How to Insert Multiple Data using PHP Ajax

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Here we using 2 file for Insert data from MySql database using Ajax.

  1. index.php
  2. insert-ajax.php

Table user_data

CREATE TABLE `user_data` (
   `id` int(11) NOT NULL,
   `Name` varchar(100) NOT NULL,
   `email` varchar(50) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

index.php

<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
</head>
<body>
<div style="margin: auto;width: 60%;">
<form id="form1" name="form1" method="post">
<div class="form-group">
<label for="email">Student Name:</label>
<input type="text" name="sname" class="form-control" id="name">
</div>
<div class="form-group">
<label for="pwd">Student email:</label>
<input type="text" name="email" class="form-control" id="email">
</div>
<input type="button" name="send" class="btn btn-primary" value="add data" id="butsend">
<input type="button" name="save" class="btn btn-primary" value="Save to database" id="butsave">
</form>
<table id="table1" name="table1" class="table table-bordered">
<tbody>
<tr>
<th>ID</th>
<th>Name</th>
<th>email</th>
<th>Action</th>
<tr>
</tbody>
</table>
</div>
<script>
$(document).ready(function() {
var id = 1; 
/*Assigning id and class for tr and td tags for separation.*/
$("#butsend").click(function() {
var newid = id++; 
$("#table1").append('<tr valign="top" id="'+newid+'">\n\
<td width="100px" >' + newid + '</td>\n\
<td width="100px" class="name'+newid+'">' + $("#name").val() + '</td>\n\
<td width="100px" class="email'+newid+'">' + $("#email").val() + '</td>\n\
<td width="100px"><a href="javascript:void(0);" class="remCF">Remove</a></td>\n\ </tr>');
});
$("#table1").on('click', '.remCF', function() {
$(this).parent().parent().remove();
});
/*crating new click event for save button*/
$("#butsave").click(function() {
var lastRowId = $('#table1 tr:last').attr("id"); /*finds id of the last row inside table*/
var name = new Array(); 
var email = new Array();
for ( var i = 1; i <= lastRowId; i++) {
name.push($("#"+i+" .name"+i).html()); /*pushing all the names listed in the table*/
email.push($("#"+i+" .email"+i).html()); /*pushing all the emails listed in the table*/
}
var sendName = JSON.stringify(name); 
var sendEmail = JSON.stringify(email);
$.ajax({
url: "save.php",
type: "post",
data: {name : sendName , email : sendEmail},
success : function(data){
alert(data); /* alerts the response from php.*/
}
});
});
});
</script>
</body>
</html>

insert-ajax.php

 <?php
$nameArr = json_decode($_POST["name"]);
$emailArr = json_decode($_POST["email"]);
$con=mysqli_connect("localhost","root","","php_ajax");
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
for ($i = 0; $i < count($nameArr); $i++) {
if(($nameArr[$i] != "")){ /*not allowing empty values and the row which has been removed.*/
$sql="INSERT INTO user_data (Name, email)
VALUES
('$nameArr[$i]','$emailArr[$i]')";
if (!mysqli_query($con,$sql))
{
die('Error: ' . mysqli_error($con));
}
}
}
Print "Data added Successfully !";
mysqli_close($con);
?>
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