html - Using PHP Sessions to update content on another page -

just learnt php sessions need learn how use them properly. can declare variables on seperate php document , call them other pages? if can show me simple example.

also note snippet below in html

<select id="baby_status">    <option value="playing">playing</option>    <option value="awake">awake</option>    <option value="sleeping">sleeping</option>  </select>

how use php example: if baby status = "awake" when click submit display picture of baby being awake on page 2?

an explanation great if can show me code use great still learning.

thanks in advance

you can using $_post

your html code this.

<form method="post" action="page2.php">      <select name="baby_status">         <option value="playing">playing</option>         <option value="awake">awake</option>         <option value="sleeping">sleeping</option>     </select>     <input type="submit" value="submit"/> </form> 

and page2.php this.

<?php if (isset($_post['baby_status'])) {     $baby = $_post['baby_status'];     if ($baby == "awake") {         echo '<img src="awaking_baby.png"/>';     } } ?> 

if answer worked don't forget mark correct. because other solve there problem. thank you.