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paginator.class.php
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<?php
/*
* PHP Pagination Class
* @URL - https://learncodeweb.com
* @Modified By ZAID BIN KHALID
* @Date 2019-02-15
*/
class Paginator
{
var $items_per_page;
var $items_total;
var $current_page;
var $num_pages;
var $mid_range;
var $low;
var $limit;
var $return;
var $default_ipp;
var $querystring;
var $ipp_array;
function Paginator()
{
$this->current_page = 1;
$this->mid_range = 7;
$this->ipp_array = array(10, 25, 50, 100, 150, 200, 'All');
$this->items_per_page = (!empty($_GET['ipp'])) ? $_GET['ipp'] : $this->default_ipp;
}
function paginate()
{
if (!isset($this->default_ipp)) $this->default_ipp = 100;
if ($_GET['ipp'] == 'All') {
$this->num_pages = 1;
} else {
if (!is_numeric($this->items_per_page) or $this->items_per_page <= 0) $this->items_per_page = $this->default_ipp;
$this->num_pages = ceil($this->items_total / $this->items_per_page);
}
$this->current_page = (isset($_GET['page'])) ? (int) $_GET['page'] : 1; // must be numeric > 0
$prev_page = $this->current_page - 1;
$next_page = $this->current_page + 1;
if ($_GET) {
$args = explode("&", $_SERVER['QUERY_STRING']);
foreach ($args as $arg) {
$keyval = explode("=", $arg);
if ($keyval[0] != "page" and $keyval[0] != "ipp") $this->querystring .= "&" . $arg;
}
}
if ($_POST) {
foreach ($_POST as $key => $val) {
if ($key != "page" and $key != "ipp") $this->querystring .= "&$key=$val";
}
}
if ($this->num_pages > 1) {
$this->return = ($this->current_page > 1 and $this->items_total >= 10) ? "<div class='row'><div class='col-sm-7'><ul class='pagination'><li class='page-item'><a class=\"page-link\" href=\"$_SERVER[PHP_SELF]?page=$prev_page&ipp=$this->items_per_page$this->querystring\">Previous</a></li> " : "<div class='row'><div class='col-sm-7'><ul class='pagination'><li class='page-item'><a href=\"javascript:;\" class=\"page-link disabled\" tabindex=\"-1\">Previous</a></li> ";
$this->start_range = $this->current_page - floor($this->mid_range / 2);
$this->end_range = $this->current_page + floor($this->mid_range / 2);
if ($this->start_range <= 0) {
$this->end_range += abs($this->start_range) + 1;
$this->start_range = 1;
}
if ($this->end_range > $this->num_pages) {
$this->start_range -= $this->end_range - $this->num_pages;
$this->end_range = $this->num_pages;
}
$this->range = range($this->start_range, $this->end_range);
for ($i = 1; $i <= $this->num_pages; $i++) {
//if($this->range[0] > 2 And $i == $this->range[0]) $this->return .= " ... ";
if ($this->range[0] > 2 and $i == $this->range[0]) $this->return .= '<li class="page-item"><a class="page-link" href="javascript:;">...</a></li>';
// loop through all pages. if first, last, or in range, display
if ($i == 1 or $i == $this->num_pages or in_array($i, $this->range)) {
$this->return .= ($i == $this->current_page and ($_GET['page'] != 'All')) ? "<li class='page-item active'><a title=\"Go to page $i of $this->num_pages\" class=\"page-link\" href=\"#\">$i</a></li> " : "<li class='page-item'><a class=\"page-link\" title=\"Go to page $i of $this->num_pages\" href=\"$_SERVER[PHP_SELF]?page=$i&ipp=$this->items_per_page$this->querystring\">$i</a></li> ";
}
//if($this->range[$this->mid_range-1] < $this->num_pages-1 And $i == $this->range[$this->mid_range-1]) $this->return .= " ... ";
if ($this->range[$this->mid_range - 1] < $this->num_pages - 1 and $i == $this->range[$this->mid_range - 1]) $this->return .= '<li class="page-item"><a class="page-link" href="javascript:;">...</a></li>';
}
$this->return .= (($this->current_page < $this->num_pages and $this->items_total >= 10) and ($_GET['page'] != 'All') and $this->current_page > 0) ? "<li class='page-item'><a class=\"page-link\" href=\"$_SERVER[PHP_SELF]?page=$next_page&ipp=$this->items_per_page$this->querystring\">Next</a></li>\n" : "<li class='page-item'><a href=\"javascript:;\" class=\"page-link disabled\" href=\"javascript:;\" tabindex=\"-1\">Next</a></li>\n";
$this->return .= ($_GET['page'] == 'All') ? "<li class='page-item active'><a class=\"page-link\" hidden href=\"javascript:;\">All</a></li> \n" : "<li class='page-item'><a class=\"page-link\" hidden href=\"$_SERVER[PHP_SELF]?page=1&ipp=All$this->querystring\">All</a></li></ul></div> \n";
} else {
for ($i = 1; $i <= $this->num_pages; $i++) {
$this->return .= ($i == $this->current_page) ? "<div class='row'><div class='col-sm-7'><ul class='pagination'><li class='page-item active'><a class=\"page-link\" href=\"#\">$i</a></li> " : "<li class='page-item'><a class=\"page-link\" href=\"$_SERVER[PHP_SELF]?page=$i&ipp=$this->items_per_page$this->querystring\">$i</a></li> ";
}
$this->return .= "<li class='page-item'><a class=\"page-link\" href=\"$_SERVER[PHP_SELF]?page=1&ipp=All$this->querystring\">All</a></li></ul></div> \n";
}
$this->low = ($this->current_page <= 0) ? 0 : ($this->current_page - 1) * $this->items_per_page;
if ($this->current_page <= 0) $this->items_per_page = 0;
$this->limit = (isset($_GET['ipp']) && $_GET['ipp'] == 'All') ? "" : " LIMIT $this->low,$this->items_per_page";
}
function display_items_per_page()
{
$items = '';
if (!isset($_GET['ipp'])) $this->items_per_page = $this->default_ipp;
foreach ($this->ipp_array as $ipp_opt) $items .= ($ipp_opt == $this->items_per_page) ? "<option selected value=\"$ipp_opt\">$ipp_opt</option>\n" : "<option value=\"$ipp_opt\">$ipp_opt</option> \n";
return "<div class='col-sm-5 float-sm-right'><div class='form-row mt-2 text-right'><div class='col'><span class=\"text-muted\">Rows:</span> <select class=\"border rounded text-muted\" onchange=\"window.location='$_SERVER[PHP_SELF]?page=1&ipp='+this[this.selectedIndex].value+'$this->querystring';return false\">$items</select></div>\n";
}
function display_jump_menu()
{
$option = '';
for ($i = 1; $i <= $this->num_pages; $i++) {
$option .= ($i == $this->current_page) ? "<option value=\"$i\" selected>$i</option>\n" : "<option value=\"$i\">$i</option> \n";
}
return "<div class='col'><span class=\"text-muted\">Page:</span> <select class=\"border rounded text-muted\" onchange=\"window.location='$_SERVER[PHP_SELF]?page='+this[this.selectedIndex].value+'&ipp=$this->items_per_page$this->querystring';return false\">$option</select></div><div class='col'><strong class='text-danger'>Total: " . $this->items_total . "</strong></div></div></div></div>\n";
}
function display_pages()
{
return $this->return;
}
}