PHP generate page link (page number) List of functions

/** * Generate page List * * @param int $element Total number of _total_count elements * @param int $current _page Current page * @param int $per _page_elem_count per page element * Number of pages displayed @param int $show _page_num list * @param string $up _down_class page up and down style * @param string $num _class current page number style * @param string $href page link * @param string $page _symbol The link parameter of the number of pages passed * @return String */ function Get_page_link_list ($element _total_count, $current _page=1, $per _page_elem_count=10, $show _page_num=10, $up _ Down_class, $num _class, $href, $page _symbol= ' P ') { if (empty ($href)) { Automatically get page links that exclude page number parameters $page _name = basename ($_server[' php_self '); $params = $_server[' query_string '); $params _str = "; if (!empty ($params)) { $params = Str_replace (' & ', ' & ', $params); $params _array = Explode (' & ', $params); foreach ($params _array as $param) { if (!empty ($param)) { $index = Strpos ($param, ' = '); if ($index) { $key = substr ($param, 0, $index); if ($key && $key! = $page _symbol) $params _str. = $param. ' & '; } } } } if (!empty ($params _str)) $href = $page _name. '?' . $params _str; Else $href = $page _name; $href = RTrim ($href, ' & '); } $prefix = Strpos ($href, "?")? " & ":"? "; $prefix. = $page _symbol; $page _total_count = ceil ($element _total_count/$per _page_elem_count); if (Intval ($element _total_count) < 1 | |!isset ($element _total_count)) { Return '; } if ($element _total_count <= $per _page_elem_count) Return '; if ($current _page> $page _total_count) $current _page = 1; if (Strpos ($href, "#")) { $label = substr ($href, Strpos ($href, "#")); $href = substr ($href, 0,strpos ($href, "#")); } /* Generate page Number */ if ($current _page > Ceil ($show _page_num/2)) { $start = $current _page-ceil ($show _PAGE_NUM/2); $end = (($current _page+ceil ($show _page_num/2)) < $page _total_count)? $current _page+ceil ($show _page_num/2)-1: $page _total_count; } Else { $start = 1; $end = ($show _page_num> $page _total_count)? $page _total_count: $show _page_num; } if (!empty ($num _class)) $num _class_str = ' class= '. $num _class. ' "; Else $num _class_str = "; $page _num_string = "; for ($i = $start; $i <= $end; $i + +) { if (intval ($i) = = Intval ($current _page)) $page _num_string. = '. $i. '; Else $page _num_string. = '. $i. '; } /* PAGE UP/down * $prev _page = (intval ($current _page-1) >0)? Intval ($current _page-1): 0; $next _page = (intval ($current _page) < $page _total_count)? Intval ($current _page+1): 0; if (!empty ($up _down_class)) $up _down_class_str = ' class= '. $up _down_class. ' "; Else $up _down_class_str = "; $page _up_string = "; if (Intval ($prev _page) > 0) $page _up_string = ' previous page '; Else $page _up_string = ' previous page '; $page _down_string = "; if (Intval ($next _page) > 0) $page _down_string. = ' next page '; Else $page _down_string. = ' next page '; /* Return results */ Return $page _up_string. $page _num_string. $page _down_string; } ?> Copy Code

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