3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( gzinflate(gzdeflate('hello')), gzinflate(gzdeflate('hello') . 'again'), gzinflate(gzdeflate('hello') . gzdeflate('again')) );
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(5) "hello" string(5) "hello" string(5) "hello"

preferences:
202.85 ms | 404 KiB | 221 Q