3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $b = array(); $b['test'] = 'Hullo'; echo "B Foo is "; echo $b['foo'];
Output for 5.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
B Foo is Notice: Undefined index: foo in /in/1p2or on line 5
Output for 4.3.0 - 5.2.17
B Foo is Notice: Undefined index: foo in /in/1p2or on line 5