3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = array( 2378107417=>"8", 2909966995=>"6", 3511241473=>"5", 1884062190=>"5", 5188467195=>"4", 5459260341=>"3", ); $str = json_encode($arr,JSON_UNESCAPED_UNICODE); var_dump($str);
based on 1i6OO
Output for 5.4.0 - 5.6.38, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.3.0rc4
string(103) "{"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/4mesV on line 12 Warning: json_encode() expects parameter 2 to be long, string given in /in/4mesV on line 12 NULL
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/4mesV on line 12 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/4mesV on line 12 NULL
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/4mesV on line 12
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/4mesV 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/4mesV 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/4mesV on line 12