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<?php $testArray = array('a' => array(1, 2, 3, 'b' => array('c', 'd', 'e'))); $testArray = array_shift($testArray); print_r($testArray);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 1 [1] => 2 [2] => 3 [b] => Array ( [0] => c [1] => d [2] => e ) )