add anime+boucleproj
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@@ -1,8 +1,9 @@
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<?php
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/**
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* @package Grav.Common.Helpers
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* @package Grav\Common\Helpers
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*
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* @copyright Copyright (C) 2015 - 2018 Trilby Media, LLC. All rights reserved.
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* @copyright Copyright (C) 2015 - 2019 Trilby Media, LLC. All rights reserved.
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* @license MIT License; see LICENSE file for details.
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*/
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@@ -30,7 +31,7 @@ class Truncator {
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/**
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* Safely truncates HTML by a given number of words.
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* @param string $html Input HTML.
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* @param integer $limit Limit to how many words we preserve.
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* @param int $limit Limit to how many words we preserve.
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* @param string $ellipsis String to use as ellipsis (if any).
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* @return string Safe truncated HTML.
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*/
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@@ -40,13 +41,12 @@ class Truncator {
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return $html;
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}
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$dom = self::htmlToDomDocument($html);
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// Grab the body of our DOM.
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$body = $dom->getElementsByTagName("body")->item(0);
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$doc = self::htmlToDomDocument($html);
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$container = $doc->getElementsByTagName('div')->item(0);
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$container = $container->parentNode->removeChild($container);
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// Iterate over words.
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$words = new DOMWordsIterator($body);
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$words = new DOMWordsIterator($container);
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$truncated = false;
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foreach ($words as $word) {
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@@ -65,7 +65,7 @@ class Truncator {
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$words[$offset][1] + strlen($words[$offset][0])
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);
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self::removeProceedingNodes($curNode, $body);
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self::removeProceedingNodes($curNode, $container);
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if (!empty($ellipsis)) {
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self::insertEllipsis($curNode, $ellipsis);
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@@ -80,32 +80,31 @@ class Truncator {
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// Return original HTML if not truncated.
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if ($truncated) {
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return self::innerHTML($body);
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} else {
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return $html;
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$html = self::getCleanedHtml($doc, $container);
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}
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return $html;
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}
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/**
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* Safely truncates HTML by a given number of letters.
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* @param string $html Input HTML.
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* @param integer $limit Limit to how many letters we preserve.
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* @param int $limit Limit to how many letters we preserve.
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* @param string $ellipsis String to use as ellipsis (if any).
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* @return string Safe truncated HTML.
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*/
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public static function truncateLetters($html, $limit = 0, $ellipsis = "")
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public static function truncateLetters($html, $limit = 0, $ellipsis = '')
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{
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if ($limit <= 0) {
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return $html;
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}
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$dom = self::htmlToDomDocument($html);
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// Grab the body of our DOM.
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$body = $dom->getElementsByTagName('body')->item(0);
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$doc = self::htmlToDomDocument($html);
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$container = $doc->getElementsByTagName('div')->item(0);
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$container = $container->parentNode->removeChild($container);
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// Iterate over letters.
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$letters = new DOMLettersIterator($body);
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$letters = new DOMLettersIterator($container);
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$truncated = false;
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foreach ($letters as $letter) {
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@@ -114,7 +113,7 @@ class Truncator {
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$currentText = $letters->currentTextPosition();
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$currentText[0]->nodeValue = mb_substr($currentText[0]->nodeValue, 0, $currentText[1] + 1);
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self::removeProceedingNodes($currentText[0], $body);
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self::removeProceedingNodes($currentText[0], $container);
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if (!empty($ellipsis)) {
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self::insertEllipsis($currentText[0], $ellipsis);
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@@ -128,10 +127,10 @@ class Truncator {
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// Return original HTML if not truncated.
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if ($truncated) {
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return self::innerHTML($body);
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} else {
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return $html;
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$html = self::getCleanedHtml($doc, $container);
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}
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return $html;
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}
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/**
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@@ -142,7 +141,7 @@ class Truncator {
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public static function htmlToDomDocument($html)
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{
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if (!$html) {
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$html = '<p></p>';
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$html = '';
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}
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// Transform multibyte entities which otherwise display incorrectly.
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@@ -154,7 +153,7 @@ class Truncator {
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// Instantiate new DOMDocument object, and then load in UTF-8 HTML.
