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Source View: wp_link_pages_args

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
624      $defaults = array(
625           'before' => '<p>' . __('Pages:'), 'after' => '</p>',
626           'link_before' => '', 'link_after' => '',
627           'next_or_number' => 'number', 'nextpagelink' => __('Next page'),
628           'previouspagelink' => __('Previous page'), 'pagelink' => '%',
629           'echo' => 1
630      );
631
632      $r = wp_parse_args( $args, $defaults );
633      $r = apply_filters( 'wp_link_pages_args', $r );
634      extract( $r, EXTR_SKIP );
635
636      global $page, $numpages, $multipage, $more, $pagenow;
637
638      $output = '';
639      if ( $multipage ) {
640           if ( 'number' == $next_or_number ) {
641                $output .= $before;
642                for ( $i = 1; $i < ($numpages+1); $i = $i + 1 ) {