Thursday, 15 January 2015

How to pass value from Javascript to php variable on the second page?

hello

How to pass value from Javascript to php variable on the second page?

I am giving example of how pass value using javascript.

create .php file like demo.php write to code




<html>
<head>
    
    <script type="text/javascript">
        var price = 0;
        var item_name;
        var quantity;
        function vegetable(price,item){
            this.price=price;
            this.item_name=item;
            alert(price+" "+item);
        }
        function getPrice(){
            alert("This is the latest: "+this.price+" "+this.item_name);
        }
        function send(quantity){
             window.location.href = "get_price.php?price="+price+'&qunatity=' +quantity;
        }
    </script>
</head>
<body>
        <h2>MY Vegetables </h2>
    <ul>
        <li><script type="text/javascript">var price1=12, itm1="Amaranth";</script><a href="#" onclick="vegetable(price1, itm1);"><strong>Amaranth</strong> $10</a></li>
        <li><script type="text/javascript">var price2=1, itm2="Bitter Gourd";</script><a href="#" onclick="vegetable(price2, itm2);"><strong>Bitter Gourd</strong> $15</a></li>
        <li><script type="text/javascript">var price3=5, itm3="Broad beans";</script><a href="#" onclick="vegetable(price3, itm3);"><strong>Broad beans</strong> $16</a></li>
        <li><a href="#" onclick="getPrice();">click Get Vegetables </a></li>

        <li><script type="text/javascript">var quantity=10;</script><a href="#" onclick="send(quantity);">Submit</a></li>
      
    </ul>
</body>
</html>

after include another file get price. create get_price.php

<html>
<head>
<?php
    $price = $_GET['price'];
    $qunatity = $_GET['qunatity'];
?>
</head>
<body>
<?php
       echo "<h1>Price Value</h1>";
       echo $price;
       
       echo "<h1>Quanity </h1>";
       echo $qunatity;
       
?>
</body>
</html>

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