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run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(-1); $array = array(); $array['foo'] = 'bar'; $array['foo']['bar'] = 'baz'; var_dump($array);
Output for 5.4.0 - 5.6.21, 7.0.0 - 7.1.0
Warning: Illegal string offset 'bar' in /in/rUioI on line 6 array(1) { ["foo"]=> string(3) "bar" }
Output for 4.3.0 - 5.3.29, hhvm-3.10.0 - 3.12.0
array(1) { ["foo"]=> string(3) "bar" }