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AJax not calling php file correctly, html forms

UPDATE:
This is the error:
412 (Precondition Failed)
I am trying to call a php script from ajax, I currently have the below ajax, which when the button in the form (also below) is clicked will call a php script passing it the form data, which will then be submitted to the database.
However, it is not working; and what's more I am just getting a blank error back, so I do not even know what is going wrong.
Could someon please point me in the right direction?
Thanks.
HTML form:
<form name="report-form" id="report-form" action="" method="POST">
<textarea id="reason-box" type="text" name="reason-box" cols="40" rows="5" maxlength="160" onkeypress=""></textarea>
<input id="reportedID" name="reportedID" type="text" />
<!--<input id="report-submit" value="" name="submit" type="submit" onclick="submitReport()"/> -->
<button id="report-submit" name="submit" onclick="submitReport()"></button>
</form>
AJax call:
function submitReport()
{
var ID=$('#reportedID').val();
var reason=$('#reason-box').val();
var formData = "ID="+ID+"&reason="+reason;
alert(formData);
//This code will run when the user submits a report.
$.ajax(
{
url: 'submit_report.php',
type: "POST",
data: formData,
success: function(data)
{
alert("Report Submitted!");
},
error: function(xhr,err)
{
alert(err.message);
alert("responseText: "+ xhr.responseText);
}
});
}
Now I have already tested the php script, and that works fine, the problem started when I added the ajax call so I know it is something to do with the ajax not the php.

This should correct the problem with submitting:
Your jQuery Ajax call won't succeed because the POST data isn't supplied in the correct format.
If the ajax should succeed the form is also posted resulting in a 405 error.
<button id="report-submit" name="submit" onclick="submitReport(event)"></button>
function submitReport(event)
{
event.preventDefault();
....... // your code
}
Now the default action of your form will be prevented (resulting in a 405 error). And only the ajax request is submitted.
In the button element we pass the event object on to the function. We use event.preventDefault() to make sure the button doesn't run it's default action, which is submitting the form.
You could also prevent this by deleting the form element as a wrapper, but maybe you want to use other features (like validation) on the form.
Form data in a jQuery ajax request needs to be an object called data:
var formData = {"ID" : ID, "reason" : reason};
jQuery will reform this to a correct query string for the submit.

I would do it like this:
<form name="report-form" id="report-form" action="" method="POST">
<textarea id="reason-box" type="text" name="reason-box" cols="40" rows="5" maxlength="160"></textarea>
<input id="reportedID" name="reportedID" type="text" />
<button id="report-submit" type="submit" name="submit" value="submit"></button>
</form>
<script type="text/javascript">
jQuery("document").ready(function(){
var $ = jQuery
$("form").submit(function(){
var data = "";
data = $(this).serialize() + "&" + $.param(data);
$.ajax({
type: "POST",
url: "submit_report.php",
data: data,
success: function(data)
{
alert("Report Submitted!");
},
error: function(xhr,err)
{
alert(err.message);
alert("responseText: "+ xhr.responseText);
}
});
return false;
});
});
</script>
and then use $reason=$_POST['reason-box']; and $ID=$_POST['reportedID']; inside your PHP script

this is optional to choose the form for submitting data or you can do it without the HTML form this is what i do
<textarea id="reasonbox" type="text" name="reason-box" cols="40" rows="5" maxlength="160" onkeypress=""></textarea>
<input id="reportedID" name="reportedID" type="text" />
<button id="report-submit" ></button>
and the using folloing javascript and jquery style
<script type="text/javascript">
$(function() {
$("#report-submit").click(function(){
try
{
$.post("your php page address goes here like /mypage.php",
{
//in this area you put the data that is going to server like line below
'reasonbox':$("#reason-box").val().trim(),
'reportedID':$("#reportedID").val().trim()
}, function(data){
data=data.trim();
//this is data is sent back from server you can send back data that you want
//like message or json array
});
}
catch(ex)
{
alert(ex);
}
});
});
</script>
I hope it helps

Extracting data from HTML form with inputs with JavaScript or AJAX and then passing it on to PHP

