functions - Read For Learn

How can I process a form submission from an HTTP POST request?

you can use admin-post.php to process the form. you can set the form like that : <form action=”<?= htmlspecialchars(admin_url(“admin-post.php?action=MY_PLUGIN__my_action”))?>” method=”POST” > <button name=”send”>go</button> </form> and then you link the code with that : add_action(“admin_init”, function () { if ( !isset($_GET[“action”]) || (“MY_PLUGIN__my_action” !== $_GET[“action”]) ) { return; } /* */ // debug var_export($_POST); exit(); /* … Read more

set a Gravity Forms uploaded image as a user’s avatar

So I finally figured the solution out with the help of DeepSeek AI; first, I created a user meta with ACF plugin named: acf_user_avatar. then I mapped the upload file field of my form to this new meta key by Gravity Forms User Registration Addone. and then DeepSeek provided me a code that would set … Read more

WordPress generating Undefined Variable warning

As the warnings say, $post is used but not defined, hence “Undefined variable $post” and then ‘Attempt to read property “ID” on null’. It seems like the global $post is in an erroneous location and should be before the if statement: global $post; if ( is_singular() && wp_attachment_is_image ( $post->ID ) ) You may also … Read more

How to Programmatically Replace Characters in WooCommerce Product Slugs?

Gravity forms adding classes to specific form elements [closed]

Trouble getting wpdb to work – first time

How to redirect using a custom wordpress api endpoint after form submission?

If you’re using javascript to submit the form data to the REST endpoint, then you should handle the redirection at the client side, not at the server with PHP. Read the location header from the response and pass it to window.location to redirect the user somewhere. Here’s a simplified example – not tested, requires fleshing … Read more

Rewrite standard $errors messages output via function.php

Try this on function.php <?php add_filter(‘login_errors’, ‘custom_login_error_messages’); function custom_login_error_messages($error) { if (strpos($error, ‘Invalid email address’) !== false) { return ‘The email address you entered is not valid. Please try again.’; } elseif (strpos($error, ‘Lost your password?’) !== false) { return ‘Please click the “Forgot Password” link to reset your password.’; } return ‘Login failed. Please … Read more

Developing a “fallback” for empty wp_query results based on post dates

PHP strtotime() takes some weird string values that we can use in combination with the WP_Query date_query ‘before’ keyword. For example, we can get X posts before 1 year before tomorrow: $tomorrow_a_year_ago = wp_date( ‘Y-m-d’, strtotime( ‘-1 year +1 day’ ) ); $args = array( ‘post_type’ => ‘post’, ‘posts_per_page’ => 5, ‘post_status’ => ‘publish’, ‘orderby’ … Read more

Is it possible to automatically set the publication time to 8am on new posts?

you can automate this hour selection with the following code. take into account that this code also affect the date of a post created trough the API. add_filter(“wp_insert_post_data”, function ($data, $postarr, $unsanitized_postarr, $update) { if ( !$update && (“post” === $data[“post_type”]) && (“auto-draft” === $data[“post_status”]) ) { $date = current_datetime() ->modify(“tomorrow 08:00:00”) ->format(“Y-m-d H:i:s”) ; … Read more

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