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 ( $post->ID ) ) You may also … Read more
If you’re using javascript to submit the form data to the REST endpoint, then you should handle the redirection at the client side, not at the server with PHP. Read the location header from the response and pass it to window.location to redirect the user somewhere. Here’s a simplified example – not tested, requires fleshing … Read more
Try this on function.php <?php add_filter(‘login_errors’, ‘custom_login_error_messages’); function custom_login_error_messages($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
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’ ) ); $args = array( ‘post_type’ => ‘post’, ‘posts_per_page’ => 5, ‘post_status’ => ‘publish’, ‘orderby’ … Read more
you can automate this hour selection with the following code. take into account that this code also affect the date of a post created trough the API. add_filter(“wp_insert_post_data”, function ($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
You must be thinking something like this: In this URL: https://myawesomewebsite.com/page?custom_id=456 function check_parameter_in_url() { if ( isset( $_GET[‘custom_id’] ) { //do something } }
You can make your life a little easier by moving the details fetching to an earlier point in the WordPress loading sequence and wrapping the data in a class. The object initialized from the class can then be used to provide the data to WordPress and to your template with filters. For example you could … Read more
you can create a hook to make communication between different parts : in your theme : add_filter(“MY_THEME/creating_something”, function ($return, $args1, $args2) { error_log(“calling creating_something in ” . __FILE__); if ($args2 > 2) { $return = 100 * $args1 + $args2; } return $return; }, 10, 3); // 3 is for the 3 arguments of the … Read more
You could use PHP’s preg_replace() to wrap all the numbers (ie, any successive combination of 0 through 9) in a <span> tag. add_filter( ‘the_content’, ‘wpse426625_number_wrapper’ ); /** * Wraps any number in the content in a <span> tag. * * @param string $content The post content. * @return string The content with the numbers wrapped … Read more
You’re using ‘post_type’ => ‘any’ in your get_post() arguments, which will get, well, any post type. Instead, specify which post type(s) you want to retrieve. function auto_link_post_titles( $content ) { // Sets the post type(s) we’ll retrieve. $desired_post_types = array( ‘my_post_type’, ‘my_other_post_type’ ); // This is to get all published posts from all post types. … Read more