3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo substr(crypt("test"), 0, 2);
Output for 5.6.7 - 7.1.0
Notice: crypt(): No salt parameter was specified. You must use a randomly generated salt and a strong hash function to produce a secure hash. in /in/1hjic on line 3 $1
Output for 4.3.0 - 5.5.35
$1