This script is "How to implode csv file into a database".

<?php

//connect to the database
$connect = mysql_connect("localhost","root","");
//select the table
mysql_select_db("your database name",$connect);

if (@$_FILES['csv']['size'] > 0) {

//get the csv file

@$file = $_FILES['csv']['tmp_name'];
$handle = fopen(@$file,"r");

//loop through the csv file and insert into database

do {
if ($data[0]) {
$val = explode(';',$data[0]);
mysql_query("INSERT INTO your table name set contact_first='".str_replace('"','',($val[1]))."',contact_last='".str_replace('"',''
($val[2]))."',contact_email='".str_replace('"','',($val[3]))."'");
}
}
while ($data = fgetcsv($handle,1000,",","'"));
//redirect
header('Location: import.php?success=1'); die;

}
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Import a CSV File</title>
</head>
<body>
<?php if (!empty($_GET['success'])) { echo "<b>Your file has been imported.</b><br><br>"; } ?>
<form action="" method="post" enctype="multipart/form-data" name="form1" id="form2">
Choose your file: <br />
<input name="csv" type="file" id="csv" />
<input type="submit" name="Submit" value="Submit" />
</form>
</body>
</html>

I hope it will help you.