3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array1 = [ [ 'id' => 12345 ], [ 'date_entered' => 'today' ] ]; $array2 = [ ['id' => NULL], [ 'date entered' => 'yesterday' ] ]; $result = array(); foreach($array1 as $key => $value){ $result = array_merge_recursive($array1[0],$array2[0]); } print_r($result); ?>
based on oT7qD
Output for 5.4.0 - 7.2.0
Array ( [id] => Array ( [0] => 12345 [1] => ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/6oer2 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/6oer2 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6oer2 on line 2
Process exited with code 255.