3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = 1.00; var_dump($obj); $jsom=json_encode($obj); var_dump($jsom); var_dump(json_decode($jsom));
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
float(1) string(1) "1" int(1)
Output for 5.2.0
float(1) string(1) "1" NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
float(1) Fatal error: Call to undefined function json_encode() in /in/UXrW7 on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
float(1) Fatal error: Call to undefined function: json_encode() in /in/UXrW7 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
float(1) Fatal error: Call to undefined function: json_encode() in /in/UXrW7 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
float(1) Fatal error: Call to undefined function: json_encode() in /in/UXrW7 on line 4
preferences:
275.21 ms | 401 KiB | 352 Q