PHP：变量很大没有意义

Question

I'm working on a Symfony 2 app. I've an object manage with Doctrine which it has private $beginDate which is a \DateTime.

I've a function very important :

public function isBefore($timestamp)
{
    print_r($this->beginDate);
    echo "<br />";
    $date = $this->beginDate->format("Y-m-d"); // (line 44)
    echo $date;
    echo "<br />";
    return $this->beginDate->getTimestamp() < $timestamp;
}

The first print_r display : DateTime Object ( [date] => 2015-01-01 00:00:00 [timezone_type] => 3 [timezone] => Europe/Paris )

The beginDate->format give me : Error: Call to a member function format() on a non-object in /var/.../GS/AcmeBundle/Entity/ARecur.php line 44

echo $date display : 2015-01-01

And $this->beginDate->getTimestamp() said nothing because the line 44 is blocking others errors (but without the line 44, i've the same error on this line !)

My PHP version :

PHP 5.4.4-14+deb7u14 (cli) (built: Aug 21 2014 08:36:44) Copyright (c) 1997-2012 The PHP Group Zend Engine v2.4.0, Copyright (c) 1998-2012 Zend Technologies

Any ideas (Sorry for my bad english) Have a good day :)

Answer 1

Remove the echo "<br />" and try, it is not good the mix you html in you code.