jquery - Why is this running my separate php file when it shouldnt? -

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i have multiple pages sorting out table based on specification. created page each table sort want on 1 page.

i have little snippet of code when log onto dashboard first time.

session_start(); $user = $_session['user']; if(empty($_session['table'])){     $_session['table'] = "dashboard";  }

i have jquery function @ bottom.

<script type="text/javascript" src="jquery.min.js"></script> <script type="text/javascript"> function changestring() {     $.get("changestring.php");     return false; }

and have setup when click on image change string conditional , sort out out accordingly.

here's table conditional:

 if($_session['table'] == "dashboard"){       $sql1=mysql_query("select email loggedin session_id='$user'");       $sess=mysql_fetch_array($sql1);       $newvalue=$sess['email'];       $sql2= mysql_query("select * food owneremail='$newvalue'");      }        elseif($_session['table'] == "pantry"){        $sql1=mysql_query("select email loggedin session_id='$user'");       $sess=mysql_fetch_array($sql1);       $newvalue=$sess['email'];        $sql2= mysql_query("select * food owneremail='$newvalue' , container='pantry'");

here's img link:

<a href="#" onclick="changestring()";><img src="iconpantry.png" class="img-responsive"></a>

and here's separate php file called changestring.php

<?php  session_start(); $_session['table'] = "pantry";   ?>:

now whats happening when first log in, reason automatically sets $_session['table'] = "pantry".

without me clicking on image.

why happening?

@user3503344 's answer correct fixes code reset session on login , didn't before. in general if setting not going consistent (i.e. resets each time user logins) better use variables.

what if user has 2 tabs of site open , wants different setting on each tab ? can't sessions .

so change table conditional to

if(!isset($_get['table']) || $_get['table'] == "dashboard"){   //this happens if ?table=x not exits or set dashboard   $sql1=mysql_query("select email loggedin session_id='$user'");   $sess=mysql_fetch_array($sql1);   $newvalue=$sess['email'];   $sql2= mysql_query("select * food owneremail='$newvalue'");  }elseif($_get['table'] == "pantry"){   $sql1=mysql_query("select email loggedin session_id='$user'");   $sess=mysql_fetch_array($sql1);   $newvalue=$sess['email'];   $sql2= mysql_query("select * food owneremail='$newvalue' , container='pantry'"); }

and button should :

<a href="?table=pantry"><img src="iconpantry.png" class="img-responsive"></a>

this way user can bookmark site preferences doesn't have press button each time if wants see pantry table default .


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