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run code in 200+ php & hhvm versions
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<?php $data_array = array('root1' => array(1,2,3), 'root2' => array(3,4,5)); foreach ($data_array as $key => $value) { echo $key.'=>'.print_r($value,true); }
Output for 4.3.0 - 7.2.0
root1=>Array ( [0] => 1 [1] => 2 [2] => 3 ) root2=>Array ( [0] => 3 [1] => 4 [2] => 5 )