3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo json_encode(array(iconv('utf8', 'cp1251', 'ф')));
Output for 5.5.0 - 5.5.34, 5.6.0 - 5.6.20, 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.5, 7.0.14 - 7.1.0
Output for 7.0.6 - 7.0.9
Fatal error: Uncaught Error: Call to undefined function iconv() in /in/RONQM:3 Stack trace: #0 {main} thrown in /in/RONQM on line 3
Process exited with code 255.
Output for 5.5.35 - 5.5.38, 5.6.21 - 5.6.24
Fatal error: Call to undefined function iconv() in /in/RONQM on line 3
Process exited with code 255.
Output for 5.2.7 - 5.3.13, 5.3.15 - 5.4.45
[null]
Output for 5.3.14
Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/RONQM on line 3
Output for 5.2.0 - 5.2.6
[""]
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/RONQM on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/RONQM on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/RONQM on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/RONQM on line 3