3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(number_format(unpack('E', '2800322f96213747')[1]));
Output for 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
string(1) "0"
preferences:
90.88 ms | 403 KiB | 67 Q