3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = 0; $$test = 1; $странное@Имя = 2; echo $test . PHP_EOL; echo $$test . PHP_EOL; echo $странное@Имя . PHP_EOL;
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.28
Parse error: syntax error, unexpected '@' in /in/pVZWr on line 4
Process exited with code 255.
preferences:
184.64 ms | 1395 KiB | 65 Q