3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $sudoku = array(); $sudoku[] = array(null,3,null, null,null,null, null,null,null); $sudoku[] = array(null,null,null, 1,9,5, null,null,null); $sudoku[] = array(null,null,8, null,null,null, null,6,null); $sudoku[] = array(8,null,null, null,6,null, null,null,null); $sudoku[] = array(4,null,null, 8,null,null, null,null,1); $sudoku[] = array(null,null,null ,null,2,null, null,null,null); $sudoku[] = array(null,6,null, null,null,null, 2,8,null); $sudoku[] = array(null,null,null, 4,1,9, null,null,5); $sudoku[] = array(null,null,null, null,null,null, null,7,null); foreach ($sudoku as $column) { foreach ($sudoku as $column) { echo "|"; if (!isnull($column)) { echo $column; } echo "|"; } }
Output for 7.0.0 - 7.1.0
| Fatal error: Uncaught Error: Call to undefined function isnull() in /in/PckoT:17 Stack trace: #0 {main} thrown in /in/PckoT on line 17
Process exited with code 255.
Output for hhvm-3.12.0 - 3.13.2
| Fatal error: Uncaught Error: Call to undefined function isnull() in /in/PckoT:17 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.10.0
| Fatal error: Call to undefined function isnull() in /in/PckoT on line 17
Process exited with code 255.
Output for 4.4.5 - 4.4.9
| Fatal error: Call to undefined function: isnull() in /in/PckoT on line 17
Process exited with code 255.
Output for 4.3.2 - 4.4.4
| Fatal error: Call to undefined function: isnull() in /in/PckoT on line 17
Process exited with code 255.
Output for 4.3.0 - 4.3.1
| Fatal error: Call to undefined function: isnull() in /in/PckoT on line 17