3v4l.org

run code in 200+ php & hhvm versions
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<?php var_export(0.1); echo "\n"; var_dump(5.3); echo "\n";
based on ZRPXO
Output for 5.3.21 - 5.4.21, 7.1.0 - 7.2.0
0.1 float(5.3)
Output for 5.6.28, 7.0.20
0.10000000000000001 float(5.3)
Output for 5.4.22 - 5.6.21, 7.0.0 - 7.0.6
0.100000000000000005551115 float(5.3)