I have an issue I can't seem to solve, I have a form with a bunch of text-fields but I need to extract their information through AJAX or just through a simple JavaScript function. I need this data to be extracted, string by string into an array which should then be passed to PHP. If understood this correctly, AJAX can be used with JQuery or JavaScript, now I'm not sure I understand JQuery very well. Anyway I've been searching google for good examples, and I really can't find anything good.
<form class="registration" method="POST">
<ul class="registration">
<li><label>Nombre de Usuario:</label></li>
<li><input type="text" name="username" title="Nombre de Usuario"/></li>
<li><label>Contraseña:</label></li>
<li><input type="text" name="password" title="Contraseña"/></li>
<li><label>Correo Electrónico:</label></li>
<li><input type="text" name="email" title="Correo Electrónico"/></li>
<li><label>Nombre:</label></li>
<li><input type="text" name="name" title="Nombre"/></li>
<li><label>Primer Apellido:</label></li>
<li><input type="text" name="first last name" title="Primer Apellido"/></li>
<li><label>Segundo Apellido:</label></li>
<li><input type="text" name="second last name" title="Segundo Apellido"/></li>
<li><input type="submit" name="create user" title="Crear Usuario" value="Crear Usuario"></input></li>
</ul>
</form>
This is my form, some of the values are in Spanish, the website I'm supposed to make has to be in that language. If I understood things right, I should call the function I want with an "OnClick" through my submit input button. This is the first time I've done web development, and understanding CSS and HTML was difficult for me. I was wondering if someone could help me out with an example or something. I'm basically using MVC to organize this, with HTML and JavaScript as the View, PHP as the control and Oracle SQL as the model. I'm using PHP precisely for that reason, I need to connect to the database, and send the information through PHP.
I'm not looking for anyone to fix my thing or anything of the sort, all I need is an example and small explanation if possible.

You need to figure out $.ajax function. It easy to implement, and posting the values into your php file, then from there you can processing inserting data into database. Here is sample of code :
$('input[type=submit]').on('click',function(e)
{
e.preventDefault();
var my_username = $('input[name=username]').val();
.....
..... more here
$.ajax({
type : 'POST', //<--- GET or POST
url : 'url_of_insert_process.php',
data : {
username: my_username,
.....
..... more here
}
success : function(data){
// Here you can populate the view whatever you want
// like showing message success
}
});
});
That is the illustration sending the data. You also can use $("form" ).serialize(); to fetch all the form element value using the name that you provided on each html form element. So many sources out there that you can put into your table.

Please try
$(document).ready(function(){
$('input[type="submit"]').click(function(e){
e.preventDefault();
$.ajax({
url: "YOUR_URL",
type: 'POST',
data:$("form#registration").serialize(),
success: function( response ) {
console.log(response);
}
});
});
});

//jsfile.js
//THIS METHOD RETURN THE name : value PAIR FROM
//A SPECIFIED FORM ID OR FORM IN THE CURRENT SPHERE
function formHandler(formID="") {
try {
if (formID === "") {
//PICK UP THE FORM IN THE CURRENT SPHERE
formElms document.querySelectorAll("input,select,textarea");
} else if(formID !== "") {
//PICK UP THE NAMED FORM
var formsElms = document.querySelectorAll("form");
formsElms.forEach(function(formElm) {
if (formElm.id === formID) {
formElms = document.querySelectorAll("#"+formID+" input, #"+formID+" select, #"+formID+" textarea");
}
});
}
if (formElms) {
var retObjs = new Array();
if (formElms) {
formElms.forEach(function(param) {
retObjs.push({name : param.name, value: param.value});
});
}
}
return retObjs;
} catch (e) {
console.log(e);
}
}
serverSideHandler(inda={}) {
try {
indata = inda;
complUrl = "url.php";
$.ajax({
method: "POST",
url: complUrl,
data: indata
})
.done(function(retData) {
serverResponseHandler(retData);//Function To Callback
});
} catch(ev) {
console.log(ev);
}
}
//url.php
<?php
header("Access-Control-Allow-Origin: *");
header('Content-Type: text/json');
ini_set('memory_limit','1024M');
if (!empty($_POST)) {
//Extract your form Inputs as follow
$name = doSomeValidation($_POST['name']);
//Do DB connections
//Do your CRUD
//DO OTHER ACTIONS
}

