public static function stripUnicodeRanges($content)
    {
        foreach (self::$stripUnicodeRanges as $range) {
            $content = self::stripUnicodeRange($content, $range[0], $range[1]);
        }

        return $content;
    }
public static function stripUnicodeRanges($content)
    {
        foreach (self::$stripUnicodeRanges as $range) {
            $content = self::stripUnicodeRange($content, $range[0], $range[1]);
        }

        return $content;
    }
public static function stripUnicodeRanges ( $ content ) { foreach ( self :: $ stripUnicodeRanges as $ range ) { $ content = self :: stripUnicodeRange ( $ content , $ range [ 0 ] , $ range [ 1 ] ) ; } return $ content ; }
Strips unusable unicode ranges

@param string $content Content to sanitize
@return string Sanitized content
Strips unusable unicode ranges