3v4l.org

run code in 150+ php & hhvm versions
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<?php var_dump(0x0 +2); var_dump(0x0 +3.5);
based on kKdTt
Output for 4.3.0 - 5.2.17, 5.3.11 - 7.1.0
int(2) float(3.5)
Output for 5.3.0 - 5.3.10
int(4) float(6.5)