@ 2014-07-22T09:19:53Z <?php
function truncate($text, $length = 100, $options = array()) {
$default = array(
'ending' => '...', 'exact' => true, 'html' => false
);
$options = array_merge($default, $options);
extract($options);
if ($html) {
if (mb_strlen(preg_replace('/<.*?>/', '', $text)) <= $length) {
return $text;
}
$totalLength = mb_strlen(strip_tags($ending));
$openTags = array();
$truncate = '';
preg_match_all('/(<\/?([\w+]+)[^>]*>)?([^<>]*)/', $text, $tags, PREG_SET_ORDER);
foreach ($tags as $tag) {
if (!preg_match('/img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param/s', $tag[2])) {
if (preg_match('/<[\w]+[^>]*>/s', $tag[0])) {
array_unshift($openTags, $tag[2]);
} else if (preg_match('/<\/([\w]+)[^>]*>/s', $tag[0], $closeTag)) {
$pos = array_search($closeTag[1], $openTags);
if ($pos !== false) {
array_splice($openTags, $pos, 1);
}
}
}
$truncate .= $tag[1];
$contentLength = mb_strlen(preg_replace('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|&#x[0-9a-f]{1,6};/i', ' ', $tag[3]));
if ($contentLength + $totalLength > $length) {
$left = $length - $totalLength;
$entitiesLength = 0;
if (preg_match_all('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|&#x[0-9a-f]{1,6};/i', $tag[3], $entities, PREG_OFFSET_CAPTURE)) {
foreach ($entities[0] as $entity) {
if ($entity[1] + 1 - $entitiesLength <= $left) {
$left--;
$entitiesLength += mb_strlen($entity[0]);
} else {
break;
}
}
}
$truncate .= mb_substr($tag[3], 0 , $left + $entitiesLength);
break;
} else {
$truncate .= $tag[3];
$totalLength += $contentLength;
}
if ($totalLength >= $length) {
break;
}
}
} else {
if (mb_strlen($text) <= $length) {
return $text;
} else {
$truncate = mb_substr($text, 0, $length - mb_strlen($ending));
}
}
if (!$exact) {
$spacepos = mb_strrpos($truncate, ' ');
if (isset($spacepos)) {
if ($html) {
$bits = mb_substr($truncate, $spacepos);
preg_match_all('/<\/([a-z]+)>/', $bits, $droppedTags, PREG_SET_ORDER);
if (!empty($droppedTags)) {
foreach ($droppedTags as $closingTag) {
if (!in_array($closingTag[1], $openTags)) {
array_unshift($openTags, $closingTag[1]);
}
}
}
}
$truncate = mb_substr($truncate, 0, $spacepos);
}
}
$truncate .= $ending;
if ($html) {
foreach ($openTags as $tag) {
$truncate .= '</'.$tag.'>';
}
}
return $truncate;
}
print truncate(
'Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. <strong>Stet clita kasd gubergren</strong>',
236,
array('html' => true, 'ending' => ''));
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Output for git.master , git.master_jit , rfc.property-hooks Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. <strong>Stet clita kasd gubergr</strong> This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.
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39.62 ms | 402 KiB | 8 Q