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like_main.php
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like_main.php
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<?php
session_start();
if(!isset($_SESSION['loggedin']) || $_SESSION['loggedin'] !==true)
{
header("location: login.php");
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<?php
$con = mysqli_connect('localhost','root','');
if (!$con) {
die('Could not connect: ' . mysqli_error($con));
}
mysqli_select_db($con,"cryptrack");
$cid=3;
$uid=$_SESSION['uid'];
$sql = "SELECT * from likes where uid=$uid and cid=$cid";
$result= $con -> query($sql);
$num_rows = mysqli_num_rows($result);
$img_link_liked="img/icons/heart-fill.png";
$img_link_unliked="img/icons/heart-line.png";
if($num_rows==0)
{
echo'<a href="like.php?cid='.$cid.'"><img src="'.$img_link_unliked.'" alt=""></a>';
}
else
{
echo'<a href="unlike.php?cid='.$cid.'"><img src="'.$img_link_liked.'" alt=""></a>';
}
?>
</body>
</html>