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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 Warning: Undefined array key "a" in /in/JJrtU on line 11
Fatal error: Uncaught TypeError: array_merge(): Argument #2 must be of type array, null given in /in/JJrtU:11
Stack trace:
#0 /in/JJrtU(11): array_merge(Array, NULL)
#1 {main}
thrown in /in/JJrtU on line 11
Process exited with code 255 . Output for 7.3.0 - 7.3.31 , 7.4.0 - 7.4.25 , 7.4.27 - 7.4.33 Notice: Undefined index: a in /in/JJrtU on line 11
Warning: array_merge(): Expected parameter 2 to be an array, null given in /in/JJrtU on line 11
Output for 7.3.32 - 7.3.33 , 7.4.26 Warning: array_merge(): Expected parameter 2 to be an array, null given in /in/JJrtU on line 11
Output for 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 - 7.2.33 Notice: Undefined index: a in /in/JJrtU on line 11
Warning: array_merge(): Argument #2 is not an array in /in/JJrtU on line 11
Output for 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 Notice: Undefined index: a in /in/JJrtU on line 11
Warning: array_merge(): Argument #2 is not an array in /in/JJrtU on line 11
Output for 4.3.0 - 4.3.11 , 4.4.0 - 4.4.9 Notice: Undefined index: a in /in/JJrtU on line 11
Array
(
[a] => 1
[b] => 2
)