3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php arr = {"a":"\u4e3a\u4e86\u786e\u4fdd\u592a\u5b50\u7684"} echo json_encode(arr); ?>
Output for 5.3.0 - 5.4.28
Parse error: syntax error, unexpected '=' in /in/TWm4o on line 2
Process exited with code 255.