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<?php $array = [ 'USA' => [ 'Alabama' => [ 'Montgomery', 'Birmingham' ], 'Arizona' => [ 'Phoenix', 'Mesa', 'Gilbert' ] ], 'Germany' => [ 'West Germany' => [ 'Bonn', 'Cologne' ] ] ]; $arrayobject = new ArrayObject($array); $iterator = $arrayobject->getIterator(); while($iterator->valid()) { echo $iterator->key() . ' => ' . $iterator->current() . "\n"; $iterator->next(); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/bEcOr on line 32 USA => Array Warning: Array to string conversion in /in/bEcOr on line 32 Germany => Array

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