Online PHP editor | output for 1FX4E

Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: int(9223372036854775807) int(2208985200) string(20) "Jan 19 2038 04:14:08"
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.5: int(9223372036854775807) bool(false) string(20) "Jan 19 2038 04:14:08"
Output for 4.4.0 - 4.4.9, 5.0.5: int(9223372036854775807) int(2208988800) string(20) "Jan 19 2038 03:14:08"
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4: Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/1FX4E on line 3 string(11) "PHP_INT_MAX" int(2208988800) string(20) "Jan 19 2038 03:14:08"