Online PHP editor | output for 4lLU9

Output for 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 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5: Array ( [0] => Array ( [user] => user1 [acct_num] => 1 [value] => 34 [total] => 98 [avg] => 0.3469387755102 ) [1] => Array ( [user] => user1 [acct_num] => 2 [value] => 64 [total] => 98 [avg] => 0.6530612244898 ) [2] => Array ( [user] => user2 [acct_num] => 1 [value] => 632 [total] => 632 [avg] => 1 ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/4lLU9 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/4lLU9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/4lLU9 on line 3
Process exited with code 255.