3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(); $arr += array_fill_keys(null, true);
Output for 7.0.0 - 7.1.0
Warning: array_fill_keys() expects parameter 1 to be array, null given in /in/SJ0BT on line 3 Fatal error: Uncaught Error: Unsupported operand types in /in/SJ0BT:3 Stack trace: #0 {main} thrown in /in/SJ0BT on line 3
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Warning: Invalid operand type was used: array_fill_keys expects an array or collection in /in/SJ0BT on line 3 Fatal error: Invalid operand type was used: cannot perform this operation with arrays in /in/SJ0BT on line 3
Process exited with code 255.
Output for 5.2.0 - 5.6.28
Warning: array_fill_keys() expects parameter 1 to be array, null given in /in/SJ0BT on line 3 Fatal error: Unsupported operand types in /in/SJ0BT on line 3
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function array_fill_keys() in /in/SJ0BT on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_fill_keys() in /in/SJ0BT on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_fill_keys() in /in/SJ0BT on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_fill_keys() in /in/SJ0BT on line 3