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Asked: 2026-05-11T08:38:50+00:00

I have a situation where I require to consult different objects in PHP via

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I have a situation where I require to consult different objects in PHP via different methods to find some data.

The question regards more about formatting the code than an actual programming issue. What I am trying to do is not using several if‘s to gather this data like:

$data = obj->getData(); if (!isset($data)) $data = othObj->getThisData(); if (!isset($data)) $data = anothObj->getTheData(); if (!isset($data)) $data = anothOne->getAData(); ... process($data)

I was wondering what are the best practices in this case, if there is a better way using another procedures, like foreach or switch/case.

Thanks!

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  1. You can make an array of the possible objects you want to try, then run a loop. Might be more maintainable. This code can be modified to include parameters and use call_user_func_array instead.

    $dataCallback = array(     array($othObj, 'getData'),     array($othObj, 'getThisData'),     array($anothObj, 'getTheData'),     array($anothOne, 'getAData'), );  for($i = 0, $t = count($dataCallback); !isset($data) && $i < $t; $i++) {   $callback = $dataCallback[$i];   $data = call_user_func($callback); }  if (isset($data))   process($data); else   //no valid data returned at all ...
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