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Description

Retrieves the link for a page number.

Usage

$string = get_pagenum_link( $pagenum, $escape );

Parameters

$pagenum

( int ) optional default: 1 – Optional. Page number. Default 1.

$escape

( bool ) optional default: 1 – Optional. Whether to escape the URL for display, with esc_url(). If set to false, prepares the URL with sanitize_url(). Default true.

Returns

string The link URL for the given page number.

Source

File name: wordpress/wp-includes/link-template.php
Lines:

function get_pagenum_link( $pagenum = 1, $escape = true ) {
  global $wp_rewrite;

  $pagenum = (int) $pagenum;

  $request = remove_query_arg( 'paged' );

  $home_root = parse_url( home_url() );
  $home_root = ( isset( $home_root['path'] ) ) ? $home_root['path'] : '';
  $home_root = preg_quote( $home_root, '|' );

  $request = preg_replace( '|^' . $home_root . '|i', '', $request );
  $request = preg_replace( '|^/+|', '', $request );

  if ( ! $wp_rewrite->using_permalinks() || is_admin() ) {
    $base = trailingslashit( get_bloginfo( 'url' ) );

    if ( $pagenum > 1 ) {
      $result = add_query_arg( 'paged', $pagenum, $base . $request );
    } else {
      $result = $base . $request;
    }
  } else {
    $qs_regex = '|\?.*?$|';
    preg_match( $qs_regex, $request, $qs_match );

    $parts   = array();
    $parts[] = untrailingslashit( get_bloginfo( 'url' ) );

    if ( ! empty( $qs_match[0] ) ) {
      $query_string = $qs_match[0];
      $request      = preg_replace( $qs_regex, '', $request );
    } else {
      $query_string = '';
    }

    $request = preg_replace( "|$wp_rewrite->pagination_base/\d+/?$|", '', $request );
    $request = preg_replace( '|^' . preg_quote( $wp_rewrite->index, '|' ) . '|i', '', $request );
    $request = ltrim( $request, '/' );

    if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' !== $request ) ) {
      $parts[] = $wp_rewrite->index;
    }

    $parts[] = untrailingslashit( $request );

    if ( $pagenum > 1 ) {
      $parts[] = $wp_rewrite->pagination_base;
      $parts[] = $pagenum;
    }

    $result = user_trailingslashit( implode( '/', array_filter( $parts ) ), 'paged' );
    if ( ! empty( $query_string ) ) {
      $result .= $query_string;
    }
  }

  
/**
 * Filters the page number link for the current request.
 *
 * @since 2.5.0
 * @since 5.2.0 Added the `$pagenum` argument.
 *
 * @param string $result  The page number link.
 * @param int    $pagenum The page number.
 */
  $result = apply_filters( 'get_pagenum_link', $result, $pagenum );

  if ( $escape ) {
    return esc_url( $result );
  } else {
    return sanitize_url( $result );
  }
}
 

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