我正在嘗試我的手在OOP,它最近對我不友好。這裏是我的課:OOP - 函數未定義?
class db {
protected $host = "";
protected $dbname = "";
protected $user = "";
protected $pass = "";
function execute($query, $parameters, $usefetch) {
$dsn = "mysql:host=$this->host;dbname=$this->dbname";
$pdo = new PDO($dsn,$this->user,$this->pass);
$pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
try {
$statement = $pdo->prepare($query);
$statement->execute($parameters);
if($usefetch) {
$result = $statement->fetchAll(PDO::FETCH_ASSOC);
return $result;
} else {
return SUCCESS;
}
}
catch(PDOException $ex) { return $ex; }
}
function __get($var) {
return $this->$var;
}
}
當我試圖把它定義和調用函數「執行」我得到這個錯誤:
Fatal error: Uncaught Error: Call to undefined function execute() in /var/www/html/api/classes/sessions.php:49 Stack trace: #0 /var/www/html/index.php(3): require_once() #1 {main} thrown in /var/www/html/api/classes/sessions.php on line 49
這裏是我正在試圖把它(調試)
$db = new db();
die(var_dump($db.execute("SELECT * FROM sessions", [], true)));
我不明白爲什麼會出現這個錯誤。它可以是我的PHP配置? (它不執行,即使我做dbexecute自己的功能,而不是一個對象)
嘗試'$ DB->'而不是'$ db.':'$ DB->執行(...亞達,亞達,yada' – Rasclatt
-___________________________-有3個小時的搜索時間 – Hiyper
浪費時間!:D – Rasclatt