wp_link_pages_link │ filter-hook │ WP 3.6.0

Filters the HTML output of individual page number links.

Usage

add_filter( 'wp_link_pages_link', 'wp_kama_link_pages_filter', 10, 2 );

/**
 * Function for `wp_link_pages_link` filter-hook.
 * 
 * @param string $link The page number HTML output.
 * @param int    $i    Page number for paginated posts' page links.
 *
 * @return string
 */
function wp_kama_link_pages_filter( $link, $i ){

	// filter...
	return $link;
}

$link(string)

The page number HTML output.

$i(int)

Page number for paginated posts' page links.

Changelog

Where the hook is called

$link = apply_filters( 'wp_link_pages_link', $link, $i );

$output .= apply_filters( 'wp_link_pages_link', $link, $prev );

$output .= apply_filters( 'wp_link_pages_link', $link, $next );

Where the hook is used in WordPress