pagebreaking-output_filter.php

<?php

// MODX revo "PageBreaking" snnipet for output filter
// SnnipetName : pageBreak
// Usage : [[content:pageBreak]]

if ($input == '') return '';

$var_name  	= 'p';
$delimiter 		= '{pagebreak}';
$tplLinkNext   = '<a href="[+link+]" class="next">&gt;</a>';
$tplLinkNextNL = '<span class="next">&gt;</span>';
$tplLinkPrev 	= '<a href="[+link+]" class="prev">&lt;</a>';
$tplLinkPrevNL = '<span class="prev">&lt;</span>';
$tplLinkNav 	= '<div class="pb_nav">[+linkprev+][+pagelinks+][+linknext+]</div>';

$pip_content 			= $input;
// This snnipet is for output filter, so read input above.
// Uncomment below if you want to use this code as a normal call snnipet.
// $pip_content = $modx->resource->get('content');

$pip_pagecontent 	= preg_split('/(<([\w]+)[^>]*>|[\s\n]|)*'.$delimiter.'(<\/([\w]+)[^>]*>|[\s\n]|)*/i',$pip_content); // Ignore HTMLtags before and after delimiter.
$pip_pagecount		= count($pip_pagecontent);

if ($pip_pagecount > 1){
 
   $pip_currentpage = isset($_GET[$var_name]) ? $_GET[$var_name]: 1;
   if ($pip_currentpage > $pip_pagecount || $pip_currentpage < 1) { $pip_currentpage = 1; }

   $config = $modx->getConfig();
   $char = ($config['friendly_urls'] == 0) ? "&" : "?";
   $url = $modx->makeUrl($modx->resource->get('id'),'',$char.$var_name.'=','full');
 
   $prevpage = $pip_currentpage-1;
   $nextpage = $pip_currentpage+1;
 
   $linkprev = ($prevpage>0) ? str_replace("[+link+]",$url.$prevpage,$tplLinkPrev) : $tplLinkPrevNL;
   $linknext = ($nextpage>$pip_pagecount) ? $tplLinkNextNL : str_replace("[+link+]",$url.$nextpage,$tplLinkNext);
 
   $pagelinks='';
   for($i=1;$i<=$pip_pagecount;$i++){
      if($i==$pip_currentpage) 	$pagelinks.='<span class="num current">'.$i.'</span>';
      else 											$pagelinks.='<a class="num" href="'.$url.$i.'">'.$i.'</a>';
   }
 
   $pip_template = str_replace("[+linkprev+]",$linkprev,$tplLinkNav);
   $pip_template = str_replace("[+linknext+]",$linknext,$pip_template);
   $pip_template = str_replace("[+total+]",$pip_pagecount,$pip_template);
   $pip_template = str_replace("[+current+]",$pip_currentpage,$pip_template);
   $pip_template = str_replace("[+pagelinks+]",$pagelinks,$pip_template);
 
   $pip_content=$pip_template.$pip_pagecontent[$pip_currentpage-1].$pip_template;
}

return $pip_content;
?>