Online PHP editor | output for 4VKNg

@ 2015-04-03T07:42:24Z

<?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'
];

     public static 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);

Output for 5.4.0 - 5.4.39: Parse error: syntax error, unexpected 'public' (T_PUBLIC) in /in/4VKNg on line 13
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/4VKNg on line 3
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/4VKNg on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/4VKNg on line 3
Process exited with code 255.

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