mirror of
https://github.com/the-djmaze/snappymail.git
synced 2025-01-10 16:58:07 +08:00
793 lines
20 KiB
PHP
793 lines
20 KiB
PHP
<?php
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namespace MailSo\Base;
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/**
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* @category MailSo
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* @package Base
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*/
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class HtmlUtils
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{
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/**
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* @access private
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*/
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private function __construct()
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{
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}
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/**
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* @param string $sText
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* @param string $sHtmlAttrs = ''
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* @param string $sBodyAttrs = ''
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*
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* @return \DOMDocument|bool
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*/
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public static function GetDomFromText($sText, $sHtmlAttrs = '', $sBodyAttrs = '')
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{
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static $bOnce = true;
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if ($bOnce)
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{
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$bOnce = false;
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if (\MailSo\Base\Utils::FunctionExistsAndEnabled('libxml_use_internal_errors'))
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{
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@\libxml_use_internal_errors(true);
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}
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}
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$oDom = new \DOMDocument('1.0', 'utf-8');
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$oDom->encoding = 'UTF-8';
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@$oDom->loadHTML(
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'<'.'?xml version="1.0" encoding="utf-8"?'.'>'.
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'<html '.$sHtmlAttrs.'><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body '.$sBodyAttrs.'>'.$sText.'</body></html>'
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);
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return $oDom;
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}
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/**
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* @param string $sHtml
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* @param string $sHtmlAttrs = '
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* @param string $sBodyAttrs = ''
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*
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* @return string
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*/
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public static function ClearBodyAndHtmlTag($sHtml, &$sHtmlAttrs = '', &$sBodyAttrs = '')
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{
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$aMatch = array();
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if (preg_match('/<html([^>]+)>/im', $sHtml, $aMatch) && !empty($aMatch[1]))
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{
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$sHtmlAttrs = $aMatch[1];
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}
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$aMatch = array();
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if (preg_match('/<body([^>]+)>/im', $sHtml, $aMatch) && !empty($aMatch[1]))
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{
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$sBodyAttrs = $aMatch[1];
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}
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$sHtml = \preg_replace('/<body([^>]*)>/im', '', $sHtml);
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$sHtml = \preg_replace('/<\/body>/im', '', $sHtml);
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$sHtml = \preg_replace('/<html([^>]*)>/im', '', $sHtml);
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$sHtml = \preg_replace('/<\/html>/im', '', $sHtml);
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return $sHtml;
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}
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/**
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* @param string $sHtml
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*
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* @return string
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*/
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public static function ClearTags($sHtml)
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{
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$aRemoveTags = array(
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'head', 'link', 'base', 'meta', 'title', 'style', 'script', 'bgsound',
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'object', 'embed', 'applet', 'mocha', 'iframe', 'frame', 'frameset'
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);
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$aToRemove = array(
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'/<!doctype[^>]*>/msi',
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'/<\?xml [^>]*\?>/msi'
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);
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foreach ($aRemoveTags as $sTag)
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{
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$aToRemove[] = '\'<'.$sTag.'[^>]*>.*?</[\s]*'.$sTag.'>\'msi';
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$aToRemove[] = '\'<'.$sTag.'[^>]*>\'msi';
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$aToRemove[] = '\'</[\s]*'.$sTag.'[^>]*>\'msi';
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}
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return \preg_replace($aToRemove, '', $sHtml);
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}
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/**
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* @param string $sHtml
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*
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* @return string
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*/
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public static function ClearOn($sHtml)
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{
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$aToReplace = array(
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'/on(Blur)/si',
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'/on(Change)/si',
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'/on(Click)/si',
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'/on(DblClick)/si',
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'/on(Error)/si',
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'/on(Focus)/si',
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'/on(KeyDown)/si',
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'/on(KeyPress)/si',
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'/on(KeyUp)/si',
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'/on(Load)/si',
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'/on(MouseDown)/si',
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'/on(MouseEnter)/si',
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'/on(MouseLeave)/si',
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'/on(MouseMove)/si',
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'/on(MouseOut)/si',
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'/on(MouseOver)/si',
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'/on(MouseUp)/si',
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'/on(Move)/si',
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'/on(Resize)/si',
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'/on(ResizeEnd)/si',
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'/on(ResizeStart)/si',
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'/on(Scroll)/si',
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'/on(Select)/si',
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'/on(Submit)/si',
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'/on(Unload)/si'
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);
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return \preg_replace($aToReplace, 'оn\\1', $sHtml);
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}
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/**
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*
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* @param string $sStyle
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* @param \DOMElement $oElement
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* @param bool $bHasExternals
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* @param array $aFoundCIDs
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* @param array $aContentLocationUrls
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* @param array $aFoundedContentLocationUrls
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*
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* @return string
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*/
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public static function ClearStyle($sStyle, $oElement, &$bHasExternals, &$aFoundCIDs, $aContentLocationUrls, &$aFoundedContentLocationUrls)
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{
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$sStyle = \trim($sStyle);
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$aOutStyles = array();
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$aStyles = \explode(';', $sStyle);
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$aMatch = array();
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foreach ($aStyles as $sStyleItem)
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{
