Using is_preview to check if current page is in preview mode in WordPress

The WordPress is_preview function is a conditional tag that checks whether the current request is for a preview of a post or page. This can be useful for customizing the display or behavior of a WordPress site when a user is previewing a post or page before publishing it.

By using the is_preview function, developers can create specific conditions or actions that only apply when a user is previewing a post or page. This can help in providing a better user experience and ensuring that the preview functionality works as intended.

WordPress is_preview Function Parameters and Return Value

The is_preview function does not require any parameters to be passed to it.

When called, the function returns a boolean value indicating whether the query is for a post or page preview.

Examples

How to check if the current page is a preview using is_preview

Code snippet:

if ( is_preview() ) {
 // Do something if the current page is a preview
}

Explanation: This code snippet uses the is_preview function to check if the current page is a preview. If it returns true, the code inside the if statement will be executed.

How to redirect a user if the current page is a preview using is_preview

Code snippet:

if ( is_preview() ) {
 wp_redirect( home_url( '/preview-redirect' ) );
 exit;
}

Explanation: This code snippet checks if the current page is a preview using the is_preview function. If it returns true, the user will be redirected to the ‘preview-redirect’ page.

How to display a message if the current page is a preview using is_preview

Code snippet:

if ( is_preview() ) {
 echo 'This is a preview of the page.';
}

Explanation: This code snippet uses the is_preview function to check if the current page is a preview. If it returns true, a message ‘This is a preview of the page.’ will be displayed.

Conclusion

In conclusion, the is_preview function is a valuable tool for developers working with WordPress themes and plugins. By utilizing this function, developers can easily determine if a user is viewing a preview of a post or page, allowing for customized functionality and improved user experience. With its simple syntax and powerful capabilities, is_preview is a must-have function for any WordPress developer looking to enhance their projects.

Related WordPress Functions

• Checking if current post is an attachment in WordPress with is_attachment
• Checking if current page is an archive in WordPress with is_archive
• Checking if current page is a tag in WordPress using is_tag
• Checking if current page is a single post page in WordPress using is_single
• Using is_404 to check if the current page is a 404 error page in WordPress
• Using is_category to check if current page is a category archive in WordPress
• Checking if the current page is a search results page in WordPress with is_search
• Checking if the current page is the home page in WordPress using is_home
• Checking if current page is a WordPress page using is_page