2;$K[$z]=$L[$z];}return$K;}}}function
escape_key($z){if(preg_match('(^([\w(]+)('.str_replace("_",".*",preg_quote(idf_escape("_"))).')([ \w)]+)$)',$z,$C))return$C[1].idf_escape(idf_unescape($C[2])).$C[3];return
idf_escape($z);}function