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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a[1425328718] = 'ryat'; $a['attachment'] = 'hi'; //unset($a['attachment']); unset($a[1425328718]); var_dump($a);
Output for 4.3.0 - 7.2.0
array(1) { ["attachment"]=> string(2) "hi" }