3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $n = 'nomeexame=cisticercose---sangue&detalheexames=cistisa'; $n = preg_replace('/-+/', '-', $n); echo $n;
based on DrKtu
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
nomeexame=cisticercose-sangue&detalheexames=cistisa
Output for hhvm-3.10.0

Process exited with code 153.