public static function paginate()
{
$output = '';
self::$total_pages = ceil(self::$_total_results / self::$_per_page);
if (self::$total_pages <= 1) {
return false;
}
if (self::$_current_page > self::$total_pages) {
self::$_current_page = self::$total_pages;
}
if (self::$total_pages <= 5) {
self::$_padding_l = self::$_current_page;
self::$_padding_r = self::$total_pages - self::$_current_page;
self::$tpl_last = NULL;
self::$tpl_first = NULL;
} elseif (self::$total_pages > 5) {
if (self::$_current_page < 4) {
self::$tpl_first = NULL;
self::$_padding_r = 4 - self::$_current_page;
$remain = self::$total_pages - self::$_current_page;
self::$_padding_l = $remain == 2 ? 1 : ($remain == 0 ? 3 : 2);
} else {
if (self::$total_pages - self::$_current_page > 2) {
self::$_padding_l = 1;
} else {
$remain = self::$total_pages - self::$_current_page;
self::$_padding_l = $remain == 2 ? 1 : ($remain == 0 ? 3 : 2);
}
self::$_padding_r = self::$total_pages - self::$_current_page > 2 ? 1 : self::$total_pages - self::$_current_page;
if (self::$_current_page + 2 >= self::$total_pages) {
self::$tpl_last = NULL;
}
}
}
$start = self::$_current_page - self::$_padding_l < 1 ? 1 : self::$_current_page - self::$_padding_l;
$finish = self::$_current_page + self::$_padding_r;
##########################################
# ADD PREV TO OUTPUT IF CURRENT PAGE > 1 #
##########################################
if (self::$_current_page > 1 && self::$tpl_prev != NULL) {
$output .= preg_replace('/\\{link\\}/i', self::$link_prefix . (self::$_current_page - 1) . self::$link_suffix, self::$tpl_prev);
}
###########################################
# ADD FIRST TO OUTPUT IF CURRENT PAGE > 1 #
###########################################
if (self::$_current_page > 1 && self::$tpl_first != NULL) {
$patterns = array('/\\{link\\}/i', '/\\{page\\}/i');
$replaces = array(self::$link_prefix . '1' . self::$link_suffix, '1');
$output .= preg_replace($patterns, $replaces, self::$tpl_first);
}
################################################
# GET LIST OF LINKED NUMBERS AND ADD TO OUTPUT #
################################################
$nums = array();
for ($i = $start; $i <= $finish; $i++) {
if ($i == self::$_current_page) {
$nums[] = preg_replace('/\\{page\\}/i', $i, self::$tpl_cur_page_num);
} else {
$patterns = array('/\\{link\\}/i', '/\\{page\\}/i');
$replaces = array(self::$link_prefix . $i . self::$link_suffix, $i);
$nums[] = preg_replace($patterns, $replaces, self::$tpl_page_nums);
}
}
$output .= implode(self::$separator, $nums);
############################################
# ADD LAST TO OUTPUT IF FINISH < MAX PAGES #
############################################
if (self::$_current_page < $finish && self::$tpl_last != NULL) {
$patterns = array('/\\{link\\}/i', '/\\{page\\}/i');
$replaces = array(self::$link_prefix . self::$total_pages . self::$link_suffix, self::$total_pages);
$output .= preg_replace($patterns, $replaces, self::$tpl_last);
}
##################################################
# ADD NEXT TO OUTPUT IF CURRENT PAGE < MAX PAGES #
##################################################
if (self::$_current_page < self::$total_pages && self::$tpl_next != NULL) {
$output .= preg_replace('/\\{link\\}/i', self::$link_prefix . (self::$_current_page + 1) . self::$link_suffix, self::$tpl_next);
}
return self::$_output = sprintf(self::$outside_template, $output);
}
