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How to Insert Multiple Form Inputs into a Database Using AJAX and PHP?
How to Insert Multiple Form Inputs into a Database Using AJAX and PHP?
Dec 05, 2024 am 03:59 AM
Using Ajax and PHP to Insert Multiple Form Inputs into a Database
The provided form generates multiple input fields based on user selection. To submit this data to a database using Ajax, several steps are involved:
1. Generate Multiple Input Fields:
The PHP code generates multiple input fields using a loop, as shown in your example:
<?php
$i = 1;
while ($i <= $num_to_enter) {
$form_output .= "First Name: <input>2. Create an Ajax Function:
The JavaScript function captures the data from all input fields and sends it to the PHP script:
function MyFunction() {
var i = 1;
var x = $('#num_to_enter').val();
var data = "";
var errorMessage = false;
// Check if all fields are filled
while (i <= x) {
var name = $('#fname' + i).val();
var lname = $('#lname' + i).val();
var email = $('#Email' + i).val();
if (name == "" || lname == "" || email == "") {
errorMessage = true;
}
data += "fname[" + i + "]=" + name + "&lname[" + i + "]=" + lname + "&email[" + i + "]=" + email + "&";
i++;
}
if (!errorMessage) {
$('#SuccessDiv').html('Entering Info. <img src="images/processing.gif" />');
$.ajax({
url: 'process.php',
type: "POST",
data: data,
success: function(data) {
window.setTimeout(function() {
$('#SuccessDiv').html('Info Added!');
$('#data').css("display","block");
$('#data').html(data);
}, 2000);
}
});
} else {
alert('Please fill out all fields.');
}
return false;
}
3. Process the Ajax Request in PHP:
The process.php script receives the POST data and inserts it into the database:
<?php
$i = 1;
while ($i <= $_POST['num_to_enter']) {
$fname = $_POST['fname[' . $i . ']'];
$lname = $_POST['lname[' . $i . ']'];
$email = $_POST['email[' . $i . ']'];
// Execute INSERT query into database
// Set $sql accordingly for your database syntax
$i++;
}
?>
4. Return a JSON Response:
After successfully inserting the data, the process.php script sends a JSON response to the Ajax function. This response can be used to display a success message, for example.
echo json_encode(array('success' => true));
?>
5. Handle the JSON Response in the Ajax Function:
In the JavaScript Ajax function, the success method handles the JSON response from the PHP script:
success: function(data) {
if (data.success) {
// Display a success message
} else {
// Display an error message
}
}
By following these steps, you can successfully submit data from multiple form inputs to a database using Ajax and PHP.
The above is the detailed content of How to Insert Multiple Form Inputs into a Database Using AJAX and PHP?. For more information, please follow other related articles on the PHP Chinese website!
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