Groceries On Sale Example Source Code

Groceries On Sale Example

Filename: groceries-onsale.php

<html>

<head>
<title>Groceries On Sale Example Example</title>
<link rel="stylesheet" type="text/css" href="../styles.css" />
</head>

<body>

<h2>Groceries On Sale Example</h2>

<form action="<?php echo "$_SERVER[PHP_SELF]"?>" method="POST">

<?php
    if (isset($_POST["onsale"]))
    {
        $onsale = $_POST["onsale"];
    }
    else
    {
        $onsale = "all";
    }
    
    if ($onsale == "all")
    {   
?>

<table border="1" cellpadding="5">
<tr> <th>Name</th> <th>Code</th> <th>Price</th> 
     <th>Quantity</th> <th>OnSale</th> </tr>

<?php
    $fin = fopen("groceries.txt", "rb");
    while($fields = fgetcsv($fin, 100, ","))
    {
        if ( $onsale == "all" ||
             ($onsale == "yes" && $fields[4]) ||
             ($onsale == "no" && !$fields[4]))
        {
            echo "<tr>";
            foreach ($fields as $field)
            {
                echo "<td>{$field}</td>";
            }
            echo "</tr>\n";
        }
    }
?>

</table>
</form>

</body>
</html>