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php_practice/exam115/index.php

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1.1 KiB
PHP

<?php
require '/var/www/nikola/practice/exam110/connect.inc.php';
?>
<form action="index.php" method="GET">
Choose a food type:
<select name="uh">
<option value="u">Unhealthy</option>
<option value="h">Healthy</option>
</select><br><br>
<input type="submit" value="Submit">
</form>
<?php
if (isset($_GET['uh']) && !empty($_GET['uh'])) {
$uh = strtolower($_GET['uh']);
if ($uh == 'u' || $uh == 'h') {
$query = "SELECT `food`, `calories` FROM `food` WHERE `healthy_unhealthy` = '$uh' ORDER BY `id` DESC";
if ($query_run = mysqli_query($con, $query)) {
if (mysqli_num_rows($query_run) == NULL) { // Ako je broj redova NULL
echo "No results fount!";
} else {
while ($query_row = mysqli_fetch_assoc($query_run)) {
$food = $query_row['food'];
$calories = $query_row['calories'];
echo $food . ' has ' . $calories . ' calories.<br>';
}
}
} else {
echo 'Query failed.';
}
} else {
echo 'Must be u or h';
}
}