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function drupal_html_class in Drupal 7

Prepares a string for use as a valid class name.

Do not pass one string containing multiple classes as they will be incorrectly concatenated with dashes, i.e. "one two" will become "one-two".

Parameters

$class: The class name to clean.

Return value

The cleaned class name.

12 calls to drupal_html_class()
contextual_pre_render_links in modules/contextual/contextual.module
Build a renderable array for contextual links.
dblog_overview in modules/dblog/dblog.admin.inc
Page callback: Displays a listing of database log messages.
DrupalHTMLIdentifierTestCase::testDrupalHTMLClass in modules/simpletest/tests/common.test
Tests that drupal_html_class() cleans the class name properly.
drupal_region_class in includes/common.inc
Provides a standard HTML class name that identifies a page region.
field_default_form in modules/field/field.form.inc
Creates a form element for a field and can populate it with a default value.

... See full list

File

includes/common.inc, line 3995
Common functions that many Drupal modules will need to reference.

Code

function drupal_html_class($class) {

  // The output of this function will never change, so this uses a normal
  // static instead of drupal_static().
  static $classes = array();
  if (!isset($classes[$class])) {
    $classes[$class] = drupal_clean_css_identifier(drupal_strtolower($class));
  }
  return $classes[$class];
}