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Source View: sanitize_html_class

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Line Code
881      //Strip out any % encoded octets
882      $sanitized = preg_replace( '|%[a-fA-F0-9][a-fA-F0-9]|', '', $class );
883
884      //Limit to A-Z,a-z,0-9,_,-
885      $sanitized = preg_replace( '/[^A-Za-z0-9_-]/', '', $sanitized );
886
887      if ( '' == $sanitized )
888           $sanitized = $fallback;
889
890      return apply_filters( 'sanitize_html_class', $sanitized, $class, $fallback );
891 }
892
893 /**
894  * Converts a number of characters from a string.
895  *
896  * Metadata tags <<title>> and <<category>> are removed, <<br>> and <<hr>> are
897  * converted into correct XHTML and Unicode characters are converted to the
898  * valid range.
899  *