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<?php $arr = array( array( 'test1' => 'testing1' ), array( 'test2' => array( 1 =>'testing2' ) ) ); $newarr = array_shift($arr); print_r ($newarr); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [test1] => testing1 )