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run code in 150+ php & hhvm versions
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<?php $france = 'France'; $england = 'England'; $storage = array(); $storage['fr'] = &$france; $storage['en'] = &$england; $france = 'Angleterre'; print_r($storage);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [fr] => Angleterre [en] => England )