I have the following code in PHP:
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
<?php $value = $_POST['Field1'] ?>
<input type="text" id="Field1" name="Field1" value="<?php echo $value ?>">
<input type="button" value="ButtonValue" onclick="SubmitFunction()">
</form>
And some function in JavaScript:
<script>
function SubmitFunction(){
//... do some stuff here
//But here I need to assign value to Field1:
document.getElementById("Field1").setAttribute("value", "Some value");
document.form.submit();
}
</script>
When this code loads for the first time, it says there is undefined index Field1. It's absolutely right.
But when I set attribute value to this field using SubmitFunction(), page reloads and it still can't find Field1 ! This is my problem.
I noticed that in pure HTML code the initial form looks like:
<form>
<input type="text" id="Field1" name="Field1" value>
<input type="button" value="ButtonValue" onclick="SubmitFunction()">
</form>
Where is my problem (except brain)?
<script>
function SubmitFunction(){
//... do some stuff here
//But here I need to assign value to Field1:
document.getElementById("Field1").setAttribute("value", "Some value");
document.form.submit(document.getElementById("Field1").getAttribute("value"));
}
</script>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
<?php $value = $_POST['Field1'] ?>
<input type="text" id="Field1" name="Field1" value="<?php echo $value?$value:''; ?>">
<input type="button" value="ButtonValue" onclick="SubmitFunction()">
</form>
Related
In this webpage , I have a visible form with a submit button ,called form A.It has a post action.
<form name="payFormCcard" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
I want to do an invisible form that extract some of the data from form A , with the method of hidden input button .It auto-executes the form and post to the another place with the JS.
However, it works and posts to appropriate place if I add the real button .
<input type="submit" name="submission_button" value="Click here if the site is taking too long to redirect!">
Here is my code (without the real button):
<form name="A" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post"> <== first visable form
.....
//invisible table
<form name="payForm" method="post" action=" https://test.paydollar.com/b2cDemo/eng/payment/payForm.jsp">
<input type="hidden" name="merchantId" value="sth">
<input type="hidden" name="amount" value="</?php echo $input_amount; ?>" >
<input type="hidden" name="orderRef" value="<?php date_default_timezone_set("Asia/Taipei"); $date = date('m/d/Y h:i:s a', time()); echo $date ; ?>">
<input type="hidden" name="currCode" value="sth" >
<input type="hidden" name="mpsMode" value="sth" >
<input type="hidden" name="successUrl" value="http://www.yourdomain.com/Success.html">
<input type="hidden" name="failUrl" value="http://www.yourdomain.com/Fail.html">
<input type="hidden" name="cancelUrl" value="http://www.yourdomain.com/Cancel.html">
...
<!-- <input type="submit" name="submission_button" value="Click here if the site is taking too long to redirect!">-->
</form>
<script type="text/javascript">
//Our form submission function.
function submitForm() {
document.getElementById('payForm').submit();
}
//Call the function submitForm() as soon as the page has loaded.
window.onload = submitForm;
</script>
You should use DOMContentLoaded instead of load to ensure that the DOM elements are loaded successfully.
Try to do something like below:
<script type="text/javascript">
//Our form submission function.
function submitForm() {
document.getElementById('payForm').submit();
}
//Call the function submitForm() as soon as the document has loaded.
document.addEventListener("DOMContentLoaded", function(event) {
submitForm();
});
</script>
Is there I can hide the PHP information in the URL without reloading the page?
I have the current HTML code:
<form action="<?php $_SERVER['PHP_SELF'] ?>" method="get">
<label>
<input pattern=".{3,}" required title="3 characters minimum" name="url" class="urlinput" type="text">
</label>
<input name="submit" class="urlsub" type="submit">
</form>
And when I click submit this happens
http://example.com/?url=example&submit=Submit
Is there any way I can keep it as example.com while the information still passes to php?
Full code:
<form action="<?php $_SERVER['PHP_SELF'] ?>" method="post">
<label>
<input pattern=".{3,}" required title="3 characters minimum" name="url" class="urlinput" type="text">
</label>
<input name="submit" class="urlsub" type="submit">
</form>
<?php
IF($_POST['submit']) {
include('include/functions.php');
// IP OF THE USER
$ip = $_SERVER['REMOTE_ADDR'];
// URL TO PUT IN Database
$url = $_POST['url'];
// MAKE SIMPLE URL EG: HTTPS://WWW.GOOGLE.COM -> GOOGLE.COM
$surl = surl($url);
// RUN SCRIPT
CIURLE($surl, $ip);
}
?>
Change from using GET method to using POST method
<form action="<?php $_SERVER['PHP_SELF'] ?>" method="post">
<label>
<input pattern=".{3,}" required title="3 characters minimum" name="url" class="urlinput" type="text">
</label>
<input name="submit" class="urlsub" type="submit">
</form>
<?php
if($_POST['submit']) {
echo 'Posted url: '.$_POST['url'] . '<br>';
echo 'Remote IP:'.$_SERVER['REMOTE_ADDR'] . '<br>';
}
?>
Use "POST" instead of "GET". It's explained in the link.
