3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(number_format(unpack('E', '2800322f96213747')[1]));
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.6
string(1) "0"

preferences:
76.17 ms | 402 KiB | 58 Q