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Function Signature:

_wp_link_page

Function Description:

Helper function for wp_link_pages().

Function Examples:

⚠️ Examples below are generated with GPT-3 once every hour. Do not take them too seriously.
Consider them as some extra input in your learning process - reason about them. Will it work? What could fail? 
// Example 1: Basic usage of _wp_link_page to display pagination links for paginated posts
 '',
        'link_before'      => '',
        'link_after'       => '',
        'next_or_number'   => 'number',
        'separator'        => ' ',
        'nextpagelink'     => __( 'Next page', 'textdomain' ),
        'previouspagelink' => __( 'Previous page', 'textdomain' ),
        'pagelink'         => '%',
        'echo'             => 1
    );

    wp_link_pages( $args );
?>
// Example 2: Using _wp_link_page to customize the pagination links for a specific post
 '',
        'link_before'      => '',
        'link_after'       => '',
        'next_or_number'   => 'number',
        'separator'        => ' ',
        'nextpagelink'     => __( 'Next', 'textdomain' ),
        'previouspagelink' => __( 'Previous', 'textdomain' ),
        'pagelink'         => '%',
        'echo'             => 1
    );

    wp_link_pages( $args );
?>
// Example 3: Handling the case when there are no pagination links using _wp_link_page
 '',
        'link_before'      => '',
        'link_after'       => '',
        'next_or_number'   => 'number',
        'separator'        => ' ',
        'nextpagelink'     => '',
        'previouspagelink' => '',
        'pagelink'         => '%',
        'echo'             => 1
    );

    wp_link_pages( $args );
?>