Questions tagged [validation]
The validation tag has no usage guidance.
226
questions
1
vote
1answer
49 views
Settings API - sanitize_callback is not called and it leads to an incorrect behavior
I am in the process of creating some options / the options page for my plugin.
In the context of this I have only added two checkboxes so far to store boolean values. The creation, display on the page ...
0
votes
1answer
129 views
How to add fields in custom registration form, validate it and aave to db? [closed]
I use a WP theme with a custom registration form. I want to add two fields to it (for phone number and company name). What to add to the php file of the form and what to the function file of theme ...
0
votes
0answers
29 views
Contact form 7: Prevent input html tag in text field
How to create validation in contact form 7 to prevent user input HTML tag like ... or , also to prevent scripts like $(dummy){}.
I create validation to prevent URL and non Latin characters, how I ...
0
votes
0answers
10 views
How to implement Inline and custom validation in the checkout page?
I'm trying to achieve the inline and custom validation here (or see image below) on the checkout page. I tried this solution (https://wordpress.org/.../inline-errors-in-checkout-fields/
) but it ...
0
votes
1answer
43 views
How do I change the text content of a div for a comment validation error message?
My comment form has validation so that when a user tries to post a blank comment, it currently shows the "This field is required" message under the comment box. How do I change the message ...
0
votes
0answers
17 views
How to show error message in admin panel using WordPress?
I'm using WordPress and I want to add validation for the save_meta_data function and if the request isn't validated admin panel should show the error message. my code is here:
public function ...
0
votes
0answers
56 views
Making custom meta box required (with error message if not filled in) on Gutenberg
<input required name="myName" type="text" value="<?php echo $myValue; ?>" class="regular-text">
Does not produce an error message if the field is ...
0
votes
0answers
20 views
How and why use validate_username and how to secure inputs fields of registration form?
I would use validate_username to protect username and other inputs from tags, octet, and others filters and conditions from sanitize_user but these functions only remove these dangerous chars and does ...
0
votes
0answers
212 views
How do I add a 5 digit ZIP code validation to a Contact7 form?
I have an address form generated via Contact7. I need to validate there is a 5 digit zip code.
According to the docs, I came up with this function and placed it in my functions.php file
add_filter( '...
0
votes
0answers
33 views
Fix HTML errors flagged in W3C Validator
I have put my WordPress website through the W3C HTML Validator at https://validator.w3.org/nu/ and that's lots of errors which I'm keen to fix.
However, I can't see any way of editing the HTML code. ...
1
vote
1answer
247 views
ACF Custom validation message not showing up
I have two date fields where I want to make sure the "end date" is always later than the "start date".
I added a validation function per ACF's documentation. It does fire, but the ...
0
votes
1answer
308 views
register_setting & add_settings_error validation issues with multiple fields
I've been trying to use the Settings API for the first time. I managed to piece together a working example but I'm stuck on how to make multiple input fields required. Right now I have an admin ...
0
votes
0answers
29 views
add_settings_error() not shown and settings validation not working (settings api)
I have an options page which is not added under the "settings" section, but via add_menu_page()/add_submenu_page()
This page contains of html markup for my settings and at the end
<div ...
1
vote
0answers
51 views
rest_sanitize_value_from_schema doesn't sanitize string
This is a part of a simplified piece of code. It accepts a JSON post, validates it against a schema and if ok, sanitize the JSON structure
$schema = array(
'type' => 'object',
...
1
vote
0answers
92 views
How to remove role="navigation" from all nav elements?
I did a W3C validation of my wordpress website and I got several warnings like this:
The navigation role is unnecessary for element nav.
r">↩ <nav role="navigation" class="...
1
vote
1answer
466 views
What is the proper way to validate and sanitize JSON response from REST API?
I have read the WordPress page about this but didn't find a solution.
Here are my details:
register rest route:
register_rest_route(
'/jwt-auth/v1',
'/user',
array(
'methods' ...
0
votes
1answer
44 views
Data Validation in wordpress
In my theme, i am grabbing user input with get_option() and according to that input i want to i want to declare a new variable and print in my single.php file. For example:
<?php
$...
