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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1 => 'test'); print_r(array_merge($a, array('name' => 'test2')));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => test [name] => test2 )