Jquery validation plugin does not send POST data

Update 2: I found out what was wrong! There was a 301 redirect in the .htaccess file. I will post it as an answer once I am allowed to (users under 10 rep have to wait 8 hours).
Update: I have taken Barmar's suggestion and checked the network tab (a tab I'm not too familiar with) and noticed I am receiving a 301 from handle.php See screenshot. I am going to do some searching and post my results.
Original Post: I am using the JQuery validation plugin to validate and send form data via ajax. The problem isn't that the data is being sent, but the form handler is saying there are no elements in the $_POST array. I have tested a few different methods to send ajax, and the data sends, but the form handler does not see any $_POST[] values.
Note: I have to use the JQuery validation plugin so it has to be handled by .validate.submitHandler(). Any $(form).on() won't suffice.
html + js (index.php)
<form action="handle.php" class="sky-form sky-form-modal" id="sky-form-modal" method=
"post" name="sky-form-modal">
<label class="input">
<input name="name" placeholder="Name" type=
"text">
</label>
<label class="input"><input name="company" placeholder="Company" type=
"text">
</label>
<footer>
<button class="button" type="submit">Send request</button>
<div class="progress"></div>
</footer>
</form>
<script>
$("#sky-form-modal").validate({
submitHandler: function(form) {
var $form = $("#sky-form-modal"); //being explicit for testing
var $inputs = $form.find("input, select, button, textarea");
var serializedData = $form.serialize();
request = $.ajax({
url: "handle.php",
type: "POST",
data: serializedData
});
console.log('data: ' + serializedData);
request.done(function(response, textStatus, jqXHR) {
console.log("Response: " + response);
});
},
});
</script>
handle.php:
<?php
if(isset($_POST['name'])) {
echo 'we got it';
} else {
echo 'name not set';
}
?>
Okay, so it seems like everything works, check out the console.log after I fill in the username and leave the company blank:
data: name=testtest&company=
Response: name not set
As you can see, serialize works and grabs all the info, but when handled by handle.php it tells me that the $_POST[] is empty. Looping through it on handle.php proves it:
foreach($_POST as $key=>$value) {
echo "$key: $value
\n";
}
Which doesn't return at all.
I have also tried ajaxSubmit() and form.submit() but I get the same exact results.
This one looks right to me, because I have searched and searched stackoverflow and came across that most of the problems with this is including the 'name' attribute on the input tags, which is already done.
Thanks in advance!!

My issue was irrelevant to my code and ended being a few declarations in the .htaccess. It was redirecting me from a .php file to a directory (for prettier URLS). Now, this is a common technique so:
if you are working on someone else's project and your URL's aren't standard with a file extension, check the .htaccess!

Page.html or .php
<form action="/" id="sky-form-modal" method=
"post" name="sky-form-modal">
<input name="name" placeholder="Name" type="text">
<input name="company" placeholder="Company" type="text">
<button class="button" type="submit">Send request</button>
</form>
<div id="result"></div>
<script>
var request;
$("#sky-form-modal").submit(function(event){
// abort any pending request
if (request) {
request.abort();
}
var $form = $(this);
var $inputs = $form.find("input, input");
// serialize the data in the form
var serializedData = $form.serialize();
// let's disable the inputs for the duration of the ajax request
// Note: we disable elements AFTER the form data has been serialized.
// Disabled form elements will not be serialized.
$inputs.prop("disabled", true);
// fire off the request to /form.php
request = $.ajax({
url: "handle.php",
type: "post",
data: serializedData
});
// callback handler that will be called on success
request.done(function (response, textStatus, jqXHR){
// log a message to the console
console.log("Hooray, it worked!");
$("#result").html(response);
});
// callback handler that will be called on failure
request.fail(function (jqXHR, textStatus, errorThrown){
// log the error to the console
console.error(
"The following error occured: "+
textStatus, errorThrown
);
});
// callback handler that will be called regardless
// if the request failed or succeeded
request.always(function () {
// reenable the inputs
$inputs.prop("disabled", false);
});
// prevent default posting of form
event.preventDefault();
});
</script>
handle.php
<?php
foreach ($_POST as $key => $value) {
echo "POST Key: '$key', Value: '$value'<br>";
}
?>
I removed your labels and classes for the simple look of the form.

