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run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr['data'] = array( 2378107417=>"8", 2909966995=>"6", 3511241473=>"5", 1884062190=>"5", 5188467195=>"4", 5459260341=>"3", ); echo json_encode($arr, JSON_UNESCAPED_UNICODE); //var_dump($str);
based on qVV48
Output for 5.4.0 - 7.2.0
{"data":{"2378107417":"8","2909966995":"6","3511241473":"5","1884062190":"5","5188467195":"4","5459260341":"3"}}
Output for 5.3.0 - 5.3.29
Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/W1YNX on line 12 Warning: json_encode() expects parameter 2 to be long, string given in /in/W1YNX on line 12
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/W1YNX on line 12 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/W1YNX on line 12
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/W1YNX on line 12
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/W1YNX on line 13
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/W1YNX on line 12
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/W1YNX on line 12
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/W1YNX on line 12