How to Update Multiple Row In PHP


Database

CREATE TABLE `test` (
  `id` int(11) NOT NULL,
  `name` varchar(20) NOT NULL,
  `lastname` varchar(20) NOT NULL,
  `email` varchar(20) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

update.php

<?php

$host="localhost"; /* Host name */
$username="root"; /* Mysql username */
$password=""; /* Mysql password */
$db_name="test"; /* Database name */
$tbl_name="test"; /* Table name */

/* Connect to server and select databse. */
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");

$sql="SELECT * FROM $tbl_name";
$result=mysql_query($sql);

/* Count table rows */
$count=mysql_num_rows($result);
?>
<?php

/* Check if button name "Submit" is active, do this */
if(isset($_POST['Submit']))
{
	$count=count($_POST["id"]);
	
for($i=0;$i<$count;$i++){
$sql1="UPDATE $tbl_name SET name='" . $_POST['name'][$i] . "', lastname='" . $_POST['lastname'][$i] . "', email='" . $_POST['email'][$i] . "' WHERE id='" . $_POST['id'][$i] . "'";
$result1=mysql_query($sql1);
}
}

echo $count;
mysql_close();
?>
<table width="500" border="0" cellspacing="1" cellpadding="0">
<form name="form1" method="post" action="">
<tr>
<td>
<table width="500" border="0" cellspacing="1" cellpadding="0">

<tr>
<td align="center"><strong>Id</strong></td>
<td align="center"><strong>Name</strong></td>
<td align="center"><strong>Lastname</strong></td>
<td align="center"><strong>Email</strong></td>
</tr>

<?php
while($rows=mysql_fetch_array($result)){
?>

<tr>
<td align="center">
<input name="id[]" type="text" id="id" value="<?php echo $rows['id']; ?>">

</td>
<td align="center">
<input name="name[]" type="text" id="name" value="<?php echo $rows['name']; ?>">
</td>
<td align="center">
<input name="lastname[]" type="text" id="lastname" value="<?php echo $rows['lastname']; ?>">
</td>
<td align="center">
<input name="email[]" type="text" id="email" value="<?php echo $rows['email']; ?>">
</td>
</tr>

<?php
}
?>

<tr>
<td colspan="4" align="center"><input type="submit" name="Submit" value="Submit"></td>
</tr>
</table>
</td>
</tr>
</form>
</table>