[英]How to delete a record in database using php? I have some of my codes in deleting but it won't delete the record
這是我的 deleteriddle.php 但它不起作用。 請幫我
<?php
require("dbcon.php");
$ridid = isset ($_GET['riddleid'])?$_GET['riddleid']:"";
$query = sprintf("DELETE FROM riddle WHERE riddleid= '$ridid'");
$result = mysql_query($query);
if (!$result) {
die('Invalid query: ' . mysql_error());
}
else {
echo '<script type="text/javascript">
alert("Riddle successfully delete");
window.location.href = "viewriddle.php";
</script>';
}
mysql_close($dbcon);
?>
嘗試這個 :
$query = sprintf("DELETE FROM riddle WHERE riddleid= %u", $ridid);
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