3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = 0; $$test = 1; echo $test . PHP_EOL; echo $$test . PHP_EOL;
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.1.0
0 1
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/vLBnT on line 4 0PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/vLBnT on line 5 1PHP_EOL