I've been using Themosis for a while now and am new to the "Collection" metafield.
I have the following metadata retrieved from my Collection of [type =>"image"]:
a:9:{i:0;s:4:"1892";i:1;s:4:"1891";i:2;s:4:"1890";i:3;s:4:"1888";i:4;s:4:"1887";i:5;s:4:"1886";i:6;s:4:"1885";i:7;s:4:"1884";i:8;s:4:"1883";}
Additionally, I know i = index and the quoted numbers are the image attachment IDs. What is the a:9 and s:4 in any case?
I can't seem to find any Themosis documentation on how to loop through a collection with metadata as described above.