Example of a function used by php to generate a page flip link list

Example of a function used by php to generate a page flip link list

/** * Generate a page number list * @ Param int $ element_total_count total number of elements * @ Param int $ current_page current page * @ Param int $ per_page_elem_count number of elements on each page * @ Param int $ show_page_num the number of page numbers displayed in the list * @ Param string $ up_down_class Page Flip Style * @ Param string $ num_class digital style of the current page number * @ Param string $ href page link * @ Param string $ page_symbol pass the link parameter of the number of page numbers * @ Return string * @ Site bbs.it-home.org */ Public static function getPageListLink ($ 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 obtain the page link for removing 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 .''; } /* Flip pages */ $ 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 $ page_up_string. $ page_num_string. $ page_down_string; }