i Guess you missed '(' after validation
$("#sky-form-modal").validate {
$("#sky-form-modal").validate ({

javascript return from php no updating anything

Hard to explain in the title...
So i have a form which is validated via javascript and an ajax request is sent to a php page which if succesful inputs the data and sets the database response.
However, on the ajax call getting the correct repsonse it doesnt carry out what i wish it to...
I What i want to happen is when the php returns a success JSON return, the .commentsdiv is reloaded.
This doesnt work however. But the comments are added into the database.
here is the code
part of commentsbox div and form:
<div class="commentsbox">
<form class="addcomment" action="process/addcomment.php" method="post">
<input type="hidden" class="postid" name="postid" value="'.$postID.'">
<input type="hidden" class="usernameuser" name="usernameuser" value="'.$usernameuser.'">
<input type="hidden" class="userid" name="userid" value="'.$userid.'">
<input type="text" name="addpostcomment" class="addpostcomment" placeholder="Add Comment..." />
<input type="submit" id="addcommentbutton" value="Post" />
<br />
<br />
</form>
</div>
Here is the javascript:
The viewbuild.php url is dynamic depending on what post is viewed. Do i need it to be like viewbuild.php?id=1 etc? Because that doesnt work niether.
// JavaScript - Edit Post
$(document).ready(function(){
$(".addcomment").submit(function(){
var $targetForm = $(this);
$targetForm.find(".error").remove();
$targetForm.find(".success").remove();
// If there is anything wrong with
// validation we set the check to false
var check = true;
// Get the value of the blog update post
var $comment = $targetForm.find('.addpostcomment'),
newcomment = $comment.val();
// Validation
if (newcomment == '') {
check = false;
$comment.after('<br><br><br><div class="error">Text Is Required</div>');
}
// ... goes after Validation
$.ajax({
type: "POST",
url: "process/addcomment.php",
data: $targetForm.serialize(),
dataType: "json",
success: function(response){
if (response.databaseSuccess) {
$('.commentsbox').load('viewbuild.php');
}
else {
$ckEditor.after('<div class="error">Something went wrong!</div>');
}
}
});
return false;
});
});
Here is part end of php:
$return['databaseSuccess'] = $dbSuccess;
echo json_encode($return);
Any help is most appreciated! :)

Make sure your php response is setting the proper headers. You need to set the content type as "application/json" for JQuery to call the success function. Try adding debugging to the error or complete callbacks when you call the jquery ajax function.

well , why am i thinking that you should check what value the obj returns ..
i mean ..
if(response.databaseSuccess == ??! ) { ... }
Or why don't you just check for the length of the retruned string.
if(response.databaseSuccess.length > 3){ alert('ok');}
One advise bro, if you are returning JUST one parameter .. use e string .. not JSON .. ;)
so, in php you would have :
echo $databaseSuccess;
And in JS .. the IF wil be more simple :
if(response == "ok"){ alert('ok');}
Get it ?
Hope i've helped.

AJAX Mailchimp signup form integration

Is there any way to integrate mailchimp simple (one email input) with AJAX, so there is no page refresh and no redirection to default mailchimp page.
This solution doesn't work jQuery Ajax POST not working with MailChimp
Thanks

You don't need an API key, all you have to do is plop the standard mailchimp generated form into your code ( customize the look as needed ) and in the forms "action" attribute change post?u= to post-json?u= and then at the end of the forms action append &c=? to get around any cross domain issue. Also it's important to note that when you submit the form you must use GET rather than POST.
Your form tag will look something like this by default:
<form action="http://xxxxx.us#.list-manage1.com/subscribe/post?u=xxxxx&id=xxxx" method="post" ... >
change it to look something like this
<form action="http://xxxxx.us#.list-manage1.com/subscribe/post-json?u=xxxxx&id=xxxx&c=?" method="get" ... >
Mail Chimp will return a json object containing 2 values: 'result' - this will indicate if the request was successful or not ( I've only ever seen 2 values, "error" and "success" ) and 'msg' - a message describing the result.
I submit my forms with this bit of jQuery:
$(document).ready( function () {
// I only have one form on the page but you can be more specific if need be.
var $form = $('form');
if ( $form.length > 0 ) {
$('form input[type="submit"]').bind('click', function ( event ) {
if ( event ) event.preventDefault();
// validate_input() is a validation function I wrote, you'll have to substitute this with your own.
if ( validate_input($form) ) { register($form); }
});
}
});
function register($form) {
$.ajax({
type: $form.attr('method'),
url: $form.attr('action'),
data: $form.serialize(),
cache : false,
dataType : 'json',
contentType: "application/json; charset=utf-8",
error : function(err) { alert("Could not connect to the registration server. Please try again later."); },
success : function(data) {
if (data.result != "success") {
// Something went wrong, do something to notify the user. maybe alert(data.msg);
} else {
// It worked, carry on...
}
}
});
}

