[SOLUCIONADO] Paginacion de cadena (array) en php

<?php

        $obj = new feed_burner();

        $pal = $obj->recall_post();
	
	$page = (!empty($_GET["page"]))? $_GET["page"]: 1;
	$totalpost = count($pal);
	$postperpag = 3;
	$start = ($page * $totalpost) - $postperpage;
	$end = ceil($page/$start);
	$prev = $page - $end;
	$next = $page + $end;
	$offset = 0;
	
	$numpost = array_slice($pal, $end, $postperpag);
		
	if($numpost >= 0){
	
		foreach($numpost as $element){
			$data = file("blog_entries/".$element);
			echo "<h2>{$data[0]}</h2>";
			unset($data);
		}
		
		echo "<a href=\"?page={$prev}\"> Previous </a>";
		for($i = 0; $i <= $end; $i++){
			echo $i;
		}
		
		echo "<a href=\"?page={$next}\"> Next </a>";
		
		++$offset;
		
	}

?>