3v4l.org

run code in 150+ php & hhvm versions
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<?php passthru('ls -l',$resultat); var_dump($resultat);
based on tCioe
Output for 4.3.0, 5.4.45 - 7.1.0
int(127)
Output for 4.3.1 - 5.4.44
int(127) sh: 1: ls: not found