3v4l.org

run code in 150+ php & hhvm versions
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<?php similar_text("MARTHA","MARHTA",$percent); echo $percent; ?>
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
83.333333333333
Output for hhvm-3.12.0
83.333335876465
Output for hhvm-3.10.0

Process exited with code 153.