domain_alias_best_match

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domain

domain_alias_best_match($subdomain, $patterns)

Given multiple choices for an alias, find the best match.

Parameters

$subdomain The requested subdomain string.

$patterns An array of patterns and aliase data that match the given subdomain string.

Return value

The best match, as an $alias array.

Code

domain_alias/domain_alias.module, line 216

<?php
function domain_alias_best_match($subdomain, $patterns) {
  $alias = array();
  $test = -1;
  $request = explode('.', $subdomain);
  foreach ($patterns as $pattern) {
    $match = explode('.', $pattern['pattern']);
    $count = count(array_intersect($match, $request));
    if ($count > $test) {
      $test = $count;
      $alias = $pattern;
    }
  }
  return $alias;
}
?>