function views_clean_css_identifier
3.x views.module | views_clean_css_identifier($identifier, $filter = array(' ' => '-', '/' => '-', '[' => '-', ']' => '')) |
Prepare a string for use as a valid CSS identifier (element, class or ID name). This function is similar to a core version but with more sane filter values.
http://www.w3.org/TR/CSS21/syndata.html#characters shows the syntax for valid CSS identifiers (including element names, classes, and IDs in selectors.)
Parameters
$identifier: The identifier to clean.
$filter: An array of string replacements to use on the identifier.
Return value
The cleaned identifier.
See also
3 calls to views_clean_css_identifier()
- views_handler_field::element_classes in handlers/
views_handler_field.inc - Return the class of the field.
- views_handler_field::element_label_classes in handlers/
views_handler_field.inc - Return the class of the field's label.
- views_handler_field::element_wrapper_classes in handlers/
views_handler_field.inc - Return the class of the field's wrapper.
1 string reference to 'views_clean_css_identifier'
- template_preprocess_views_view_list in theme/
theme.inc - Display the view as an HTML list element
File
- ./
views.module, line 2304 - Primarily Drupal hooks and global API functions to manipulate views.
Code
function views_clean_css_identifier($identifier, $filter = array(' ' => '-', '/' => '-', '[' => '-', ']' => '')) {
// By default, we filter using Drupal's coding standards.
$identifier = strtr($identifier, $filter);
// Valid characters in a CSS identifier are:
// - the hyphen (U+002D)
// - a-z (U+0030 - U+0039)
// - A-Z (U+0041 - U+005A)
// - the underscore (U+005F)
// - 0-9 (U+0061 - U+007A)
// - ISO 10646 characters U+00A1 and higher
// We strip out any character not in the above list.
$identifier = preg_replace('/[^\x{002D}\x{0030}-\x{0039}\x{0041}-\x{005A}\x{005F}\x{0061}-\x{007A}\x{00A1}-\x{FFFF}]/u', '', $identifier);
return $identifier;
}