Online PHP editor | output for XcKte

Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: Undefined variable $dizi in /in/XcKte on line 4 Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/XcKte:4 Stack trace: #0 /in/XcKte(11): insert('a', 3) #1 {main} thrown in /in/XcKte on line 4
Process exited with code 255.
Output for 8.0.0 - 8.0.9: Warning: Undefined variable $dizi in /in/XcKte on line 4 Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, null given in /in/XcKte:4 Stack trace: #0 /in/XcKte(11): insert('a', 3) #1 {main} thrown in /in/XcKte on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined variable: dizi in /in/XcKte on line 4 Warning: count(): Parameter must be an array or an object that implements Countable in /in/XcKte on line 4 array(1) { [3]=> string(1) "a" }
Output for 7.3.32 - 7.3.33: Warning: count(): Parameter must be an array or an object that implements Countable in /in/XcKte on line 4 array(1) { [3]=> string(1) "a" }
Output for 5.0.4 - 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 - 7.1.20: Notice: Undefined variable: dizi in /in/XcKte on line 4 array(1) { [3]=> string(1) "a" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3: Notice: Undefined variable: dizi in /in/XcKte on line 4 array(1) { [3]=> string(1) "a" }