0
votes
1answer
464 views
WordPress is creating nonce as a logged in user but verifying it incorrectly
I'm having trouble validating a nonce created with wp_create_nonce() inside a hidden input with the name nonce in an html form:
<input type="hidden" name="nonce" value="<...
0
votes
1answer
191 views
$ is not defined [duplicate]
I am learning WordPress and I am working on the contact us form. I am using jQuery validation.
I am using the below code.
function contact($atts){
$html='<form name="invite" id="...
0
votes
0answers
218 views
What's the right way to validate JSON data coming from an AJAX POST request?
I'm building a little plugin with a send button: when clicked, the button calls (from the admin area) a rest api endpoint, passing JSON data through AJAX. Everything works very well and the callback ...
4
votes
1answer
3k views
How to define a query parameter with REST API?
I'm trying to define a GET REST API endpoint with register_rest_route
register_rest_route supports defining a URL parameter and it is documented at https://developer.wordpress.org/rest-api/extending-...
0
votes
2answers
940 views
Change pubDate in rss feed in another format
In the default wordpress rss feed the element <pubDate> is
<pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false ); ?></pubDate>
...
0
votes
0answers
142 views
How to use third-party SendGrid Email Validation API in Gravity Forms?
Please let me know how to use SendGrid Email Validation API in Gravity Forms, using gform_field_validation filter?
Gravity Forms filter example:
add_filter( 'gform_field_validation', function ( $...
0
votes
0answers
56 views
Using built-in validation pop-up for custom fields
I am currently adding custom fields (by custom code) to the single product page in WooCommerce using the OceanWP theme.
I was about to start custom validation to the fields when I noticed that the ...
1
vote
1answer
673 views
Is there a maximum length to user passwords?
In the database, the hashed password is stored in a field that can store up to 60 characters.
My question: is there an upper character limit on the unhashed (user-chosen) passwords, or will the ...
1
vote
1answer
45 views
How to force field validation first, then its values saved durning edit profile?
I want to make validation of image during edit profile (wp-admin).
My code for validation is:
add_action( 'user_profile_update_errors', 'validate_steamid_field' , 10, 3);
function ...
0
votes
1answer
221 views
How to save Checkbox-Options in Plugin Options Page
First of all: I am really a newbie. So I used a template for my options page and tried to customize it (works pretty good so far).
About my plugin:
It creates to post types and some meta boxes ...
2
votes
2answers
371 views
How to validate custom fields for a custom post type before insert?
I'd like to know how to validate custom fields and return error notice (if necessary) before a custom post type is inserted into the database.
After a little research I found one similar question ...
1
vote
1answer
971 views
Form validation in WordPress Admin Panel
I am developing a WordPress plugin. In this regard I am gathering data from User using a Form via Wordpress Admin Panel. My code is like below
<form method="post" name="newAddress" id="newAddress" ...
1
vote
0answers
12 views
Shrink down register_settings on Settings API
Instead of having so many function calls, is there a way that I can have one function call and all the fields under one section and then just call one section on the form?
/**
* Register each ...
0
votes
1answer
51 views
confused about sanitize_email after is_email [duplicate]
Assume I have checked an email using is_email and the result is true, should I sanitize with sanitize_email? if yes, then why?
0
votes
1answer
528 views
jQuery Validation plugin and Bootstrap 4 CSS classes
I'm using jQuery Validation plugin to validate a WordPress theme form. I'm using also Bootstrap 4 so I'd integrate the Bootstrap validation classes ("is-valid" and "is-invalid") with Validation plugin,...
0
votes
0answers
120 views
how to add security questions on wp-registration page and validate it
I wanted to validate security questions which show's on wp-login page validation is if answers are blank user cant login and if user register with 2 questions and admin change no. question show on ...
0
votes
0answers
31 views
Data Validation & Sanitization for Big HTML Blocks
I'm developing a theme for Envato. Got Soft Reject because of issue typed in the question title. I created a 4 column widget area for my theme's footer. How can I sanitize the $output variable?
