Discussion :

[eltyty]

Bonjour,
j'ai récupéré une class de pagination, mais elle a un comportement bizzare que je n'arrive pas à rectifier.
J'indique bien qu'il doit m'en afficher que 3, ce qui marche pour les premières pages, mais après il augmente le nombre. Je pense que cela vient du limit mais pourquoi ...?
Je joint le script, le résultat en images.
Voici le script :

Code :

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<?php
class pagination{
	public function __construct()	{
	}
	public function calculate_pages($total_rows, $rows_per_page, $page_num)	{
		$arr = array();
		// calculate last page
		$last_page =ceil($total_rows / $rows_per_page);
		// make sure we are within limits
		$page_num = (int) $page_num;
		if ($page_num < 1)		{
		   $page_num = 1;
		} 
		elseif ($page_num > $last_page)		{
		   $page_num = $last_page;
		}
		$upto =($page_num - 1)*$rows_per_page;
		$arr['limit'] ='LIMIT '.$upto.',' .$rows_per_page;
		$arr['current'] =$page_num;
		if ($page_num === 1){
			$arr['previous'] = $page_num;
		}
		else{
			$arr['previous'] = $page_num - 1;
		}
		if ($page_num === $last_page){
			$arr['next'] = $last_page;
		}
		else{
			$arr['next'] = $page_num + 1;
		}
		$arr['last'] = $last_page;
		$arr['info'] ='Page ('.$page_num.' of '.$last_page.')';
		$arr['pages'] =$this->get_surrounding_pages($page_num, $last_page, $arr['next']);
		return $arr;
	}
	function get_surrounding_pages($page_num, $last_page, $next){
		$arr = array();
		$show = 3; // how many boxes
		// at first
		if ($page_num === 1)	{
			// case of 1 page only
			if ($next === $page_num){
				return array(1);
			}
			for ($i = 0; $i < $show; $i++)	{
				if ($i === $last_page){
					break;
				}
				array_push($arr, $i + 1);
			}
			return $arr;
		}
		// at last
		if ($page_num === $last_page)	{
			$start = $last_page - $show;
			if ($start < 1){
				$start = 0;
			}
			for ($i = $start; $i < $last_page; $i++){
				array_push($arr, $i + 1);
			}
			return $arr;
		}
		// at middle
		$start = $page_num - $show;
		if ($start < 1){
			$start = 0;
		}
		for ($i = $start; $i < $page_num; $i++)	{
			array_push($arr, $i + 1);
		}
		for ($i = ($page_num + 1); $i < ($page_num + $show); $i++)	{
			if ($i === ($last_page + 1)){
				break;
			}
			array_push($arr, $i);
		}
		return $arr;
	}
}
$g_page=(isset($_GET['p']))? $_GET['p'] : 1;
$inst=new pagination();
$arr = $inst->calculate_pages(170, 5, $g_page);
 
echo '<a href="pagination.php?p=1"><< First</a> ';
foreach ($arr['pages'] as $k=>$v){
	IF ((int)$arr['current']=== $v){
		echo '<b>'.$v.'</b> |';
 
	}
	else{
		//echo 'non';
		echo '<a href="pagination.php?p='.$v.'">'.$v.'</a> |';
	}
}
echo '<a href="pagination.php?p='.$arr['last'].'">Last >></a>';
?>