3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo exec(`ls -l`); ?>
Output for 4.3.2 - 5.6.25, 7.0.0 - 7.1.0
Warning: exec(): Cannot execute a blank command in /in/Bdkhp on line 2
Output for hhvm-3.10.0 - 3.12.0
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Output for 4.3.0 - 4.3.1
Warning: exec() [http://www.php.net/function.exec]: Cannot execute a blank command in /in/Bdkhp on line 2