Online PHP editor | output for EeqYU

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 T_SL in /in/EeqYU on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/EeqYU on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_SL in /in/EeqYU on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.29: Notice: Use of undefined constant JSON_BIGINT_AS_STRING - assumed 'JSON_BIGINT_AS_STRING' in /in/EeqYU on line 9 Warning: json_decode() expects at most 3 parameters, 4 given in /in/EeqYU on line 9 NULL
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 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11: object(stdClass)#1 (2) { ["int"]=> string(20) "12345678999999999999" ["float"]=> float(1.2345679E+19) }