array parseProperties(string $propertyString);
$propertyString - строка конфигурации
$propertys = "&tinyFormats=Block Formats;text;p,h1,h2,h3,h4,h5,h6,div,blockquote,code,pre,address &entity_encoding=Entity Encoding;list;named,numeric,raw;named";
$txt = $modx->parseProperties($propertys);
print_r($txt); // полученный результат:
/* Array ( [tinyFormats] => p,h1,h2,h3,h4,h5,h6,div,blockquote,code,pre,address [entity_encoding] => named
)
*/