PHP - Quick and easy dynamic pagination function.

PHP - Quick and easy pagination function.php

<?php

/** Paging function
 * 
 * @param int $max          -> results count      
 * @param int $inter        -> display per page
 * @param int $cur          -> current page
 * @param string $link      -> base url
 * @param string $urlquery  -> url query variable name
 * @param int $pad          -> padding arround current page
 * @return string           -> UL
 */
function paging($max, $inter, $cur, $link='', $urlquery='', $pad = 3) {
    $pages = ceil(intval($max) / intval($inter));
    $res = array("<ul>");
    $cur--;
    if ($pages > 8) { 
        for ($i=0; $i<$pages; $i++) {
            if ($i === 0) {
                $res[] = "<li ".(($i === $cur)?"class='active-page'":"")." data-page='".$i."'><a href='".$link.$urlquery."=".($i+1)."'>First</a></li>";
            } elseif ($i+1 == $pages) { 
                $res[] = "<li ".(($i === $cur)?"class='active-page'":"")." data-page='".$i."'><a href='".$link.$urlquery."=".($i+1)."'>Last</a></li>";
            } elseif($i > $cur - $pad && $i < $cur + $pad) {
                $res[] = "<li ".(($i === $cur)?"class='active-page'":"")." data-page='".$i."'><a href='".$link.$urlquery."=".($i+1)."'>".($i+1)."</a></li>";
            }
        }
    } else { 
        for ($i=0; $i<$pages; $i++) { 
            $res[] = "<li ".(($i === $cur)?"class='active-page'":"")." data-page='".$i."'><a href='".$link.$urlquery."=".($i+1)."'>".($i+1)."</a></li>";
        }
    }
    $res[] = "</ul>";
    return implode('',$res);
}

/** Examples: */
 
 echo paging(27, 10, 1, "http://some.com/", "?page");
 /**
  * <ul>
  *     <li data-page="0" class="active-page"><a href="http://some.com/?page=1">1</a></li>
  *     <li data-page="1"><a href="http://some.com/?page=2">2</a></li>
  *     <li data-page="2"><a href="http://some.com/?page=3">3</a></li>
  * </ul>
  */
  
 echo paging(300, 25, 9, "http://some.com/", "?other=65&page");
 /** 
  * <ul>
  *     <li data-page="0"><a href="http://some.com/?other=65&page=1">First</a></li>
  *     <li data-page="6"><a href="http://some.com/?other=65&page=7">7</a></li>
  *     <li data-page="7"><a href="http://some.com/?other=65&page=8">8</a></li>
  *     <li data-page="8" class="active-page"><a href="http://some.com/?other=65&page=9">9</a></li>
  *     <li data-page="9"><a href="http://some.com/?other=65&page=10">10</a></li>
  *     <li data-page="10"><a href="http://some.com/?other=65&page=11">11</a></li>
  *     <li data-page="11"><a href="http://some.com/?other=65&page=12">Last</a></li>
  * </ul>
  * 
  */
  
 echo paging(50, 5, 0, "http://some.com/", "?page");
 /** 
  * <ul>
  *     <li data-page="0"><a href="http://some.com/?page=1">First</a></li>
  *     <li data-page="2"><a href="http://some.com/?page=3">3</a></li>
  *     <li data-page="3"><a href="http://some.com/?page=4">4</a></li>
  *     <li class="active-page" data-page="4"><a href="http://some.com/?page=5">5</a></li>
  *     <li data-page="5"><a href="http://some.com/?page=6">6</a></li>
  *     <li data-page="6"><a href="http://some.com/?page=7">7</a></li>
  *     <li data-page="9"><a href="http://some.com/?page=10">Last</a></li>
  * </ul>
  *
  */
 
 
 
 
 
?>