javascript - PHP call to header() function is not working -


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i trying change page using php after set session variable. calling function code 

 echo "<a href='index.php?id=";            echo $row['id'];           echo "'><img src='images/pic_1.jpg'

the function called , variable set page never redirects

    <?php         function getid() {  echo $_get['id'];  session_start();  header("location: home.php");  $_session['id'] = $_get['id'];    }      if (isset($_get['id'])) {      getid();    }              ?>

i have tried both using exact url , file name none work. how have both page redirect , $_session['id'] variable work?

response headers have sent before response body in http. code contains echo statement (which starts sending body) before call header(), sending headers cannot work.


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