Online PHP editor | rfc for m9Guq

<?php class Html{ protected $reachedLimit = false, $totalLen = 0, $maxLen = 25, $toRemove = array(); public static function trim($html, $maxLen = 25){ $dom = new DomDocument(); $dom->loadHTML($html); $html = new static(); $toRemove = $html->walk($dom, $maxLen); // remove any nodes that passed our limit foreach($toRemove as $child) $child->parentNode->removeChild($child); // remove wrapper tags added by DD (doctype, html...) if(version_compare(PHP_VERSION, '5.3.6') < 0){ // http://stackoverflow.com/a/6953808/1058140 $dom->removeChild($dom->firstChild); $dom->replaceChild($dom->firstChild->firstChild->firstChild, $dom->firstChild); return $dom->saveHTML(); } return $dom->saveHTML($dom->getElementsByTagName('body')->item(0)); } protected function walk(DomNode $node, $maxLen){ if($this->reachedLimit){ $this->toRemove[] = $node; }else{ // only text nodes should have text, // so do the splitting here if($node instanceof DomText){ $this->totalLen += $nodeLen = strlen($node->nodeValue); // use mb_strlen / mb_substr for UTF-8 support if($this->totalLen > $maxLen){ $node->nodeValue = substr($node->nodeValue, 0, $nodeLen - ($this->totalLen - $maxLen)) . '...'; $this->reachedLimit = true; } } // if node has children, walk its child elements if(isset($node->childNodes)) foreach($node->childNodes as $child) $this->walk($child, $maxLen); } return $this->toRemove; } } print html::trim('<p>I can sdsdsdsd haz <strong> html sadsdsdsd trim </strong>', 14);

3v4l.org

Active branches

Archived branches