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run code in 150+ php & hhvm versions
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<?php $array = [ 'foo' => [ 'bar' => [ 'baz' => 'bat'] ] ]; $obj = new ArrayObject($array); $cb = function($obj) { $obj['foo']['bar'] = 'bazbat'; }; print_r($obj); $cb($obj); print_r($obj);
Output for 5.4.0 - 7.1.0
ArrayObject Object ( [storage:ArrayObject:private] => Array ( [foo] => Array ( [bar] => Array ( [baz] => bat ) ) ) ) ArrayObject Object ( [storage:ArrayObject:private] => Array ( [foo] => Array ( [bar] => bazbat ) ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/XBfqT 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/XBfqT on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/XBfqT on line 3
Process exited with code 255.