3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr['color_list'] = []; $var[0][0] = 1; $var[0][1] = 2; $var[1][0] = 2; $var[1][1] = 2; $arr['color_list'] = $var; echo json_encode($arr,JSON_PRETTY);
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 "JSON_PRETTY" in /in/iMPDY:10 Stack trace: #0 {main} thrown in /in/iMPDY on line 10
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant JSON_PRETTY - assumed 'JSON_PRETTY' (this will throw an Error in a future version of PHP) in /in/iMPDY on line 10 Warning: json_encode() expects parameter 2 to be int, string given in /in/iMPDY on line 10
Output for 7.2.0 - 7.2.33
Warning: Use of undefined constant JSON_PRETTY - assumed 'JSON_PRETTY' (this will throw an Error in a future version of PHP) in /in/iMPDY on line 10 Warning: json_encode() expects parameter 2 to be integer, string given in /in/iMPDY on line 10
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant JSON_PRETTY - assumed 'JSON_PRETTY' in /in/iMPDY on line 10 Warning: json_encode() expects parameter 2 to be integer, string given in /in/iMPDY on line 10
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Use of undefined constant JSON_PRETTY - assumed 'JSON_PRETTY' in /in/iMPDY on line 10 Warning: json_encode() expects parameter 2 to be long, string given in /in/iMPDY on line 10

preferences:
315.09 ms | 402 KiB | 330 Q