3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(unpack('n2', pack('n2', 1234)));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ValueError: Type n: too few arguments in /in/DVj66:2 Stack trace: #0 /in/DVj66(2): pack('n2', 1234) #1 {main} thrown in /in/DVj66 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: pack(): Type n: too few arguments in /in/DVj66 on line 2 Warning: unpack(): Type n: not enough input, need 2, have 0 in /in/DVj66 on line 2 bool(false)
Output for 4.3.0 - 4.3.1
Warning: pack() [http://www.php.net/function.pack]: Type n: too few arguments in /in/DVj66 on line 2 Warning: unpack() [http://www.php.net/function.unpack]: Type n: not enough input, need 2, have 0 in /in/DVj66 on line 2 bool(false)

preferences:
250.67 ms | 401 KiB | 354 Q