3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?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()) { $c = $iterator->current(); echo $iterator->key() . ' => ' . (is_array($c) ? 'array' : $c) . "\n"; $iterator->next(); }
based on bEcOr
Output for 5.4.0 - 7.2.0
USA => array Germany => array
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/TvPR7 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/TvPR7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TvPR7 on line 3
Process exited with code 255.