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run code in 200+ php & hhvm versions
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<?php var_dump("1e0" == "1e1"); var_dump("0e1" == "0e2"); var_dump("0e-1" == "0e1"); ?>
based on eLGOX
Output for 4.3.0 - 7.2.0
bool(false) bool(true) bool(true)