3v4l.org

run code in 150+ php & hhvm versions
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<?php $array = array(); $array[1]['source'] = 'hello'; $array[1]['destination'] = 'bye'; foreach ($array as $key => $arr) { print_r($arr['source']); }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
hello