wpseek.com
A WordPress-centric search engine for devs and theme authors
sanitize_html_class › WordPress Function
Since2.8.0
Deprecatedn/a
› sanitize_html_class ( $classname, $fallback = '' )
Parameters: (2) |
|
Returns: |
|
Defined at: |
|
Codex: |
Sanitizes an HTML classname to ensure it only contains valid characters.
Strips the string down to A-Z,a-z,0-9,_,-. If this results in an empty string then it will return the alternative value supplied.Related Functions: sanitize_hex_color, sanitize_term, sanitize_meta, sanitize_term_field, sanitize_hex_color_no_hash
Source
function sanitize_html_class( $classname, $fallback = '' ) {
// Strip out any percent-encoded characters.
$sanitized = preg_replace( '|%[a-fA-F0-9][a-fA-F0-9]|', '', $classname );
// Limit to A-Z, a-z, 0-9, '_', '-'.
$sanitized = preg_replace( '/[^A-Za-z0-9_-]/', '', $sanitized );
if ( '' === $sanitized && $fallback ) {
return sanitize_html_class( $fallback );
}
/**
* Filters a sanitized HTML class string.
*
* @since 2.8.0
*
* @param string $sanitized The sanitized HTML class.
* @param string $classname HTML class before sanitization.
* @param string $fallback The fallback string.
*/
return apply_filters( 'sanitize_html_class', $sanitized, $classname, $fallback );
}