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run code in 150+ php & hhvm versions
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<?php parse_str('foo=.ba.r&baz=q%20u x', $arr); var_dump($arr);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { ["foo"]=> string(5) ".ba.r" ["baz"]=> string(5) "q u x" }