1
246/**
* Get the current PDO connection.
*
* @return \PDO
*/
public function getPdo()
{
if ($this->pdo instanceof Closure) {
return $this->pdo = call_user_func($this->pdo);
}
return $this->pdo;
}
为什么call_user_func会出错呢？
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错误是什么？是不是缺少参数？