예제 #1
0
 /**
  * Filter: removes unnecessary whitespace and shortens value to control's max length.
  * @return string
  */
 public function sanitize($value)
 {
     if ($this->control->maxlength && Strings::length($value) > $this->control->maxlength) {
         $value = Strings::substring($value, 0, $this->control->maxlength);
     }
     return Strings::trim(strtr($value, "\r\n", '  '));
 }
예제 #2
0
파일: Files.php 프로젝트: ondrakoupil/tools
 /**
  * Vrátí cestu k souboru, jako kdyby byl umístěn do jiného adresáře i s cestou k sobě.
  * @param string $file Jméno souboru
  * @param string $from Cesta k němu
  * @param string $to Adresář, kam ho chceš přesunout
  * @return string
  * @throws \InvalidArgumentException
  */
 static function rebasedFilename($file, $from, $to)
 {
     if (!Strings::startsWith($file, $from)) {
         throw new \InvalidArgumentException("File {$file} is not in directory {$from}");
     }
     $secondPart = Strings::substring($file, Strings::length($from));
     if ($secondPart[0] == "/") {
         $secondPart = substr($secondPart, 1);
     }
     $newPath = $to . "/" . $secondPart;
     return $newPath;
 }
예제 #3
0
파일: Html.php 프로젝트: ondrakoupil/tools
 /**
  * Zkracování řetězce na požadovanou délku při zachování všech HTML tagů.
  * Nenahrazuje konce řádků za <br />.
  * @param string $text Řetězec ke zkrácení
  * @param int $length Požadovaná délka výsledného řetězce (včetně ukončení)
  * @param string $ending Ukončení, které se přilepí na konec zkráceného řetězce. TRUE = použít &amp;hellip;, tj. trojtečku.
  * @param bool $exact False (default) ořízne s ohledem na slova. True ořízne přesně.
  * @param bool $considerHtml TRUE = zachovat správným způsobem HTML tagy.
  * @return string Zkrácený řetězec.
  */
 static function shortenHtml($text, $length = 100, $ending = true, $exact = false, $considerHtml = true)
 {
     if ($ending === true) {
         $ending = "&hellip;";
         $length += 7;
         //Jde o jediný znak, ne o 8 znaků
     }
     if ($considerHtml) {
         // if the plain text is shorter than the maximum length, return the whole text
         if (Strings::length(preg_replace('/<.*?>/', '', $text)) <= $length) {
             return $text;
         }
         // splits all html-tags to scanable lines
         preg_match_all('/(<.+?>)?([^<>]*)/s', $text, $lines, PREG_SET_ORDER);
         $total_length = Strings::length($ending);
         $open_tags = array();
         $truncate = '';
         foreach ($lines as $line_matchings) {
             // if there is any html-tag in this line, handle it and add it (uncounted) to the output
             if (!empty($line_matchings[1])) {
                 // if it's an "empty element" with or without xhtml-conform closing slash
                 if (preg_match('/^<(\\s*.+?\\/\\s*|\\s*(img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param)(\\s.+?)?)>$/is', $line_matchings[1])) {
                     // do nothing
                     // if tag is a closing tag
                 } else {
                     if (preg_match('/^<\\s*\\/([^\\s]+?)\\s*>$/s', $line_matchings[1], $tag_matchings)) {
                         // delete tag from $open_tags list
                         $pos = array_search($tag_matchings[1], $open_tags);
                         if ($pos !== false) {
                             unset($open_tags[$pos]);
                         }
                         // if tag is an opening tag
                     } else {
                         if (preg_match('/^<\\s*([^\\s>!]+).*?>$/s', $line_matchings[1], $tag_matchings)) {
                             //<? //Toto je kvůli mému blbému editoru, který si myslí, že je ukončeno PHP
                             // add tag to the beginning of $open_tags list
                             array_unshift($open_tags, Strings::lower($tag_matchings[1]));
                         }
                     }
                 }
                 // add html-tag to $truncate'd text
                 $truncate .= $line_matchings[1];
             }
             // calculate the length of the plain text part of the line; handle entities as one character
             $content_length = Strings::length(preg_replace('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', ' ', $line_matchings[2]));
             if ($total_length + $content_length > $length) {
                 // the number of characters which are left
                 $left = $length - $total_length;
                 $entities_length = 0;
                 // search for html entities
                 if (preg_match_all('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', $line_matchings[2], $entities, PREG_OFFSET_CAPTURE)) {
                     // calculate the real length of all entities in the legal range
                     foreach ($entities[0] as $entity) {
                         if ($entity[1] + 1 - $entities_length <= $left) {
                             $left--;
                             $entities_length += Strings::length($entity[0]);
                         } else {
                             // no more characters left
                             break;
                         }
                     }
                 }
                 $truncate .= Strings::substring($line_matchings[2], 0, $left + $entities_length);
                 // maximum lenght is reached, so get off the loop
                 break;
             } else {
                 $truncate .= $line_matchings[2];
                 $total_length += $content_length;
             }
             // if the maximum length is reached, get off the loop
             if ($total_length >= $length) {
                 break;
             }
         }
     } else {
         if (Strings::length($text) <= $length) {
             return $text;
         } else {
             $truncate = Strings::substring($text, 0, $length - Strings::length($ending));
         }
     }
     // if the words shouldn't be cut in the middle...
     if (!$exact) {
         // ...search the last occurance of a space...
         $spacepos = strrpos($truncate, ' ');
         if (isset($spacepos)) {
             // ...and cut the text in this position
             $truncate = substr($truncate, 0, $spacepos);
         }
     }
     // add the defined ending to the text
     $truncate .= $ending;
     if ($considerHtml) {
         // close all unclosed html-tags
         foreach ($open_tags as $tag) {
             $truncate .= '</' . $tag . '>';
         }
     }
     return $truncate;
 }