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<?php $aR = array(1,2,3,4,5,6); foreach ($aR as $aS){ if ($aS ==2) unset($aS); } var_dump($aR); ?>
Output for 4.3.0 - 7.1.0
array(6) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) }