Questions tagged [validation]

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Is there a way to prevent wp_head from outputting self-closing tags?

I'm a beginner in WP development, so maybe I'm missing something obvious. Is there a way to prevent wp_head from outputting self-closing tags? Here are two example lines taken from my website: <...
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0 votes
0 answers
29 views

oneOf JSON Schema validation not properly working for custom post meta value?

I've created a custom post meta value that can be a JSON object, including nested values, in one of two possible forms, that are associated with a custom post type. Something like: register_post_meta( ...
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1 vote
1 answer
28 views

oneOf two possible objects in WP REST API?

I'm trying to define an endpoint that accepts two possible objects upon input, and currently tried to do so via: 'args' => [ 'type' => 'object',...
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0 answers
46 views

WP Rest API - Change response status code for failed validation request

I have created a new route with this code: register_rest_route( 'namespace', 'some-route', [ 'methods' => WP_REST_Server::CREATABLE, 'callback' ...
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3 votes
0 answers
17 views

Custom block Block Validation failure w/ deprecation declared

I am running into a custom block validation issue from some markup changes in the block html. I am wondering what I am missing about the deprecation as it's being hit but not validating the old markup ...
0 votes
1 answer
16 views

Block pattern conflict with custom block

I have created a custom block named testimonials and saved it as a pattern. The problem is when I make some modifications to the block save function it doesn't match with the pattern anymore and I get ...
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1 vote
0 answers
44 views

Custom Block - save.js function not saving attributes

I'm trying to get just a basic custom block displaying in the editor and saving. I've followed multiple tutorials and I keep getting the same result. No matter how simple my block is, whenever I add a ...
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0 votes
1 answer
20 views

Contact form - problem with displaying message about sent mail

I'm trying to develop a contact form for a language school website that runs on Wordpress. Disclaimer: I'm about 6 months into coding, so please forgive me for being new to this. I'm developing my own ...
0 votes
1 answer
47 views

Hook before user is created and make some custom validation

I try to hook in user creation process in admin dashboard /wp/wp-admin/user-new.php to make some custom validation on data with the following hook, but the hook is not executed on form submit. What ...
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0 votes
1 answer
77 views

Contact Form 7 Wordpress, checking a few fields, if empty then invalid

Could someone help me to solve the problem. I would like the system work like bellow. If both fields are empty = invalid. If any of the fields is completed = valid add_filter('wpcf7_validate_text', '...
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0 answers
262 views

How to add custom regex validation to WPForms password field

I'm using WPForms Pro and I'd like to add custom requirements to the password field on a form. I know that the password field has a password strength requirement setting, but I have specific rules I'd ...
0 votes
0 answers
18 views

validation email signup form buddypress

I try to customise the standard email validation error text from the signup form. So I have a child theme and I have a functions.php file. There is a file bp-members-functions.php in buddyboss. with ...
0 votes
0 answers
16 views

Code for front end validation for forms not working

I cannot get my front end validation messages to work in my form. I don't know where I am going wrong in the code. Can somebody please advise me. First Name Last Name Email ...
1 vote
0 answers
23 views

Can I use custom CSS and js plugin to put JavaScript in to validate my forms

I would like to put some front-end JavaScript validation to my forms, but was wondering, if I can put the JavaScript for the field validations in the custom CSS and js plugin, or do I need a specific ...
0 votes
0 answers
15 views

How to validate image with specific height and width selection in media selector

Is it possible to validate images with specific heights and widths in WP Media Selector, when user select image? <div class="form-field pwb_brand_cont"> <label for="...
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0 votes
1 answer
57 views

Add Server Side validation in Ajax mail form

I'm building a form that takes fields values and send them via wp_mail to the post author. It works, but I want to add a server side validation to improve security. I don't know where to add my ...
1 vote
1 answer
186 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
1 answer
404 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
1 answer
181 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
0 answers
241 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 ...
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0 votes
0 answers
692 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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1 vote
1 answer
625 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 ...
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0 votes
1 answer
785 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 ...
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1 vote
0 answers
109 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
0 answers
135 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
1 answer
815 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' ...
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0 votes
1 answer
55 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 $...
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0 votes
1 answer
889 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="<...
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0 votes
1 answer
284 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
0 answers
368 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 ...
5 votes
1 answer
5k 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
2 answers
1k 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
0 answers
197 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
0 answers
98 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
2 answers
1k 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
1 answer
69 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 ...
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0 votes
1 answer
485 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
2 answers
581 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 ...
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1 vote
1 answer
1k 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" ...
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1 vote
0 answers
14 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 ...
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0 votes
1 answer
66 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?
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0 votes
1 answer
598 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,...
user avatar
0 votes
0 answers
149 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
0 answers
38 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
1 answer
4k 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
1 answer
839 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
1 answer
782 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
1 answer
980 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 ...
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1 vote
2 answers
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 ...
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7 votes
2 answers
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 ...
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