3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump( JSON_ERROR_RECURSION, JSON_ERROR_INF_OR_NAN, JSON_ERROR_UNSUPPORTED_TYPE, JSON_ERROR_INVALID_PROPERTY_NAME, JSON_ERROR_UTF16 );
Output for 7.0.0 - 7.2.0
int(6) int(7) int(8) int(9) int(10)
Output for 5.5.24 - 5.6.28
Notice: Use of undefined constant JSON_ERROR_INVALID_PROPERTY_NAME - assumed 'JSON_ERROR_INVALID_PROPERTY_NAME' in /in/HNaLX on line 7 Notice: Use of undefined constant JSON_ERROR_UTF16 - assumed 'JSON_ERROR_UTF16' in /in/HNaLX on line 9 int(6) int(7) int(8) string(32) "JSON_ERROR_INVALID_PROPERTY_NAME" string(16) "JSON_ERROR_UTF16"
Output for 5.3.18 - 5.4.45
Notice: Use of undefined constant JSON_ERROR_RECURSION - assumed 'JSON_ERROR_RECURSION' in /in/HNaLX on line 4 Notice: Use of undefined constant JSON_ERROR_INF_OR_NAN - assumed 'JSON_ERROR_INF_OR_NAN' in /in/HNaLX on line 5 Notice: Use of undefined constant JSON_ERROR_UNSUPPORTED_TYPE - assumed 'JSON_ERROR_UNSUPPORTED_TYPE' in /in/HNaLX on line 6 Notice: Use of undefined constant JSON_ERROR_INVALID_PROPERTY_NAME - assumed 'JSON_ERROR_INVALID_PROPERTY_NAME' in /in/HNaLX on line 7 Notice: Use of undefined constant JSON_ERROR_UTF16 - assumed 'JSON_ERROR_UTF16' in /in/HNaLX on line 9 string(20) "JSON_ERROR_RECURSION" string(21) "JSON_ERROR_INF_OR_NAN" string(27) "JSON_ERROR_UNSUPPORTED_TYPE" string(32) "JSON_ERROR_INVALID_PROPERTY_NAME" string(16) "JSON_ERROR_UTF16"