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I am facing an issue with $this in a code of extension. Looks like PHP version issue. In one server all working fine and in another server it is not working & giving error like this :-

Fatal error: Uncaught Error: Using $this when not in object context in filename.php on line no. 12

The code on line no.12 is :

if (!$this->getConditions())
{
    return true;
}

If I comment this code then error comes on another line where there is $this.

The server where everything is working fine, it's PHP version is : 5.3 The server where error is coming, it's PHP version is : 7.0

I guess this PHP version may be the issue but can anyone please tell the solution for this? or there is no way except changing the PHP version?

EDIT: scope:

class Namespace_Module_Model_SalesRule_Rule_Condition_Product_Comb‌​ine 
    extends Mage_SalesRule_Model_Rule_Condition_Product_Combine
{
    public function validate(Varien_Object $object)
    {
        if (!$this->getConditions()) {
            return true;
        }

        // ..... other code....

    }
}
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  • Is the scope of the code a static method by chance? Commented Sep 5, 2017 at 10:59
  • no not a static method. Here is the class & main function :- class Namespace_Module_Model_SalesRule_Rule_Condition_Product_Combine extends Mage_SalesRule_Model_Rule_Condition_Product_Combine { public function validate(Varien_Object $object) { if (!$this->getConditions()) { return true; } .....other code.... } } Any idea? Commented Sep 5, 2017 at 11:15
  • Are you calling the method as being static from somewhere else? Commented Sep 5, 2017 at 12:00
  • Hi Giel, first of all thank you for your interest in solving this for us but the thing is wherever $this comes, error comes there except that we do not know any thing. We know only that no error coming in one server & in another server the above given error comes :( Commented Sep 5, 2017 at 12:20

1 Answer 1

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1

We came across the same issue while working a client's site. The problem for us was that the method was being called statically

Here's the snippet we updated

$valid = Mage_Rule_Model_Condition_Combine::validate($object);

to

$combiner = Mage::getModel('rule/condition_combine');
$valid = $combiner->validate($object);

Note: For our use case, we directly instantiated Mage_Rule_Model_Condition_Combine because we wanted to avoid using the rewrite (which was for a third party module)

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  • 1
    I got the same issue and fixed it with suggested. Thanks Commented Apr 24, 2019 at 10:54

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