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run code in 300+ PHP versions simultaneously
<?php $this = "this"; $$this = 20; echo $this;
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.19, 5.5.0 - 5.5.3
Fatal error: Cannot re-assign $this in /in/jU5VS on line 2
Process exited with code 255.
preferences:
185.93 ms | 1395 KiB | 59 Q