Thank ...
1
vote
1answer
3k views
Wordpress-gutenberg - Block validation: Expected text
I am building a gutenberg block plugin and I got stuck on simple two-field structure. The issue is that the save function works properly but something is wrong with the edit function. When I reload ...
0
votes
1answer
589 views
Using $wpdb | checking entered email against existing emails in db
Without ranting too much, here is my snippet:
if (empty($_POST["email"])) {
$emailErr = "Email is required";
} else {
$email = test_input($_POST["email"]);
// check if e-mail address is ...
1
vote
1answer
667 views
Validate custom fields before save using WordPress Rest API
I want to add custom validation to post(custom post type) before it save into the WordPress. I am using the Rest API to insert the post to custom post type. What I need is the fields which I created ...
1
vote
1answer
906 views
wooCommerce checkout page State / County (optional) validate not working
wooCommerce checkout page State / County (optional) validate not working
that is my added code
add_filter(‘thwcfd_State_field_override_required’,’__return_true’);
any idea for how to add ...
1
vote
2answers
1k views
Assignments must be the first block of code on a line Validation Error on Travis
Travis is giving me ~ Assignments must be the first block of code on a line for this specific line of code:
$validate_string = $pf_param_string = substr( $pf_param_string, 0, - 1 );
It seems fine ...
7
votes
2answers
5k views
Validation error: Extending Gutenberg gallery block
I am trying to extend the Gutenberg core/gallery block to add some new functionality to my image gallery on the frontend. I have created a separate plugin to handle this task.
I have registered my ...
1
vote
1answer
2k views
jquery.validation.js is not working in woocommerce checkout page form
jQuery("#woocommerce_checkout_form").validate({
highlight: function(element) {
(jQuery(element).parent()).parent().addClass("woocommerce-invalid");
(jQuery(element)....
2
votes
1answer
790 views
Stop the form of beign submitted on "Save changes" custom option page
Using the Settings API of Wordpress i want to try cancel the submission of the options when the validation/sanitization fails.
Registering the settings:
register_setting( 'mysettingspage', '...
8
votes
1answer
1k views
Sanitize and data validation with apply_filters() function
Should we sanitize and validate the apply_filters() like the examples below?
absint( apply_filters( 'slug_excerpt_length', 35 ) );
wp_kses_post( apply_filters( 'slug_excerpt_more', '…' ) );...
2
votes
1answer
2k views
Remove frameborder attribute from iframes
The W3C Validator outputs an error because Wordpress adds frameborder="0" to iframes. Also the Validator does not like the allow attribute.
I found a similar question for Vimeo Videos: WordPress ...
2
votes
2answers
1k views
Error in Validate Field with ACF plugin in Wordpress
I have the following problem when I am validating a field with the Advanced Custom Fields plugin in wordpress. What happens is that the field is validated correctly but the error appears on a new page ...
1
vote
1answer
42 views
Do I have to have a nonce for a custom comment field?
im working on my comment section and I have added a custom field
<input type="hidden" name="be_user_star_rating" id="be_user_star_rating" value="" />
Its value is beign set by Javascript.
...
-1
votes
1answer
739 views
WP Debug enabled Undefined index error in a widget
I have set WP debug to true, and I am getting error message →
Notice: Undefined index: tick_the_snippet_type
<p>
<input
type="radio"
<?php checked( $instance[ '...
1
vote
0answers
211 views
wp_remote_post - handling responses
I need to add a form to my WordPress site that will post its data to an external API without ever storing the form data in the mysql database. I also need to show components of the response from the ...
0
votes
1answer
36 views
Is it necessary to do validation again when retrieving data from database?
I do validation when saving data to database like following:
$data = validate($data);
update_post_meta($post_id, 'my_post_meta', $data);
The question is, do I need to do validation again when read ...
5
votes
1answer
4k views
WordPress REST API validation
I'd like to validate the data sent to my end point.
https://www.shawnhooper.ca/2017/02/15/wp-rest-secrets-found-reading-core-code/
This post referenced the undocumented validation options. I have got ...
