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Zaid Bin Khalid PHP pagination class with Bootstrap 4

Updated by Zaid Bin Khalid
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File paginator.class.php Modified

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 	var $querystring;
 	var $ipp_array;
 
-	function Paginator()
+	function __construct()
 	{
 		$this->current_page = 1;
 		$this->mid_range = 7;
Updated by Zaid Bin Khalid
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File paginator.class.php Modified

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 		{
 			for($i=1;$i<=$this->num_pages;$i++)
 			{
-				$this->return .= ($i == $this->current_page) ? "<li class='page-item active'><a class=\"page-link\" href=\"#\">$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> ";
+				$this->return .= ($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> ";
 			}
-			$this->return .= "<li class='page-item'><a class=\"page-link\" hidden href=\"$_SERVER[PHP_SELF]?page=1&ipp=All$this->querystring\">All</a></li> \n";
+			$this->return .= "<li class='page-item'><a class=\"page-link\" href=\"$_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;
Created by Zaid Bin Khalid
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File paginator.class.php Added

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+<?php
+/*
+ * PHP Pagination Class with bootstrap 4
+ * @version 1.0.0
+ */
+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]) $this->return .= "";
+				// loop through all pages. if first, last, or in range, display
+				if($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 .= "";
+			}
+			$this->return .= (($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 == $this->current_page) ? "<li class='page-item active'><a class=\"page-link\" href=\"#\">$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> ";
+			}
+			$this->return .= "<li class='page-item'><a class=\"page-link\" hidden href=\"$_SERVER[PHP_SELF]?page=1&ipp=All$this->querystring\">All</a></li> \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;
+	}
+}
+?>
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