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Problem :

I am trying to learn the pSQL. I recently moved my Laravel App from the MySQL to pSQL. But now I keep on getting below error.

“The Response content must be a string or object implementing __toString(), "boolean" given.”

I have the API that was returning my promotion before but now it only returns the above error.

Can anyone suggest me solution on above error ?

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1 Answer

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Solution :

If you are returning something from your controller then the Laravel will convert it to the string. If you return the object then your object's __toString() the magic method will be automatically invoked to make the required conversion.

So when you just try to return your $promotion from the controller action then the Laravel is going to call the magic method __toString() on it and it will be converted to the string to display.

On your Model__toString() calls your toJson(), which will return you the result of your json_encode. So now the json_encode is returning a false, it clearly suggests that it is running into the error.

I guess your dd must be showing that your img attribute is the stream resourcejson_encode cannot readily encode your resource, so this is the main reason behind the failure. So you must add your img attribute to your $hidden property to try to remove it from your json_encode as shown below

class Promotion extends Model
{
    protected $hidden = ['img'];
 
    // rest of your class
}

 

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