3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(0.1, json_encode(0.1)); var_dump(0.01, json_encode(0.01)); var_dump(0.001, json_encode(0.001)); var_dump(0.0001, json_encode(0.0001));
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
float(0.1) string(3) "0.1" float(0.01) string(4) "0.01" float(0.001) string(5) "0.001" float(0.0001) string(6) "0.0001"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/fXNH0 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/fXNH0 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/fXNH0 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/fXNH0 on line 3