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 (null !== $column) { echo $column; } echo "|"; } }
Output for 5.4.0 - 5.6.23, 7.0.0 - 7.1.0
| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|
Output for hhvm-3.10.0 - 3.12.0
| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array|| Notice: Array to string conversion in /in/mYsrq on line 18 Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array|
Output for 4.3.0 - 5.3.29
|Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array||Array|