3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 7.0.6 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
ISSET GET string(6) "value1" ISSET string(7) "default"
Output for 7.0.0 - 7.0.5
GET string(6) "value1" GET Notice: Property attribute2 does not exist in /in/f0KrS on line 15 string(7) "default"
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/f0KrS on line 29
Process exited with code 255.
preferences:
148.54 ms | 413 KiB | 5 Q