3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = new StdClass(); $foo[] = new StdClass(); var_dump(json_encode($foo));
based on jk3V3
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Cannot use object of type stdClass as array in /in/RrqZ6:4 Stack trace: #0 {main} thrown in /in/RrqZ6 on line 4
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Object does not implement ArrayAccess in /in/RrqZ6 on line 4
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Cannot use object of type stdClass as array in /in/RrqZ6 on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Warning: Cannot use a scalar value as an array in /in/RrqZ6 on line 4 Fatal error: Call to undefined function: json_encode() in /in/RrqZ6 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Warning: Cannot use a scalar value as an array in /in/RrqZ6 on line 4 Fatal error: Call to undefined function: json_encode() in /in/RrqZ6 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Cannot use a scalar value as an array in /in/RrqZ6 on line 4 Fatal error: Call to undefined function: json_encode() in /in/RrqZ6 on line 5