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<?php
/**
* Pagination related helpers
*
* @package Salient WordPress Theme
* @subpackage helpers
* @version 10.5
*/
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Previous and Next Post in Same Taxonomy.
* Thanks to Bill Erickson.
*
* @since 1.0
*/
if( !function_exists('be_get_previous_post') ) {
function be_get_previous_post($in_same_cat = false, $excluded_categories = '', $taxonomy = 'category') {
return be_get_adjacent_post($in_same_cat, $excluded_categories, true, $taxonomy);
}
}
if( !function_exists('be_get_next_post') ) {
function be_get_next_post($in_same_cat = false, $excluded_categories = '', $taxonomy = 'category') {
return be_get_adjacent_post($in_same_cat, $excluded_categories, false, $taxonomy);
}
}
/**
* Grab adjacent post.
*
* @since 1.0
*/
if( !function_exists('be_get_adjacent_post') ) {
function be_get_adjacent_post( $in_same_cat = false, $excluded_categories = '', $previous = true, $taxonomy = 'category' ) {
global $post, $wpdb;
if ( empty( $post ) )
return null;
$current_post_date = $post->post_date;
$join = '';
$posts_in_ex_cats_sql = '';
if ( $in_same_cat || ! empty( $excluded_categories ) ) {
$join = " INNER JOIN $wpdb->term_relationships AS tr ON p.ID = tr.object_id INNER JOIN $wpdb->term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id";
if ( $in_same_cat ) {
$cat_array = wp_get_object_terms($post->ID, $taxonomy, array('fields' => 'ids'));
$join .= " AND tt.taxonomy = '$taxonomy' AND tt.term_id IN (" . implode(',', $cat_array) . ")";
}
$posts_in_ex_cats_sql = "AND tt.taxonomy = '$taxonomy'";
if ( ! empty( $excluded_categories ) ) {
if ( ! is_array( $excluded_categories ) ) {
// back-compat, $excluded_categories used to be IDs separated by " and "
if ( strpos( $excluded_categories, ' and ' ) !== false ) {
_deprecated_argument( __FUNCTION__, '3.3', sprintf( __( 'Use commas instead of %s to separate excluded categories.','salient' ), "'and'" ) );
$excluded_categories = explode( ' and ', $excluded_categories );
} else {
$excluded_categories = explode( ',', $excluded_categories );
}
}
$excluded_categories = array_map( 'intval', $excluded_categories );
if ( ! empty( $cat_array ) ) {
$excluded_categories = array_diff($excluded_categories, $cat_array);
$posts_in_ex_cats_sql = '';
}
if ( !empty($excluded_categories) ) {
$posts_in_ex_cats_sql = " AND tt.taxonomy = '$taxonomy' AND tt.term_id NOT IN (" . implode($excluded_categories, ',') . ")";
}
}
}
$adjacent = $previous ? 'previous' : 'next';
$op = $previous ? '<' : '>';
$order = $previous ? 'DESC' : 'ASC';
$join = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_cat, $excluded_categories );
$where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' $posts_in_ex_cats_sql", $current_post_date, $post->post_type), $in_same_cat, $excluded_categories );
$sort = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" );
$query = "SELECT p.* FROM $wpdb->posts AS p $join $where $sort";
$query_key = 'adjacent_post_' . md5($query);
$result = wp_cache_get($query_key, 'counts');
if ( false !== $result ) {
return $result;
}
$result = $wpdb->get_row("SELECT p.* FROM $wpdb->posts AS p $join $where $sort");
if ( null === $result ) {
$result = '';
}
wp_cache_set($query_key, $result, 'counts');
return $result;
}
}
if( !function_exists('be_previous_post_link') ) {
function be_previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '', $taxonomy = 'category') {
be_adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, true, $taxonomy);
}
}
if( !function_exists('be_next_post_link') ) {
function be_next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '', $taxonomy = 'category') {
be_adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, false, $taxonomy);
}
}
if( !function_exists('be_adjacent_post_link') ) {
function be_adjacent_post_link($format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true, $taxonomy = 'category') {
if ( $previous && is_attachment() )
$post = & get_post($GLOBALS['post']->post_parent);
else
$post = be_get_adjacent_post($in_same_cat, $excluded_categories, $previous, $taxonomy);
if ( !$post )
return;
$title = $post->post_title;
if ( empty($post->post_title) )
$title = $previous ? esc_html__('Previous Post','salient') : esc_html__('Next Post','salient');
$title = apply_filters('the_title', $title, $post->ID);
$date = mysql2date(get_option('date_format'), $post->post_date);
$rel = $previous ? 'prev' : 'next';
$string = '<a href="'. esc_url(get_permalink($post)) .'" rel="'.$rel.'">';
$link = str_replace('%title', $title, $link);
$link = str_replace('%date', $date, $link);
$link = $string . $link . '</a>';
$format = str_replace('%link', $link, $format);
$adjacent = $previous ? 'previous' : 'next';
echo apply_filters( "{$adjacent}_post_link", $format, $link );
}
}
/**
* Pagination output.
*
* @since 8.0
*/
if ( !function_exists( 'nectar_pagination' ) ) {
function nectar_pagination() {
global $nectar_options;
global $wp_query, $wp_rewrite;
$wp_query->query_vars['paged'] > 1 ? $current = $wp_query->query_vars['paged'] : $current = 1;
$total_pages = $wp_query->max_num_pages;
if ( $total_pages > 1 ) {
$permalink_structure = get_option('permalink_structure');
$query_type = (count($_GET)) ? '&' : '?';
$format = empty( $permalink_structure ) ? $query_type.'paged=%#%' : 'page/%#%/';
echo '<div id="pagination" data-is-text="'.esc_attr__("All items loaded", 'salient').'">';
$big = 999999999; // need an unlikely integer
echo paginate_links(array(
'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
'format' => $format,
'current' => $current,
'total' => $total_pages,
'prev_text' => esc_html__('Previous','salient'),
'next_text' => esc_html__('Next','salient')
));
echo '</div>';
}
}
}