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run code in 200+ php & hhvm versions
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<?php $url = 'http://test.com'; var_dump(current((array)$url)); $url = ['http://test.com']; var_dump(current((array)$url));
based on 51kpB
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
string(15) "http://test.com" string(15) "http://test.com"