3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $json_arr='{"#D1 1":"750x225","#D1 2":"735x450","#D1 3":"750x216","#D2 1":"750x450","#D2 2":"735x450"}'; $encode=json_encode($json_arr); print_r($encode);
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
"{\"#D1 1\":\"750x225\",\"#D1 2\":\"735x450\",\"#D1 3\":\"750x216\",\"#D2 1\":\"750x450\",\"#D2 2\":\"735x450\"}"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/HnBpV 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/HnBpV 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/HnBpV 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/HnBpV on line 3