3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $image = hello; $image = $image == '' ? 'NULL' : "'" . $image . "'"; echo('soy yo '); echo($image);
based on NCiqI
Output for 7.2.0 - 7.2.6
Warning: Use of undefined constant hello - assumed 'hello' (this will throw an Error in a future version of PHP) in /in/MN2dk on line 2 soy yo 'hello'
Output for 5.3.20 - 7.1.20
Notice: Use of undefined constant hello - assumed 'hello' in /in/MN2dk on line 2 soy yo 'hello'