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gyro/core/lib/helpers/converters/html.converter.php

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<?php
/**
 * Converts plain texyt to HTML (encode) or HTML to plain text (decode) 
 * 
 * @author Gerd Riesselmann
 * @ingroup Lib
 */
class ConverterHtml implements IConverter {
        public function encode($value, $params = false) {
                $value = $this->decode($value);
                $value = str_replace("\r", "\n", $value);
                //var_dump(str_replace("\n", '\n', $value));
                $arr_paragraphs = explode("\n", $value);
                $c = count($arr_paragraphs);
                $arr_result = array();
                for($i = 0; $i < $c; $i++) {
                        $tmp = trim($arr_paragraphs[$i]);
                        if (empty($tmp)) {
                                continue;
                        }
                        
                        $arr_result[] = $this->process_paragraph($tmp, $params);
                }
                $ret = implode("\n", $arr_result);
                $ret = String::preg_replace('| +|', ' ', $ret);
                return $ret;
        }
        
        /**
         * Process a single paragraph
         *
         * @param string $text
         * @return string
         */
        protected function process_paragraph($text, $params) {
                return html::tag('p', String::escape($text));
        }
        
        public function decode($value, $params = false) {
                //$value = str_replace("\n", ' ', $value);
                //$value = str_replace("\r", ' ', $value);
                $value = str_replace('</p>', "</p>\n", $value);
                $value = preg_replace('@<br.*?>@', "\n", $value);
                $value = String::unescape($value);
                return strip_tags($value);              
        }       
} 

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