Questions tagged [validation]

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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
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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 ...
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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 ...
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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
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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 ...
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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
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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
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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
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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( '...
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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="...
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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', '&hellip;' ) );...
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
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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
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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
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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 ...

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