function _styles_drupal_static in Styles 6

Same name and namespace in other branches

1. 6.2 includes/styles.variables.inc \_styles_drupal_static()

Backport of Drupal 7's drupal_static function.

5 calls to _styles_drupal_static()

styles_containers in ./styles.module

Get an array of all defined style containers.

styles_get_registered_classes in ./styles.module

Builds a registry of Style classes.

styles_get_styles_class_by_class_name in ./styles.module

Return the registered Styles class definition specified by name.

styles_presets in ./styles.module

Return an array of all style presets.

styles_styles in ./styles.module

Get an array of all available styles.

File

includes/styles.variables.inc, line 157

styles.variables.inc Variable defaults for Styles.

Code

function &_styles_drupal_static($name, $default_value = NULL, $reset = FALSE) {
  static $data = array(), $default = array();
  if (!isset($name)) {

    // All variables are reset. This needs to be done one at a time so that
    // references returned by earlier invocations of drupal_static() also get
    // reset.
    foreach ($default as $name => $value) {
      $data[$name] = $value;
    }

    // As the function returns a reference, the return should always be a
    // variable.
    return $data;
  }
  if ($reset) {

    // The reset means the default is loaded.
    if (array_key_exists($name, $default)) {
      $data[$name] = $default[$name];
    }
    else {

      // Reset was called before a default is set and yet a variable must be
      // returned.
      return $data;
    }
  }
  elseif (!array_key_exists($name, $data)) {

    // Store the default value internally and also copy it to the reference to
    // be returned.
    $default[$name] = $data[$name] = $default_value;
  }
  return $data[$name];
}