Online PHP editor | output for L6tPh

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught Error: Undefined constant "PHP_MAX_INT" in /in/L6tPh:2 Stack trace: #0 {main} thrown in /in/L6tPh on line 2
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: Use of undefined constant PHP_MAX_INT - assumed 'PHP_MAX_INT' (this will throw an Error in a future version of PHP) in /in/L6tPh on line 2 array(5) { [0]=> int(1) [3]=> string(1) "x" [2]=> string(1) "y" ["PHP_MAX_INT"]=> string(1) "z" [4]=> string(1) "t" }
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: Notice: Use of undefined constant PHP_MAX_INT - assumed 'PHP_MAX_INT' in /in/L6tPh on line 2 array(5) { [0]=> int(1) [3]=> string(1) "x" [2]=> string(1) "y" ["PHP_MAX_INT"]=> string(1) "z" [4]=> string(1) "t" }
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/L6tPh on line 2
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/L6tPh on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/L6tPh on line 2
Process exited with code 255.