a:1:{i:0;a:7:{s:2:"id";s:1:"5";s:6:"obj_id";s:4:"1415";s:8:"obj_type";s:9:"materials";s:4:"name";s:18:"tablice_chemia.pdf";s:8:"filename";s:39:"upload/image/zadania/tablice_chemia.pdf";s:4:"slug";s:10:"48eeaa696c";s:4:"type";s:1:"1";}}