Functions that retrieve Media resources from the server previously connected to. Each function either retrieves an individual resource or a page of resources, depending on the arguments provided.
Arguments
- id
 id value (usually
numeric, but not always) used to refer to the specific resource to pull from the database- page
 numericvalue referring to the page of resources to pull. If neither an id or a page parameter is provided, function will pull the first page of resources (i.e.page=1)- url
 URL string of the Symbiota2 portal to be connected to. A trailing
/will be appended, if it is not given.
Note
To specify a default URL to refer to, see SymbiotaR2_setup()
