Force Logged Out Users To Register To View Full Content

This code enables you to restrict the content on single posts and pages to any character limit for logged out users. The code then displays a message with link to the registration form:

You’ll need to enable the registration form in the general settings.

The code works in any theme.

Here’s the code & sample CSS for logged in members:

Add the following PHP code to your child themes functions file:

add_filter( 'the_content', 'registration_link', 10, 1 ); 
 
function registration_link( $content ) { 
    
    $limit = wp_trim_words( get_the_content(), 40, '.....' );
    
    $register = sprintf( '<p class="note"><a href="%s">' . __( 'You must be logged in to view content. Register here.' ) . '</a></p>', esc_url( wp_registration_url() ) );
    
    $limit = $limit . $register;

    $output = ! is_user_logged_in() && is_singular(array( 'post','page' ) ) ? $limit : $content;
    
    return $output;
}

Sample CSS

.note {
    background-color: #F5F5F5;
    border: 1px solid #DDDDDD;
    padding: 20px;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}

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