friends.php

<?php
require_once 'header.php';

if(!$loggedin) die();

if (isset($_GET['view']))$view=sanitizeString($_GET['view']);
else                     $view=$user;


if($view == $user)
{
  $name1 =$name2="Your";
  $name3= "You are";
}
else {
  $name1="<a href='members.php?view=$view'>$view</a>'s'";
  $name2="$view's";
  $name3="$view is";
}
echo "<div class='main'>";

showProfile($view);
$followers =array();
$following = array();


$result =queryMysql("SELECT * FROM friends WHERE user='$view'");
$num =$result -> num_rows;

for ($j=0 ;$j<$num ; ++$j)
{
  $row =$result->fetch_array(MYSQLI_ASSOC);
  $following[$j] =$row['friend'];

}

$result =queryMysql("SELECT * FROM friends WHERE friend='$view'");
$num =$result -> num_rows;
for ($j=0 ;$j<$num ; ++$j)
{
  $row =$result->fetch_array(MYSQLI_ASSOC);
  $following[$j] =$row['user'];

}


$mutual =array_intersect($followers,$following);
$followers=array_diff($followers,$mutual);
$following=array_diff($following,$mutual);
$friends = FALSE;

if(sizeof($mutual))
{
  echo "<span class='subhead'>$name2 mutual friends</span><ul>";
  foreach ($mutual as $friend)
    echo "<li><a href='mimbers.php?view=$friend'>$friend</a>";
  echo "</ul>";
  $friends= TRUE;

}


if(sizeof($followers))
{
  echo "<san class='subhead'>$name2 followers</span><ul>";
  foreach ($followers as $friend)
    echo "<li><a href='members.php?view=$friend'>$friend</a>";
  echo "</ul>";
  $friends=TRUE;

}

if(sizeof($following))
{
  echo "<san class='subhead'>$name3 following</span><ul>";
  foreach ($following as $friend)
    echo "<li><a href='members.php?view=$friend'>$friend</a>";
  echo "</ul>";
  $friends=TRUE;
}

if(!$friends) echo "<br>You dont have any friends yet.<br><br>";

echo "<a class ='button' href='messages.php?view=$view'>".
  "View $name2 messages</a>";
 ?>

 </div>
 <br>
 </body>
 </html>