You have to load the JSON result string from the session. Then parse it and
extract the value using the description of the JSON result structure provided
in 'json_query_doc.txt'
JSON parsing can be done in Javascript or in PHP (since v. 5.2 JSON functions
are included in PHP). In any case you will need to know how to work with PHP
and how JSON is structured. There are docs available on the Web...
armin
> Hi Armin, after that I have query a layer I can find in the "session
> file" this string
>
> JSON_Results|s:580:"[ [{"name": "Limiti_Provinciali", "description":
> "Limiti_Provinciali", "header": ["@","PR"], "values": [ [{"shplink":
> ["Limiti_Provinciali","1","445635.40666512+4539798.8219411+512497.68423614+4592772.6295367"]},
> "BN"]]} , {"name": "Limiti_Comunali", "description": "Limiti_Comunali",
> "header": ["@","COMUNE"], "values": [ [{"shplink":
> ["Limiti_Comunali","47","475595.63608862+4548872.2345804+489090.57531073+4563727.3195491"]},
> {"hyperlink": ["Limiti_Comunali","COMUNE","Benevento","Benevento"]}]]} ],
> {"allextent": "", "zoomall": false, "autozoom": false, "infoWin": "window"}
> ]";
>
> I need to retrieve the field value from this string in order to use it in
> a php code like this (for example):
>
>
> <?php
> session_start();
> $field_value = $_SESSION['only the field value in JSON_Results string'];
>
> echo "The field value is " . $field_value;
> ?>
>
> thanks
> Marco
>
> Armin Burger <[EMAIL PROTECTED]> ha scritto: I don't understand exactly
> what you want to achieve. maybe the hyperlink
> function is the right start for you
>
> see
>
> http://svn.pmapper.net/trac/wiki/DocManual#Hyperlinks
>
> armin
>
>
> marco barra wrote:
> > Hi all
> > I have in my mapfile a layer of points. In the dbf file related to this
> layer there is a field that contain a link (in html
> > So when I query a point I can open the related html page from "query
> result" window, directly clicking in the field containing the link.
> > But I have a lot of point.............now the pictures have the same
> name of points and in dbf file there is a field containing point name, can I
> get the point name from the json_results in session file so I can use it in
> a php page to dinamically create the page with the picture? I dont
> understand how I can get only the "point_name" from the JSON_Results
> variable......I'm reading json_query_doc.txt, but I'm new with php and
> json..........
> > can someone help me???
> > regards
> > Marco
> > P.S. sorry for my english
> >
> >
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