3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 5.2.3, 5.3.13, 5.5.21, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.23, 8.4.1 - 8.4.10
{"b":{"@attributes":{"id":"foo"}}}
Output for 5.0.5
Fatal error: Call to undefined function json_encode() in /in/VgfoH on line 5
Process exited with code 255.
Output for 4.3.0
Fatal error: Call to undefined function: simplexml_load_string() in /in/VgfoH on line 4
preferences:
143.84 ms | 413 KiB | 5 Q