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Fix for PHP Warning Trying to get property '*name*' of non-object

Posted in php
5733
8:53 am, October 28, 2021
 

Fix for PHP Warning Trying to get property '*name*' of non-object

i was getting this error when checking parts of an object that were sometimes set and sometimes they did not exist depending on the values. 

Warning / Error : Warning Trying to get property '*name*' of non-object

Or: Warning Trying to get property of non-object

You can get rid of this warning quite easily with isset.

So even though it can be quite a bit more code to do it this way it checks if the property is set before trying to grab it, and then you can just assign whatever it was going to be assigned to to blank. You can see it in the following example. 

PHP

// code that was causing the warning
$imp_search_review_summary = $item->find('.search_review_summary',0)->attr['data-tooltip-html']; // attr data-tooltip-html

// code that fixes the warning
if(isset($item->find('.search_review_summary',0)->attr['data-tooltip-html'])) {
  $imp_search_review_summary = $item->find('.search_review_summary',0)->attr['data-tooltip-html']; // attr data-tooltip-html
} else {
  $imp_search_review_summary = "";
}
Posted in php
5733
8:53 am, October 28, 2021

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"Olivia, my eldest daughter, caught measles when she was seven years old. As the illness took its usual course I can remember reading to her often in bed and not feeling particularly alarmed about it. Then one morning, when she was well on the road to recovery, I was sitting on her bed showing her how to fashion little animals out of coloured pipe-cleaners, and when it came to her turn to make one herself, I noticed that her fingers and her mind were not working together and she couldn’t do anything. 'Are you feeling all right?' I asked her. 'I feel all sleepy,' she said. In an hour, she was unconscious. In twelve hours she was dead. The measles had turned into a terrible thing called measles encephalitis and there was nothing the doctors could do to save her. That was...in 1962, but even now, if a child with measles happens to develop the same deadly reaction from measles as Olivia did, there would still be nothing the doctors could do to help her. On the other hand, there is today something that parents can do to make sure that this sort of tragedy does not happen to a child of theirs. They can insist that their child is immunised against measles. ...I dedicated two of my books to Olivia, the first was ‘James and the Giant Peach’. That was when she was still alive. The second was ‘The BFG’, dedicated to her memory after she had died from measles. You will see her name at the beginning of each of these books. And I know how happy she would be if only she could know that her death had helped to save a good deal of illness and death among other children."

I just checked google books for BFG, and the dedication is there. 

https://www.google.com.au/books/edition/_/quybcXrFhCIC?hl=en&gbpv=1 


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