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<?php $arr = array( 'I_Am_The_Key' => 201983029183902138, 'I_Am_The_Key' => 'what does the fox say', 'Another_Key' => 834095893405809348 ); var_dump($arr);
Output for 4.3.0 - 7.1.0
array(2) { ["I_Am_The_Key"]=> string(21) "what does the fox say" ["Another_Key"]=> int(834095893405809348) }