Based on gbinflames' answer, I kept the POST and URL, so that the form would continue to work for those with JS off.
<form class="myform" action="http://XXXXXXXXXlist-manage2.com/subscribe/post" method="POST">
<input type="hidden" name="u" value="XXXXXXXXXXXXXXXX">
<input type="hidden" name="id" value="XXXXXXXXX">
<input class="input" type="text" value="" name="MERGE1" placeholder="First Name" required>
<input type="submit" value="Send" name="submit" id="mc-embedded-subscribe">
</form>
Then, using jQuery's .submit() changed the type, and URL to handle JSON repsonses.
$('.myform').submit(function(e) {
var $this = $(this);
$.ajax({
type: "GET", // GET & url for json slightly different
url: "http://XXXXXXXX.list-manage2.com/subscribe/post-json?c=?",
data: $this.serialize(),
dataType : 'json',
contentType: "application/json; charset=utf-8",
error : function(err) { alert("Could not connect to the registration server."); },
success : function(data) {
if (data.result != "success") {
// Something went wrong, parse data.msg string and display message
} else {
// It worked, so hide form and display thank-you message.
}
}
});
return false;
});

You should use the server-side code in order to secure your MailChimp account.
The following is an updated version of this answer which uses PHP:
The PHP files are "secured" on the server where the user never sees them yet the jQuery can still access & use.
1) Download the PHP 5 jQuery example here...
http://apidocs.mailchimp.com/downloads/mcapi-simple-subscribe-jquery.zip
If you only have PHP 4, simply download version 1.2 of the MCAPI and replace the corresponding MCAPI.class.php file above.
http://apidocs.mailchimp.com/downloads/mailchimp-api-class-1-2.zip
2) Follow the directions in the Readme file by adding your API key and List ID to the store-address.php file at the proper locations.
3) You may also want to gather your users' name and/or other information. You have to add an array to the store-address.php file using the corresponding Merge Variables.
Here is what my store-address.php file looks like where I also gather the first name, last name, and email type:
<?php
function storeAddress(){
require_once('MCAPI.class.php'); // same directory as store-address.php
// grab an API Key from http://admin.mailchimp.com/account/api/
$api = new MCAPI('123456789-us2');
$merge_vars = Array(
'EMAIL' => $_GET['email'],
'FNAME' => $_GET['fname'],
'LNAME' => $_GET['lname']
);
// grab your List's Unique Id by going to http://admin.mailchimp.com/lists/
// Click the "settings" link for the list - the Unique Id is at the bottom of that page.
$list_id = "123456a";
if($api->listSubscribe($list_id, $_GET['email'], $merge_vars , $_GET['emailtype']) === true) {
// It worked!
return 'Success! Check your inbox or spam folder for a message containing a confirmation link.';
}else{
// An error ocurred, return error message
return '<b>Error:</b> ' . $api->errorMessage;
}
}
// If being called via ajax, autorun the function
if($_GET['ajax']){ echo storeAddress(); }
?>
4) Create your HTML/CSS/jQuery form. It is not required to be on a PHP page.
Here is something like what my index.html file looks like:
<form id="signup" action="index.html" method="get">
<input type="hidden" name="ajax" value="true" />
First Name: <input type="text" name="fname" id="fname" />
Last Name: <input type="text" name="lname" id="lname" />
email Address (required): <input type="email" name="email" id="email" />
HTML: <input type="radio" name="emailtype" value="html" checked="checked" />
Text: <input type="radio" name="emailtype" value="text" />
<input type="submit" id="SendButton" name="submit" value="Submit" />
</form>
<div id="message"></div>
<script src="jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
$('#signup').submit(function() {
$("#message").html("<span class='error'>Adding your email address...</span>");
$.ajax({
url: 'inc/store-address.php', // proper url to your "store-address.php" file
data: $('#signup').serialize(),
success: function(msg) {
$('#message').html(msg);
}
});
return false;
});
});
</script>
Required pieces...
index.html constructed as above or similar. With jQuery, the appearance and options are endless.
store-address.php file downloaded as part of PHP examples on Mailchimp site and modified with your API KEY and LIST ID. You need to add your other optional fields to the array.
MCAPI.class.php file downloaded from Mailchimp site (version 1.3 for PHP 5 or version 1.2 for PHP 4). Place it in the same directory as your store-address.php or you must update the url path within store-address.php so it can find it.

