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run code in 150+ php & hhvm versions
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<?php $extras = ''; $extras .= 'Hello'; echo $extras . "<br>"; $boo = 1; if ($boo) { $extras .= ", boo is true!"; } echo $extras;
based on Ppidn
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Hello<br>Hello, boo is true!