Filters the HTML output of page links for paginated posts.

Parameters

$outputstring

HTML output of paginated posts’ page links.

$argsarray|string

An array or query string of arguments. See wp_link_pages() for information on accepted arguments.

More Arguments from wp_link_pages( … $args )

Array or string of default arguments.

• before string
  HTML or text to prepend to each link. Default is <p> Pages:.
• after string
  HTML or text to append to each link. Default is </p>.
• link_before string
  HTML or text to prepend to each link, inside the <a> tag.
  Also prepended to the current item, which is not linked.
• link_after string
  HTML or text to append to each Pages link inside the <a> tag.
  Also appended to the current item, which is not linked.
• aria_current string
  The value for the aria-current attribute. Possible values are 'page', 'step', 'location', 'date', 'time', 'true', 'false'. Default is 'page'.
• next_or_number string
  Indicates whether page numbers should be used. Valid values are number and next. Default is 'number'.
• separator string
  Text between pagination links. Default is ‘ ‘.
• nextpagelink string
  Link text for the next page link, if available. Default is ‘Next Page’.
• previouspagelink string
  Link text for the previous page link, if available. Default is ‘Previous Page’.
• pagelink string
  Format string for page numbers. The % in the parameter string will be replaced with the page number, so ‘Page %’ generates "Page 1", "Page 2", etc.
  Defaults to '%', just the page number.
• echo int|bool
  Whether to echo or not. Accepts 1|true or 0|false. Default 1|true.

Source

$html = apply_filters( 'wp_link_pages', $output, $args );

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