3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $input = [ 'a.b.c.d = 1', 'a.b.c.e = Joey', 'a.b.c.f = Smith', 'a.b.g.d = 2', 'a.b.g.e = Chris', 'a.b.g.f = Divner' ]; function mapProfilePrefix($data, $prefix = ''){ // define $temp $temp = array(); foreach($data as $key => $value){ // define $nextKey $nextKey = $prefix . (empty($prefix) ? '' : '.') . $key; if(is_array($value)){ $temp = $temp + mapProfilePrefix($value, $nextKey); } else { $temp[$nextKey] = $value; } } return $temp; } echo mapProfilePrefix($input);
based on 4VKNg
Output for 5.4.0 - 7.2.0
Notice: Array to string conversion in /in/j58N3 on line 30 Array
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/j58N3 on line 3
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/j58N3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/j58N3 on line 3
Process exited with code 255.