private static function ArrayConverter::getElementByPath in Plug 7

1 call to ArrayConverter::getElementByPath()

ArrayConverter::expandToTree in lib/Symfony/translation/Util/ArrayConverter.php

Converts linear messages array to tree-like array. For example this rray('foo.bar' => 'value') will be converted to array('foo' => array('bar' => 'value')).

File

lib/Symfony/translation/Util/ArrayConverter.php, line 51

Class

ArrayConverter

ArrayConverter generates tree like structure from a message catalogue. e.g. this 'foo.bar1' => 'test1', 'foo.bar2' => 'test2' converts to follows: foo: bar1: test1 bar2: test2.

Namespace

Symfony\Component\Translation\Util

Code

private static function &getElementByPath(array &$tree, array $parts) {
  $elem =& $tree;
  $parentOfElem = null;
  foreach ($parts as $i => $part) {
    if (isset($elem[$part]) && is_string($elem[$part])) {

      /* Process next case:
       *    'foo': 'test1',
       *    'foo.bar': 'test2'
       *
       * $tree['foo'] was string before we found array {bar: test2}.
       *  Treat new element as string too, e.g. add $tree['foo.bar'] = 'test2';
       */
      $elem =& $elem[implode('.', array_slice($parts, $i))];
      break;
    }
    $parentOfElem =& $elem;
    $elem =& $elem[$part];
  }
  if (is_array($elem) && count($elem) > 0 && $parentOfElem) {

    /* Process next case:
     *    'foo.bar': 'test1'
     *    'foo': 'test2'
     *
     * $tree['foo'] was array = {bar: 'test1'} before we found string constant `foo`.
     * Cancel treating $tree['foo'] as array and cancel back it expansion,
     *  e.g. make it $tree['foo.bar'] = 'test1' again.
     */
    self::cancelExpand($parentOfElem, $part, $elem);
  }
  return $elem;
}