PHP Query .. Amazing little library

include( $modx->config[ "base_path" ] . "/web_assets/classes/phpQuery.php" );
$doc = phpQuery::newDocument ($output);
$middle = strlen( strip_tags( $doc->find( ".content") ) ) / 1.8;
$quarter = $middle / 2;
$els = pq('.content > *');
$cur=0;
$ad_shown = 0;
$related_shown = 0;

foreach($els as $i) {
$s = strip_tags(  pq($i) );
$len = strlen( $s );
$cur += $len;
if ( $len  > 100  ) {

if ( !$ad_shown &&  $cur  > $middle ) {
pq($i)->append( " <div id='div-gpt-ad-1446129297051-0'> <script type=\"text/javascript\">googletag.cmd.push(function() { googletag.display('div-gpt-ad-1446129297051-0'); }); </script></div>" );
$ad_shown = 1;
}
if ( ( $related_shown < 1 && $cur > $quarter ) ||  ( $related_shown < 2 && $cur > ( $quarter + $middle ) ) ) {
if ( isset( $related_s[ $related_shown ] ) ) {
$st = $related_s[ $related_shown ];
$st["image_name"] =  pathinfo( $st["image_name"] );
$st["image_name"]  = $st["image_name"][ "filename"];
$url =  strtolower(  $st["section_cd"] ) . "/" . strtolower( $st[ "category_cd" ] )   . "/" .  $st[ "url" ];


pq($i)->append( "<p class='related-inline'" . ( stristr( $output, "blockquote" ) ? " style='float:left;'" : "" ) . "><a href='https://" . $_SERVER['HTTP_HOST'] . "/" . $url . "' onclick=\"return YouInc.trackLink(this,['CTA Click','Inline Related Story', '" . $url ."']);\" alt='" . $st[ "title" ] . "' title='" . $st[ "title" ]  . "' class='image-link'><img src='/cached_images/stories/full/" . $st["image_name"] . "-110x46.jpg' /></a><a href='https://" . $_SERVER['HTTP_HOST'] . "/" . $url."' class='title-link' onclick=\"return YouInc.trackLink(this,['CTA Click','Inline Related Story', '" . $url. "']);\"><strong>Related:</strong> " . $st[ "title" ] . "</a></p>" );
$related_shown ++;
}
}
}
}

$output = $doc;