When using multiple pageIDs with searchurlfrompage it returns this JSON
example
--post-data='action=searchurlfrompage&pageids=34638|36648'
"arguments": { "action": "searchurlfrompage", "pageids": "34638|36648" }, "urls": { "59708": { "id": "59708", "url": "http:\/\/abc7.com\/archive\/7896689\/", "normalizedurl": "http:\/\/abc7.com\/archive\/7896689\/", "accesstime": "2014-10-06 00:00:00", "hasarchive": true, "live_state": "alive", "state_level": "url", "lastheartbeat": "2018-04-01 11:25:29", "assumedarchivable": true, "archived": true, "attemptedarchivingerror": null, "reviewed": true, "archive": "http:\/\/archive.wikiwix.com\/cache\/20141008023904\/http:\/\/abc7.com\/archive\/7896689\/", "snapshottime": "2014-10-08 02:39:04", "reviewedby": "Wikiwix-bot", "reviewedon": "2018-03-17 13:00:56" },
There's no way to tell if URL 59708 is a member of pageid 34638 or 36648