3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $row["name1"] = f; echo "helllo $row ddddddd";
Output for 7.2.0
Warning: Use of undefined constant f - assumed 'f' (this will throw an Error in a future version of PHP) in /in/ClR9i on line 2 Notice: Array to string conversion in /in/ClR9i on line 4 helllo Array ddddddd
Output for 5.4.0 - 7.1.10
Notice: Use of undefined constant f - assumed 'f' in /in/ClR9i on line 2 Notice: Array to string conversion in /in/ClR9i on line 4 helllo Array ddddddd
Output for 4.3.0 - 5.3.29
Notice: Use of undefined constant f - assumed 'f' in /in/ClR9i on line 2 helllo Array ddddddd