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run code in 150+ php & hhvm versions
Bugs & Features
<?php $host = "localhost"; $port = 0; // oder false oder '' ... var_dump($host . ($port)) ;
Output for 4.3.0 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(10) "localhost0"