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$dom = new DOMDocument();
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$dom->encoding = 'UTF-8';
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$dom->loadHTML($html);
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$dom->loadHTML("<div>$html</div>");
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return $dom;
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}
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@@ -187,6 +186,27 @@ class Truncator {
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}
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}
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/**
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* Clean extra code
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*
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* @param DOMDocument $doc
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* @param $container
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* @return string
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*/
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private static function getCleanedHTML(DOMDocument $doc, $container)
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{
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while ($doc->firstChild) {
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$doc->removeChild($doc->firstChild);
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}
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while ($container->firstChild ) {
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$doc->appendChild($container->firstChild);
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}
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$html = trim($doc->saveHTML());
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return $html;
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}
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/**
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* Inserts an ellipsis
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* @param DOMNode|DOMElement $domNode Element to insert after.
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@@ -214,21 +234,102 @@ class Truncator {
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}
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/**
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* Returns the innerHTML of a particular DOMElement
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*
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* @param $element
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* @return string
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* @inheritDoc
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*/
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private static function innerHTML($element) {
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$innerHTML = '';
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$children = $element->childNodes;
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foreach ($children as $child)
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{
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$tmp_dom = new DOMDocument();
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$tmp_dom->appendChild($tmp_dom->importNode($child, true));
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$innerHTML.=trim($tmp_dom->saveHTML());
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public function truncate(
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$text,
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$length = 100,
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$ending = '...',
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$exact = false,
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$considerHtml = true
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) {
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if ($considerHtml) {
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// if the plain text is shorter than the maximum length, return the whole text
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if (strlen(preg_replace('/<.*?>/', '', $text)) <= $length) {
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return $text;
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}
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// splits all html-tags to scanable lines
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preg_match_all('/(<.+?>)?([^<>]*)/s', $text, $lines, PREG_SET_ORDER);
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$total_length = strlen($ending);
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$open_tags = array();
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$truncate = '';
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foreach ($lines as $line_matchings) {
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// if there is any html-tag in this line, handle it and add it (uncounted) to the output
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if (!empty($line_matchings[1])) {
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// if it's an "empty element" with or without xhtml-conform closing slash
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if (preg_match('/^<(\s*.+?\/\s*|\s*(img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param)(\s.+?)?)>$/is', $line_matchings[1])) {
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// do nothing
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// if tag is a closing tag
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} else if (preg_match('/^<\s*\/([^\s]+?)\s*>$/s', $line_matchings[1], $tag_matchings)) {
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// delete tag from $open_tags list
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$pos = array_search($tag_matchings[1], $open_tags);
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if ($pos !== false) {
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unset($open_tags[$pos]);
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}
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// if tag is an opening tag
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} else if (preg_match('/^<\s*([^\s>!]+).*?>$/s', $line_matchings[1], $tag_matchings)) {
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// add tag to the beginning of $open_tags list
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array_unshift($open_tags, strtolower($tag_matchings[1]));
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}
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// add html-tag to $truncate'd text
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$truncate .= $line_matchings[1];
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}
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// calculate the length of the plain text part of the line; handle entities as one character
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$content_length = strlen(preg_replace('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', ' ', $line_matchings[2]));
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if ($total_length+$content_length> $length) {
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// the number of characters which are left
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$left = $length - $total_length;
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$entities_length = 0;
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// search for html entities
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if (preg_match_all('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', $line_matchings[2], $entities, PREG_OFFSET_CAPTURE)) {
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// calculate the real length of all entities in the legal range
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foreach ($entities[0] as $entity) {
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if ($entity[1]+1-$entities_length <= $left) {
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$left--;
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$entities_length += strlen($entity[0]);
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} else {
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// no more characters left
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break;
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}
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}
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}
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$truncate .= substr($line_matchings[2], 0, $left+$entities_length);
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// maximum lenght is reached, so get off the loop
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break;
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} else {
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$truncate .= $line_matchings[2];
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$total_length += $content_length;
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}
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// if the maximum length is reached, get off the loop
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if($total_length>= $length) {
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break;
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}
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}
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} else {
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if (strlen($text) <= $length) {
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return $text;
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} else {
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$truncate = substr($text, 0, $length - strlen($ending));
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}
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}
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return $innerHTML;
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// if the words shouldn't be cut in the middle...
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if (!$exact) {
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// ...search the last occurance of a space...
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$spacepos = strrpos($truncate, ' ');
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if (isset($spacepos)) {
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// ...and cut the text in this position
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$truncate = substr($truncate, 0, $spacepos);
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}
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}
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// add the defined ending to the text
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$truncate .= $ending;
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if($considerHtml) {
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// close all unclosed html-tags
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foreach ($open_tags as $tag) {
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$truncate .= '</' . $tag . '>';
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}
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}
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return $truncate;
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}
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}
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