3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str='\u8bf7\u6c42\u4e2d\u6ca1\u6709'; echo $str='{"ste":$str}'; //print_r(json_decode($str,1));
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.1.0
{"ste":$str}
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/ik4FX on line 6
Process exited with code 255.