http://www.w3schools.com/Php/php_forms.asp
This is my code that I am using to submit form with post value
<form action="<?php echo DOMAIN; ?>contact/booking-form.php" method="post">
<input type="text" name="name" value="<?php echo $name; ?>" />
<input type="text" name="email" value="<?php echo $email; ?>" />
<input type="submit" name="submit" id="submit" />
<script>document.getElementById('submit').submit();</script>
</form>
Can anybody help me to pass name="submit" value of submit button to another page?
A submit button is only going to be a successful control if it is used to submit the form (and even then only if it has a name and a value … which yours does not).
If you want submit=submit in your form data when you submit the form with JavaScript, then don't use a submit button to put that data in the form in the first place. Use a hidden input.
<input type="submit">
<input type="hidden" name="submit" id="submit" value="submit">
Then you have two other problems.
First, submit is a method of form elements, not inputs. So you need to change your script to call the right element.
<script>document.getElementById('submit').form.submit();</script>
Second, if a form has a control called submit then that will clobber the submit method. So you need to get one from a different form (not supported in old versions of Internet Explorer):
<script>
var form = document.getElementById('submit').form;
var submit_method = document.createElement("form").submit;
submit_method.call(form);
</script>
<form id=submit action="<?php echo DOMAIN; ?>contact/booking-form.php" name="form1" method="post">
<input type="text" name="name" value="<?php echo $name; ?>" />
<input type="text" name="email" value="<?php echo $email; ?>" />
</form>
<script >
document.form1.submit()
</script>
there is no sumit button in your code. first add in html
<input type="submit" value="submit" id="submit"/>
<script>
document.getElementById("submit").value = "newSubmitButtonValue";
</script>
I want to add a special class to each form that contains the word special as part of its action URL.
But I have many forms, and I can't think of an automated way to do this.
The only way I came up with was to create the following code, but I will have to create such code for each and every form, using a different index number:
<?php
$case1 = "special";
$case2 = "none";
if($case1 == "none") {
$class1 = ""; // don't add any class
}
else {
$class1 = "effect"; // add `effect` class
}
if($case2 == "none") {
$class2 = ""; // same goes here
}
else {
$class2 = "effect"; // and here
}
?>
HTML:
<form action="/go/<?= $case1 ?>" method="POST" target="_blank">
<input type="submit" class="<?= $class1 ?> general-class" value="submit">
</form>
<form action="/go/<?= $case2 ?>" method="POST" target="_blank">
<input type="submit" class="<?= $class2 ?> general-class" value="submit">
</form>
OUTPUT:
<form action="/go/special" method="POST" target="_blank">
<input type="submit" class="effect general-class" value="submit">
</form>
<form action="/go/none" method="POST" target="_blank">
<input type="submit" class="general-class" value="submit">
</form>
Is there any automated way to do this?
Basically I have two types of forms, one should be opened using a jquery plugin (henace the special class), and the other should open in a normal way.
My way to differentiate between them is to insert the $case[i] variable into the action url, as this is something that I have to do either way.
Perhaps there's a complete different way to achieve this, I don't know.
EDIT:
Real Form is generated mostly manually, with this code:
<form action="/go/<?= $item ?>/<?php echo $case1 ; ?>" method="POST" target="_blank">
<input name="a" type="hidden" value="<?php echo $a; ?>"/>
<input name="b" type="hidden" value="<?php echo $b; ?>"/>
<input name="c" type="hidden" value="<?php echo $c; ?>"/>
<input name="d" type="hidden" value="<?php echo $d; ?>"/>
<input type="submit" class="<?= $class1 ?> general-class" value="Click Me"></form>
(all variables are being given values at the start of the PHP block you see above)
There's two ways - PHP and jQuery. Based on your code, we don't have enough info to know if we can use the PHP way or not, so here's the jQuery way:
// wait until the document is ready
jQuery(function($) {
// find all forms that have "special" in the action
$('form[action*="special"]').each(
function() {
// within the form, find the submit button, and add the "effect" class
$(this).find('input[type="submit"]').addClass('effect');
}
);
});
And, the shorter / less verbose way:
jQuery(function($) {
// find all forms that have "special" in the action, find their input, and add the class
$('form[action*="special"] input[type="submit"]').addClass('effect');
});
The PHP Way
So, to do this in PHP, I would recommend writing a simple function, then calling it.
