3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 5.6.38, 7.0.33, 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.20, 8.4.1 - 8.4.6
Apple MacBook Air - 13.3 inch - Intel Core i5-8e - MRE82N/A Array ( [0] => 'MacBook Air' ) HP Chromebook 11 G5 EE - 11.6 inch - Intel® Celeron® - 4LT18EA#ABH Array ( [0] => 'Chromebook' [1] => 'Intel®' [2] => '4LT18EA#ABH' )
preferences:
202.67 ms | 413 KiB | 5 Q