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<?php var_dump(array( 'abc'=>'123', 'abc'=>'456', 'edf'=>'789', 'edf'=>'012', 'ghi'=>'345' )); echo 'zxc';
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { ["abc"]=> string(3) "456" ["edf"]=> string(3) "012" ["ghi"]=> string(3) "345" } zxc