function _pathauto_alias_exists in Pathauto 5.2

Same name and namespace in other branches

1. 5 pathauto.module \_pathauto_alias_exists()
2. 6.2 pathauto.inc \_pathauto_alias_exists()
3. 6 pathauto.inc \_pathauto_alias_exists()
4. 7 pathauto.inc \_pathauto_alias_exists()

Check to see if there is already an alias pointing to a different item.

Parameters

$alias: A string alias (i.e. dst).

$src: A string that is the internal path.

Return value

TRUE if an alias exists, FALSE if not.

1 call to _pathauto_alias_exists()

pathauto_create_alias in ./pathauto.inc

Apply patterns to create an alias.

File

./pathauto.inc, line 64

Miscellaneous functions for Pathauto.

Code

function _pathauto_alias_exists($alias, $src) {
  $alias_pid = db_result(db_query("SELECT pid FROM {url_alias} WHERE dst = '%s' AND src <> '%s'", $alias, $src, 0, 1));
  if (function_exists('path_redirect_delete')) {

    // Delete from path_redirect the exact same alias to the same node.
    path_redirect_delete($alias, $src);

    // If there still is this alias used in path_redirect, then create a different alias
    $redirect_rid = db_result(db_query_range("SELECT rid FROM {path_redirect} WHERE path = '%s'", $alias, 0, 1));
  }
  if ($alias_pid || !empty($redirect_rid)) {
    return TRUE;
  }
  else {
    return FALSE;
  }
}