3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = [ 0 => [ 'val' => 3, 'param' => 2 ], 1 => [ 'val' => 3, 'param' => 10 ] ]; echo max(array_map( array_column($a, 'param'), $array ));
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: a in /in/LZrXm on line 13 Warning: array_column() expects parameter 1 to be array, null given in /in/LZrXm on line 14 Notice: Array to string conversion in /in/LZrXm on line 14 Array
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: a in /in/LZrXm on line 14 Warning: array_column() expects parameter 1 to be array, null given in /in/LZrXm on line 14 Notice: Array to string conversion in /in/LZrXm on line 16 Array
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/LZrXm on line 14
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/LZrXm on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/LZrXm on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LZrXm on line 2
Process exited with code 255.