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run code in 150+ php & hhvm versions
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<?php $a = 0.7; $b = 0.1; var_dump((( $a + $b ) * 10)); echo (int) (( $a + $b ) * 10);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
float(8) 7