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<?php
class Penci_Pagination {
/**
* Displays a paginated navigation to next/previous set of posts, when applicable.
*
* @param $total
*/
public static function the_posts_pagination( $total, $class, $add_args ) {
$navigation = '';
$links = self::paginate_links( array(
'prev_text' => '<i class="fa fa-angle-left"></i>',
'next_text' => '<i class="fa fa-angle-right"></i>',
'current' => self::get_current_paged(),
'total' => $total,
//'add_args' => $add_args
) );
if ( $links ) {
$navigation = self::_navigation_markup( $links, 'penci-pagination' . ( $class ? ' ' . $class : '' ), '' );
}
echo $navigation;
}
public static function get_current_paged() {
global $wp_query;
$current = $wp_query->get( 'paged' );
if ( empty( $current ) ) {
if ( isset( $wp_query->query['paged'] ) ) {
$current = $wp_query->query['paged'];
} else {
$current = 1;
}
}
return $current;
}
public static function paginate_links( $args = '' ) {
global $wp_query, $wp_rewrite;
// Setting up default values based on the current URL.
$pagenum_link = html_entity_decode( get_pagenum_link() );
$url_parts = explode( '?', $pagenum_link );
// Get max pages and current page out of the current query, if available.
$total = isset( $wp_query->max_num_pages ) ? $wp_query->max_num_pages : 1;
$current = get_query_var( 'paged' ) ? intval( get_query_var( 'paged' ) ) : 1;
// Append the format placeholder to the base URL.
$pagenum_link = trailingslashit( $url_parts[0] ) . '%_%';
// URL base depends on permalink settings.
$format = $wp_rewrite->using_index_permalinks() && ! strpos( $pagenum_link, 'index.php' ) ? 'index.php/' : '';
$format .= $wp_rewrite->using_permalinks() ? user_trailingslashit( $wp_rewrite->pagination_base . '/%#%', 'paged' ) : '?paged=%#%';
$defaults = array(
'base' => $pagenum_link, // http://example.com/all_posts.php%_% : %_% is replaced by format (below)
'format' => $format, // ?page=%#% : %#% is replaced by the page number
'total' => $total,
'current' => $current,
'show_all' => false,
'prev_next' => true,
'prev_text' => __( '« Previous' ),
'next_text' => __( 'Next »' ),
'end_size' => 1,
'mid_size' => 2,
'type' => 'plain',
'add_args' => array(), // array of query args to add
'add_fragment' => '',
'before_page_number' => '',
'after_page_number' => ''
);
$args = wp_parse_args( $args, $defaults );
if ( ! is_array( $args['add_args'] ) ) {
$args['add_args'] = array();
}
// Merge additional query vars found in the original URL into 'add_args' array.
if ( isset( $url_parts[1] ) ) {
// Find the format argument.
$format = explode( '?', str_replace( '%_%', $args['format'], $args['base'] ) );
$format_query = isset( $format[1] ) ? $format[1] : '';
wp_parse_str( $format_query, $format_args );
// Find the query args of the requested URL.
wp_parse_str( $url_parts[1], $url_query_args );
// Remove the format argument from the array of query arguments, to avoid overwriting custom format.
foreach ( $format_args as $format_arg => $format_arg_value ) {
unset( $url_query_args[ $format_arg ] );
}
$args['add_args'] = array_merge( $args['add_args'], urlencode_deep( $url_query_args ) );
}
// Who knows what else people pass in $args
$total = (int) $args['total'];
if ( $total < 2 ) {
return;
}
$current = (int) $args['current'];
$end_size = (int) $args['end_size']; // Out of bounds? Make it the default.
if ( $end_size < 1 ) {
$end_size = 1;
}
$mid_size = (int) $args['mid_size'];
if ( $mid_size < 0 ) {
$mid_size = 2;
}
$add_args = $args['add_args'];
$r = '';
$page_links = array();
$dots = false;
if ( $args['prev_next'] && $current && 1 < $current ) :
$link = str_replace( '%_%', 2 == $current ? '' : $args['format'], $args['base'] );
$link = str_replace( '%#%', $current - 1, $link );
if ( $add_args ) {
$link = add_query_arg( $add_args, $link );
}
$link .= $args['add_fragment'];
/**
* Filters the paginated links for the given archive pages.
*
* @since 3.0.0
*
* @param string $link The paginated link URL.
*/
$page_links[] = '<a class="prev page-numbers" href="' . esc_url( apply_filters( 'paginate_links', $link ) ) . '">' . $args['prev_text'] . '</a>';
endif;
for ( $n = 1; $n <= $total; $n ++ ) :
if ( $n == $current ) :
$page_links[] = "<span class='page-numbers current'>" . $args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number'] . "</span>";
$dots = true;
else :
if ( $args['show_all'] || ( $n <= $end_size || ( $current && $n >= $current - $mid_size && $n <= $current + $mid_size ) || $n > $total - $end_size ) ) :
$link = str_replace( '%_%', 1 == $n ? '' : $args['format'], $args['base'] );
$link = str_replace( '%#%', $n, $link );
if ( $add_args && 1 != $n ) {
$link = add_query_arg( $add_args, $link );
}
$link .= $args['add_fragment'];
/** This filter is documented in wp-includes/general-template.php */
$page_links[] = "<a class='page-numbers' href='" . esc_url( apply_filters( 'paginate_links', $link ) ) . "'>" . $args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number'] . "</a>";
$dots = true;
elseif ( $dots && ! $args['show_all'] ) :
$page_links[] = '<span class="page-numbers dots">' . __( '…' ) . '</span>';
$dots = false;
endif;
endif;
endfor;
if ( $args['prev_next'] && $current && $current < $total ) :
$link = str_replace( '%_%', $args['format'], $args['base'] );
$link = str_replace( '%#%', $current + 1, $link );
if ( $add_args ) {
$link = add_query_arg( $add_args, $link );
}
$link .= $args['add_fragment'];
/** This filter is documented in wp-includes/general-template.php */
$page_links[] = '<a class="next page-numbers" href="' . esc_url( apply_filters( 'paginate_links', $link ) ) . '">' . $args['next_text'] . '</a>';
endif;
switch ( $args['type'] ) {
case 'array' :
return $page_links;
case 'list' :
$r .= "<ul class='page-numbers'>\n\t<li>";
$r .= join( "</li>\n\t<li>", $page_links );
$r .= "</li>\n</ul>\n";
break;
default :
$r = join( "\n", $page_links );
break;
}
return $r;
}
/**
* Wraps passed links in navigational markup.
*
*/
public static function _navigation_markup( $links, $class = 'posts-navigation', $screen_reader_text = '' ) {
if ( empty( $screen_reader_text ) ) {
$screen_reader_text = __( 'Posts navigation' );
}
$template = '
<nav class="navigation %1$s" role="navigation">
<div class="nav-links">%3$s</div>
</nav>';
$template = apply_filters( 'navigation_markup_template', $template, $class );
return sprintf( $template, $class, esc_html( $screen_reader_text ), $links );
}
}
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