3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test['test'] = null; echo isset($test['test'])
Output for 5.4.0 - 5.4.9
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/pIWVi on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.19
Parse error: syntax error, unexpected $end, expecting ',' or ';' in /in/pIWVi on line 5
Process exited with code 255.
preferences:
170.01 ms | 1395 KiB | 37 Q