PHP JSON decode - stdClass
问题 I was having a question about making a 2D JSON string Now I would like to know why I can't access the following: $json_str = '{"urls":["http://example.com/001.jpg","http://example.com/003.jpg","http://example.com/002.jpg"],"alts":["testing int chars àèéìòóù stop","second description",""],"favs":["true", "false", "false"]}'; $j_string_decoded = json_decode($json_str); // echo print_r($j_string_decoded); // OK // test get url from second item echo j_string_decoded['urls'][1]; // Fatal error: