1. Locate the session_start() code
   Search your theme or active plugins for the session_start() function. It may be in the theme’s functions.php file or in a custom plugin.
2. Add session_write_close() after session_start()
   Ensure session_write_close() is called after each session_start() call, before making any HTTP requests. This will close the session and allow the REST API to work correctly. For example:
   session_start();
// Your code here
session_write_close();

3. Use the init hook in WordPress
   If session_start() needs to be in functions.php, make sure to wrap it in the init hook and use session_write_close() like this:
   add_action('init', function() {
if (!session_id()) {
session_start();
session_write_close();
}
});

The post A PHP session was created by a session_start() function call. This interferes with REST API and loopback requests. The session should be closed by session_write_close() before making any HTTP requests. appeared first on CNERIS.

Code to Assign Default Featured Image by Category

1. Open your theme’s functions.php file (preferably a child theme to avoid losing changes with updates).
2. Add the following code, replacing the URLs with your default images for each category:

function set_default_thumbnail($post_id) {
if (has_post_thumbnail($post_id)) {
return;
}

// Define default images for each category
$default_images = [
‘category-1’ => ‘https://your-site.com/wp-content/uploads/category-image1.jpg’,
‘category-2’ => ‘https://your-site.com/wp-content/uploads/category-image2.jpg’,
‘category-3’ => ‘https://your-site.com/wp-content/uploads/category-image3.jpg’,
];

// Get post categories
$categories = get_the_category($post_id);

// Check if categories are assigned and find a matching default image
foreach ($categories as $category) {
if (array_key_exists($category->slug, $default_images)) {
$image_url = $default_images[$category->slug];

// Download image and set as featured image
$image_id = attach_image_from_url($image_url, $post_id);
if ($image_id) {
set_post_thumbnail($post_id, $image_id);
}
break;
}
}
}
add_action(‘save_post’, ‘set_default_thumbnail’);

// Function to download and attach the image to the post
function attach_image_from_url($image_url, $post_id) {
$upload_dir = wp_upload_dir();
$image_data = file_get_contents($image_url);
$filename = basename($image_url);

if (wp_mkdir_p($upload_dir[‘path’])) {
$file = $upload_dir[‘path’] . ‘/’ . $filename;
} else {
$file = $upload_dir[‘basedir’] . ‘/’ . $filename;
}

file_put_contents($file, $image_data);

$wp_filetype = wp_check_filetype($filename, null);
$attachment = [
‘post_mime_type’ => $wp_filetype[‘type’],
‘post_title’ => sanitize_file_name($filename),
‘post_content’ => ”,
‘post_status’ => ‘inherit’
];

$attach_id = wp_insert_attachment($attachment, $file, $post_id);
require_once(ABSPATH . ‘wp-admin/includes/image.php’);
$attach_data = wp_generate_attachment_metadata($attach_id, $file);
wp_update_attachment_metadata($attach_id, $attach_data);

return $attach_id;
}

Code Explanation

• $default_images: Defines default images for each category using the category slug as the key and the image URL as the value.
• set_default_thumbnail: This function runs when a post is saved. If the post has no featured image, it finds the first category with a default image in $default_images and sets it as the featured image.
• attach_image_from_url: This function downloads the image from the URL and attaches it to the post as a media file, making it the featured image.

This code will automatically assign a default featured image for new or edited posts based on their category.

Note: Make sure to test this code in a development environment before implementing it on your live site, and replace the example URLs with your actual default image URLs.

The post How you can set a default featured image for each post category appeared first on CNERIS.

1. Install Forminator and Create the Form:
   • Ensure your form is configured in Forminator with all the fields you need in the PDF.
2. Use a PDF Plugin or Zapier to Create the PDF: Forminator doesn’t natively support PDF generation, but you can use a plugin or external tool.
   • WP PDF Plugin: A premium plugin that can automatically generate PDFs from form responses in WordPress.
   • Zapier: Connect Forminator to Zapier to send data to Google Docs or a PDF generator app like PDF Generator API.
3. Automate the PDF Creation: Set up an automation so that whenever a user submits a Forminator form, responses are automatically sent to the PDF creation tool, which generates and emails the final file.

The post How to automatically generate a PDF with Forminator form responses in WordPress appeared first on CNERIS.

1. Access the wp-config.php file located in the root directory of your WordPress installation.
2. Look for the following lines:
   php

   Copiar código

   define('DB_CHARSET', 'utf8mb4');
define('DB_COLLATE', '');

3. If these lines are missing or set to a different value, change DB_CHARSET to utf8mb4, which is the recommended character set for supporting special characters, including Chinese. DB_COLLATE should be left empty or set to utf8mb4_unicode_ci if you want to specify a collation.
4. Save the changes and upload the file back to the server if you are working locally.

With this change, WordPress will be configured to use the UTF-8 character set, ensuring that special characters, such as Chinese, display correctly.

The post How to change the database character set in WordPress appeared first on CNERIS.

1. Edit the wp-config.php file:
   • Access the wp-config.php file in your WordPress installation.
   • Add the following line of code before the line that says “/* That’s all, stop editing! */”:
     define('WP_MEMORY_LIMIT', '256M');


   This sets the memory limit to 256 MB. You can adjust the value depending on your needs, such as 128M or 512M.

2. Edit php.ini (optional):
   • If you have access to the php.ini file on your server, find the line:
     memory_limit = 128M

   • Change the value to a higher one, like 256M or more, according to your requirements.
3. Restart the server:
   • After making the changes, if you modified the php.ini file, you need to restart the server for the changes to take effect.

The post How to increase the memory limit in WordPress (wp_max_memory_limit)? appeared first on CNERIS.

• Ensure that the email address in WordPress is correctly configured.

Use an SMTP Plugin:

• Install a plugin like WP Mail SMTP.
• Configure it with the details of your email provider (Gmail, SendGrid, etc.).

Verify Mail Server:

• Make sure that your hosting server allows the sending of emails.

Check Spam Folder:

• Sometimes, emails may end up in the spam folder.

Temporarily Disable Security Plugins:

• Some security plugins may block email sending.

Consult Your Hosting Provider:

• Ask your provider for assistance, as there may be server restrictions.

By following these steps, you should be able to resolve the issue.

The post How to Fix the Issue of WordPress Not Sending Emails: appeared first on CNERIS.

Method 1: Using Global Variable

1. Initialize an Array to Store Displayed Post IDsBefore your first loop, initialize an empty array to keep track of the post IDs.

   php

   global $do_not_duplicate;
$do_not_duplicate = array();

2. First LoopIn your first loop, store the post IDs of the displayed posts in the global array.

   php

   <?php
global $do_not_duplicate;
$query1 = new WP_Query(array(
'posts_per_page' => 5,
));if ($query1->have_posts()) :
   while ($query1->have_posts()) : $query1->the_post();
   $do_not_duplicate[] = get_the_ID();
   // Your loop code here
   endwhile;
   wp_reset_postdata();
   endif;
   ?>

3. Second LoopIn your second loop, exclude the post IDs stored in the global array.

   php

   <?php
global $do_not_duplicate;
$query2 = new WP_Query(array(
'posts_per_page' => 5,
'post__not_in' => $do_not_duplicate,
));if ($query2->have_posts()) :
   while ($query2->have_posts()) : $query2->the_post();
   // Your loop code here
   endwhile;
   wp_reset_postdata();
   endif;
   ?>

Method 2: Using Transients for More Complex Scenarios

If you have more complex scenarios or need to persist the exclusion across different parts of your site, you might consider using WordPress transients.

1. Set Up a TransientBefore your loops, check if a transient exists and use it. If not, initialize an empty array.

   php

   $do_not_duplicate = get_transient('excluded_posts') ? get_transient('excluded_posts') : array();

2. First LoopStore the post IDs in the transient after your first loop.

   php

   <?php
$query1 = new WP_Query(array(
'posts_per_page' => 5,
));if ($query1->have_posts()) :
   while ($query1->have_posts()) : $query1->the_post();
   $do_not_duplicate[] = get_the_ID();
   // Your loop code here
   endwhile;
   wp_reset_postdata();
   set_transient(‘excluded_posts’, $do_not_duplicate, HOUR_IN_SECONDS);
   endif;
   ?>

3. Second LoopExclude the post IDs stored in the transient in your second loop.

   php

   <?php
$query2 = new WP_Query(array(
'posts_per_page' => 5,
'post__not_in' => $do_not_duplicate,
));if ($query2->have_posts()) :
   while ($query2->have_posts()) : $query2->the_post();
   // Your loop code here
   endwhile;
   wp_reset_postdata();
   endif;
   ?>

By following these methods, you can avoid displaying the same post in multiple loops on your WordPress site. The first method using a global variable is straightforward and works well for simple use cases. The second method using transients is more suitable for complex scenarios where exclusions need to persist across different parts of the site or for a longer duration.

The post Avoid repeating posts in WordPress appeared first on CNERIS.