function _xmlsitemap_get_optimal_memory_limit in XML sitemap 7.2

Same name and namespace in other branches

1. 6.2 xmlsitemap.generate.inc \_xmlsitemap_get_optimal_memory_limit()

Calculate the optimal PHP memory limit for sitemap generation.

This function just makes a guess. It does not take into account the currently loaded modules.

1 call to _xmlsitemap_get_optimal_memory_limit()

_xmlsitemap_set_memory_limit in ./xmlsitemap.generate.inc

Calculate the optimal memory level for sitemap generation.

File

./xmlsitemap.generate.inc, line 98

Sitemap generation and rebuilding functions for the xmlsitemap module.

Code

function _xmlsitemap_get_optimal_memory_limit() {
  $optimal_limit =& drupal_static(__FUNCTION__);
  if (!isset($optimal_limit)) {

    // Set the base memory amount from the provided core constant.
    $optimal_limit = parse_size(DRUPAL_MINIMUM_PHP_MEMORY_LIMIT);

    // Add memory based on the chunk size.
    $optimal_limit += xmlsitemap_get_chunk_size() * 500;

    // Add memory for storing the url aliases.
    if (variable_get('xmlsitemap_prefetch_aliases', 1)) {
      $aliases = db_query("SELECT COUNT(pid) FROM {url_alias}")
        ->fetchField();
      $optimal_limit += $aliases * 250;
    }
  }
  return $optimal_limit;
}