For anyone looking for a solution on a modern stack:
import jsonp from 'jsonp';
import queryString from 'query-string';
// formData being an object with your form data like:
// { EMAIL: 'emailofyouruser#gmail.com' }
jsonp(`//YOURMAILCHIMP.us10.list-manage.com/subscribe/post-json?u=YOURMAILCHIMPU&${queryString.stringify(formData)}`, { param: 'c' }, (err, data) => {
console.log(err);
console.log(data);
});

Based on gbinflames' answer, this is what worked for me:
Generate a simple mailchimp list sign up form , copy the action URL and method (post) to your custom form. Also rename your form field names to all capital ( name='EMAIL' as in original mailchimp code, EMAIL,FNAME,LNAME,... ), then use this:
$form=$('#your-subscribe-form'); // use any lookup method at your convenience
$.ajax({
type: $form.attr('method'),
url: $form.attr('action').replace('/post?', '/post-json?').concat('&c=?'),
data: $form.serialize(),
timeout: 5000, // Set timeout value, 5 seconds
cache : false,
dataType : 'jsonp',
contentType: "application/json; charset=utf-8",
error : function(err) { // put user friendly connection error message },
success : function(data) {
if (data.result != "success") {
// mailchimp returned error, check data.msg
} else {
// It worked, carry on...
}
}

As for this date (February 2017), it seems that mailchimp has integrated something similar to what gbinflames suggests into their own javascript generated form.
You don't need any further intervention now as mailchimp will convert the form to an ajax submitted one when javascript is enabled.
All you need to do now is just paste the generated form from the embed menu into your html page and NOT modify or add any other code.
This simply works. Thanks MailChimp!

Use jquery.ajaxchimp plugin to achieve that. It's dead easy!
<form method="post" action="YOUR_SUBSCRIBE_URL_HERE">
<input type="text" name="EMAIL" placeholder="e-mail address" />
<input type="submit" name="subscribe" value="subscribe!" />
<p class="result"></p>
</form>
JavaScript:
$(function() {
$('form').ajaxChimp({
callback: function(response) {
$('form .result').text(response.msg);
}
});
})

This Github code works perfectly for me. This has a detailed explanation of how to use it. I use it on my WP site. Here is the link -
https://gist.github.com/DmitriyRF/34f659dbbc02637cf7465e2efdd37ef5

In the other hand, there is some packages in AngularJS which are helpful (in AJAX WEB):
https://github.com/cgarnier/angular-mailchimp-subscribe

I wasn't able to get this working with fetch so had to combine a few answers here using GET and parsing form inputs into the query string for the URL. It also wasn't necessary for the name of the input to be EMAIL but I guess it makes it more legible and doesn't break the code (in this simple case. Play around if you have other form fields).
Here's my code;
<form action="https://me.usxx.list-manage.com/subscribe/post-json?" id="signup" method="GET">
<input type="hidden" name="u" value="xxxxxxxxxxxxxxxxxx"/>
<input type="hidden" name="id" value="xxxxxxxxx"/>
<input type="hidden" name="c" value="?"/>
<input name="EMAIL" type="text" />
</form>
// Form submission handler
const formData = new FormData(signup);
fetch(signup.action + new URLSearchParams(formData).toString(), {
mode: 'no-cors',
method: signup.method,
})
.then((res) => {
// Success
})
.catch((e) => {
// Error
})
You could make it no-js friendly with...
<form action="https://me.usxx.list-manage.com/subscribe/post" id="signup">
fetch(signup.action + '-json?' + new URLSearchParams(formData).toString(), {
And just to save those who fumbled around as I did needlessly, you must create a signup form for an Audience within Mailchimp and by visiting that page you can get your u value and id as well as the action. Maybe this was just me but I thought that wasn't explicitly clear.