESSION['login'].'\')');

$sql['categories_create'] = mysql_query("CREATE TABLE IF NOT EXIST `admin_web_categories_".$seo."` (id int(0) NOT NULL AUTO_INCREMENT,nazev varchar(50) COLLATE utf8_czech_ci NOT NULL,author varchar(30) utf8_czech_ci NOT NULL,content text COLLATE utf8_czech_ci NOT NULL,datum timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,seo varchar(700) COLLATE utf8_czech_ci NOT NULL)");
                       
                        if ($sql['categories_save'] && $sql['categories_create'])
		                	  {
                        require ('./err/err_cat_main_done.php');
                        echo $form;
                        }
                        else
                        {
                        $error_h = 'Kategorie již existuje';
                        $error_log = 'Bohužel, vámi zadaný název kategorie již existuje.';
                        require ('./err/err_document.php');
                        echo $form;
                        }