3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 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
bool(true) bool(true) bool(true) string(3) "290" Warning: Undefined array key "group291" in /in/sJWmA on line 15 NULL
Output for 5.6.25, 7.0.10 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
bool(true) bool(true) bool(true) string(3) "290" Notice: Undefined index: group291 in /in/sJWmA on line 15 NULL
Output for 7.3.32 - 7.3.33
bool(true) bool(true) bool(true) string(3) "290" NULL
Output for 5.6.0 - 5.6.24, 7.0.0 - 7.0.9
bool(true) bool(false) bool(true) string(0) "" string(3) "290"

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