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run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = array(10); $array[10] = &$array[0]; $b = $array; unset($array[0]); $c = $array; var_dump($b, $c);
Output for 4.3.0 - 7.2.0
array(2) { [0]=> &int(10) [10]=> &int(10) } array(1) { [10]=> &int(10) }