3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'a' => 1, 'b' => 2, 'c' => 3], [ 'a' => 4, 'b' => 5, 'c' => 6], [ 'a' => 7, 'b' => 8, 'c' => 9] ]; $column = array_column($rows, 'a'); foreach ($array as &$val) { unset($val['a']); } if (!empty($rows)) { echo '____'; foreach ($array[0] as $key => $val) { echo '<th>' . $key . '</th>'; } echo '____'; foreach ($rows as $row) { echo '| '; foreach($row as $key => $val) { echo $val . ' | '; } echo ' |'; } echo '</table>'; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $rows in /in/lpqdt on line 8 Fatal error: Uncaught TypeError: array_column(): Argument #1 ($array) must be of type array, null given in /in/lpqdt:8 Stack trace: #0 /in/lpqdt(8): array_column(NULL, 'a') #1 {main} thrown in /in/lpqdt on line 8
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: rows in /in/lpqdt on line 8 Warning: array_column() expects parameter 1 to be array, null given in /in/lpqdt on line 8
Output for 7.3.32 - 7.3.33
Warning: array_column() expects parameter 1 to be array, null given in /in/lpqdt on line 8
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/lpqdt on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/lpqdt on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/lpqdt on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lpqdt on line 2
Process exited with code 255.
preferences:
305.69 ms | 401 KiB | 460 Q