Online PHP editor | output for KnLot

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 TypeError: fputcsv(): Argument #2 ($fields) must be of type array, string given in /in/KnLot:5 Stack trace: #0 /in/KnLot(5): fputcsv(Resource id #5, 'a"b') #1 {main} thrown in /in/KnLot on line 5
Process exited with code 255.
Output for 5.1.4 - 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, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: fputcsv() expects parameter 2 to be array, string given in /in/KnLot on line 5 Warning: fputcsv() expects parameter 2 to be array, string given in /in/KnLot on line 6 string(0) ""
Output for 5.1.0 - 5.1.3: Warning: fopen(php://memory): failed to open stream: Success in /in/KnLot on line 4 Warning: fputcsv() expects parameter 1 to be resource, boolean given in /in/KnLot on line 5 Warning: fputcsv() expects parameter 1 to be resource, boolean given in /in/KnLot on line 6 Warning: rewind(): supplied argument is not a valid stream resource in /in/KnLot on line 7 Warning: stream_get_contents() expects parameter 1 to be resource, boolean given in /in/KnLot on line 8 bool(false) Warning: fclose(): supplied argument is not a valid stream resource in /in/KnLot on line 9
Output for 5.0.0 - 5.0.5: Warning: fopen(php://memory): failed to open stream: Success in /in/KnLot on line 4 Fatal error: Call to undefined function fputcsv() in /in/KnLot on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9: Warning: fopen(php://memory): failed to open stream: Success in /in/KnLot on line 4 Fatal error: Call to undefined function: fputcsv() in /in/KnLot on line 5
Process exited with code 255.
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.4: Warning: fopen(php://memory): failed to open stream: Success in /in/KnLot on line 4 Fatal error: Call to undefined function: fputcsv() in /in/KnLot on line 5
Process exited with code 255.
Output for 4.3.2: Warning: fopen(php://memory): failed to open stream: Inappropriate ioctl for device in /in/KnLot on line 4 Fatal error: Call to undefined function: fputcsv() in /in/KnLot on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Warning: fopen(php://memory) [http://www.php.net/function.fopen]: failed to create stream: Inappropriate ioctl for device in /in/KnLot on line 4 Fatal error: Call to undefined function: fputcsv() in /in/KnLot on line 5