php - session is not storing value for the first time -

i unable print data in first run can print in second run.i want print data in first run itself.

i have 3 files 1. main files sends ajax post,print data(main.php) 2. put sent data session(put.php) 3. print data excel(print.php)

main.php

<?php session_start(); echo '<p class="first">abc</p>'; //dom <p class="first">abc</p> ?> $(document).ready(function(){    var value = $('.first').text();      myfun();     function myfun(){         $.post("put.php", {"content":value},function(data){             console.log(data);         });   }   window.location.href ='print.php';  }); 

put.php

<?php     session_start();     $_session["content"] = $_post["content"];  ?> 

print.php // these file print excel code simple

<?php  session_start(); header("content-type:application/xls"); $table = '<table><tr><th>name</th></tr>'; $table .='<tr><td>'.$_session["content"].'</td></tr></table>'; echo $table; header("content-disposition: attachment; filename = new.xls"); ?> 

please me,thanks in advance.

why

js won't stop exec when ajax not complete, should redirect after ajax complete make sure $_session["content"] has set

fix

change

$(document).ready(function(){    var value = $('.first').text();      myfun(); //i missing      function myfun(){         $.post("put.php", {"content":value},function(data){             console.log(data);         });   }   window.location.href ='print.php';  }); 

to

$(document).ready(function(){    var value = $('.first').text();      myfun(); //i missing     function myfun(){         $.post("put.php", {"content":value},function(data){             console.log(data);             window.location.href ='print.php';         });   }  });