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run code in 150+ php & hhvm versions
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<?php $x = 8 - 6.4;$y = 1.6;var_dump($x,$y,("$x"=="$y"));
based on QCiCo
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
float(1.6) float(1.6) bool(true)