function get_class( $slug ) {
$class_map = array(
'special' => 'effect',
'none' => '',
// .. you could add others here if appropriate
return ( isset( $class_map[ $slug ] ) ) ? $class_map[ $slug ] : '';
);
Then you could use it in your php like so:
<form action="/go/<?= $item ?>/<?php echo $case1 ; ?>" method="POST" target="_blank">
<input name="a" type="hidden" value="<?php echo $a; ?>"/>
<input name="b" type="hidden" value="<?php echo $b; ?>"/>
<input name="c" type="hidden" value="<?php echo $c; ?>"/>
<input name="d" type="hidden" value="<?php echo $d; ?>"/>
<input type="submit" class="<?= get_class( $case1 ); ?> general-class" value="Click Me"></form>
While that may not seem like a big value, if you started applying those concepts to your code, you would quickly see the value start adding up.
Heyo,
Having a few issues with JavaScript function calls. Basically I am using php to create a table, and then on page init JavaScript is called to click a button which is labelled correct answer.
Now this all works fine, however when I return to the main page and try to do the same thing again it fails due to an "Uncaught TypeError: Cannot call method 'click' of null". This is happening because for some reason the script is being incorrectly called again and is then trying to click on something which isn't there, hence the 'null' error.
If I reload the page it works fine again as the JavaScript function is then not loaded until called.
The main issue seems to be that the JavaScript is remaining loaded (probably because jquerymobile uses ajax calls to load the page, and thus the data is never properly refreshed. Other than forcing the page to load without ajax, any suggestions?
JavaScript function:
function showCorrectAnswer(correctAnswer) {
$(document).on("pageinit", function() {
document.getElementById(correctAnswer).click()
})
}
PHP function:
function populatedQuestionUI ($topicID, $questionID, $actionSought) {
global $pdo;
$query = $pdo->prepare("SELECT * FROM questions WHERE Topic = ? and QNo = ?");
$query->bindValue(1, $topicID);
$query->bindValue(2, $questionID);
$query->execute();
while ($row = $query->fetch(PDO::FETCH_ASSOC)) {
$results[] = $row;
}
?>
<form name="questionUI" action="/MCExamSystemV2/Admin/manageQuestion.php" method="post">
<input type="hidden" name="TopicID" value="<?php echo $_POST['topic']; ?>"/>
<input type="hidden" name="QuestionNo" value="<?php echo $_POST['question']; ?>"/>
<label for="QText">Question Text</label>
<input type="text" name="QText" value="<?php echo $results[0]['QText']; ?>"/>
<label for="AnswerText-1">First Answer</label>
<input type="Text" name="AnswerText-1" value="<?php echo $results[0]['AText1']; ?>"/>
<label for="AnswerText-2">Second Answer</label>
<input type="Text" name="AnswerText-2" value="<?php echo $results[0]['AText2']; ?>"/>
<label for="AnswerText-3">Third Answer</label>
<input type="Text" name="AnswerText-3" value="<?php echo $results[0]['AText3']; ?>"/>
<label for="AnswerText-4">Fourth Answer</label>
<input type="Text" name="AnswerText-4" value="<?php echo $results[0]['AText4']; ?>"/>
<label for="CorrectAnswer">Correct answer:</label>
<div data-role="controlgroup" data-type="horizontal">
<input type="button" name="Answer-1" id="Answer-1" value=1 onClick="document.getElementById('CorrectAnswer').value='1'"/>
<input type="button" name="Answer-2" id="Answer-2" value=2 onClick="document.getElementById('CorrectAnswer').value='2'"/>
<input type="button" name="Answer-3" id="Answer-3" value=3 onClick="document.getElementById('CorrectAnswer').value='3'"/>
<input type="button" name="Answer-4" id="Answer-4" value=4 onClick="document.getElementById('CorrectAnswer').value='4'"/>
</div>
<input type="hidden" name="CorrectAnswer" id="CorrectAnswer" value='0'/>
<input type="submit" value="Confirm <?php echo $actionSought; ?>">
<input type="button" value="Cancel" onClick="location.href='/MCExamSystemV2/Admin'"/>
</form>
<script src="/MCExamSystemV2/includes/scripts.js"></script>>
<script>showCorrectAnswer('Answer-<?php echo $results[0]['CorrectA']; ?>')</script>
<?php
}
The main problem is because you're doing this:
document.getElementById(correctAnswer).click();
You're not checking if the element is on the page. Change it to:
var el = document.getElementById(correctAnswer);
if (el) {
el.click();
}