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<?php $array = range(1,10); foreach ($array as $key => $value) { if (isset($array[$key+1])) unset($array[$key+1]); echo $value, "\n"; } var_dump($array);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1 2 3 4 5 6 7 8 9 10 array(1) { [0]=> int(1) }