3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = "TM: \x99"; echo json_encode(mb_convert_encoding($str, 'UTF-8', 'Windows-1252'));
Output for 5.2.0 - 7.2.0
"TM: \u2122"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/Ilm78 on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/Ilm78 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/Ilm78 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/Ilm78 on line 4