function _node_noindex_preg_grep_keys in Node Noindex 7

Helper function: get keys from array matching pattern.

1 call to _node_noindex_preg_grep_keys()

node_noindex_html_head_alter in ./node_noindex.module

Implements hook_html_head_alter().

File

./node_noindex.module, line 69

Code

function _node_noindex_preg_grep_keys($pattern, $array, $flags = 0) {
  $keys = array_intersect_key($array, array_flip(preg_grep($pattern, array_keys($array), $flags)));
  return $keys;
}