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$aStyleValue = \explode(':', $sStyleItem, 2);
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$sName = \trim(\strtolower($aStyleValue[0]));
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$sValue = isset($aStyleValue[1]) ? \trim($aStyleValue[1]) : '';
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if ('position' === $sName && 'fixed' === \strtolower($sValue))
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{
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$sValue = 'absolute';
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}
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if (0 === \strlen($sName) || 0 === \strlen($sValue))
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{
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continue;
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}
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$sStyleItem = $sName.': '.$sValue;
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$aStyleValue = array($sName, $sValue);
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/*if (\in_array($sName, array('position', 'left', 'right', 'top', 'bottom', 'behavior', 'cursor')))
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{
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// skip
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}
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else */if (\in_array($sName, array('behavior', 'cursor')) ||
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('display' === $sName && 'none' === \strtolower($sValue)) ||
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\preg_match('/expression/i', $sValue) ||
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('text-indent' === $sName && '-' === \substr(trim($sValue), 0, 1))
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)
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{
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// skip
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}
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else if (\in_array($sName, array('background-image', 'background', 'list-style-image', 'content'))
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&& \preg_match('/url[\s]?\(([^)]+)\)/im', $sValue, $aMatch) && !empty($aMatch[1]))
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{
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$sFullUrl = \trim($aMatch[0], '"\' ');
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$sUrl = \trim($aMatch[1], '"\' ');
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$sStyleValue = \trim(\preg_replace('/[\s]+/', ' ', \str_replace($sFullUrl, '', $sValue)));
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$sStyleItem = empty($sStyleValue) ? '' : $sName.': '.$sStyleValue;
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if ('cid:' === \strtolower(\substr($sUrl, 0, 4)))
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{
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if ($oElement)
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{
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$oElement->setAttribute('data-x-style-cid-name',
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'background' === $sName ? 'background-image' : $sName);
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$oElement->setAttribute('data-x-style-cid', \substr($sUrl, 4));
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$aFoundCIDs[] = \substr($sUrl, 4);
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}
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}
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else
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{
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if ($oElement)
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{
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if (\preg_match('/http[s]?:\/\//i', $sUrl))
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{
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$bHasExternals = true;
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if (\in_array($sName, array('background-image', 'list-style-image', 'content')))
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{
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$sStyleItem = '';
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}
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$sTemp = '';
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if ($oElement->hasAttribute('data-x-style-url'))
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{
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$sTemp = \trim($oElement->getAttribute('data-x-style-url'));
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}
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$sTemp = empty($sTemp) ? '' : (';' === \substr($sTemp, -1) ? $sTemp.' ' : $sTemp.'; ');
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$oElement->setAttribute('data-x-style-url', \trim($sTemp.
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('background' === $sName ? 'background-image' : $sName).': '.$sFullUrl, ' ;'));
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}
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else if ('data:image/' !== \strtolower(\substr(\trim($sUrl), 0, 11)))
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{
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$oElement->setAttribute('data-x-broken-style-src', $sFullUrl);
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}
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}
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}
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if (!empty($sStyleItem))
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{
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$aOutStyles[] = $sStyleItem;
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}
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}
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else if ('height' === $sName)
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{
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// $aOutStyles[] = 'min-'.ltrim($sStyleItem);
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$aOutStyles[] = $sStyleItem;
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}
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else
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{
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$aOutStyles[] = $sStyleItem;
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}
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}
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return \implode(';', $aOutStyles);
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}
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/**
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* @param string $sHtml
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* @param bool $bHasExternals = false
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* @param array $aFoundCIDs = array()
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* @param array $aContentLocationUrls = array()
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* @param array $aFoundedContentLocationUrls = array()
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*
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* @return string
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*/
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public static function ClearHtml($sHtml, &$bHasExternals = false, &$aFoundCIDs = array(),
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$aContentLocationUrls = array(), &$aFoundedContentLocationUrls = array())
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{
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$sHtml = null === $sHtml ? '' : (string) $sHtml;
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$sHtml = \trim($sHtml);
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if (0 === \strlen($sHtml))
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{
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return '';
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}
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$bHasExternals = false;
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$sHtml = \MailSo\Base\HtmlUtils::ClearTags($sHtml);
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$sHtml = \MailSo\Base\HtmlUtils::ClearOn($sHtml);
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$sHtmlAttrs = $sBodyAttrs = '';
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$sHtml = \MailSo\Base\HtmlUtils::ClearBodyAndHtmlTag($sHtml, $sHtmlAttrs, $sBodyAttrs);
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// Dom Part
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$oDom = \MailSo\Base\HtmlUtils::GetDomFromText($sHtml, $sHtmlAttrs, $sBodyAttrs);
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unset($sHtml);
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if ($oDom)
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{
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$aNodes = $oDom->getElementsByTagName('*');
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foreach ($aNodes as /* @var $oElement \DOMElement */ $oElement)
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{
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$sTagNameLower = \strtolower($oElement->tagName);
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// convert body attributes to styles
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if ('body' === $sTagNameLower)
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{
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$aMargins = array(
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$oElement->hasAttribute('topmargin')
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? \trim($oElement->getAttribute('topmargin')) : '',
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$oElement->hasAttribute('leftmargin')
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? \trim($oElement->getAttribute('leftmargin')) : '',
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$oElement->hasAttribute('bottommargin')
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? \trim($oElement->getAttribute('bottommargin')) : '',
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$oElement->hasAttribute('rightmargin')
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? \trim($oElement->getAttribute('rightmargin')) : '',
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);
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$sText = $oElement->hasAttribute('text') ? \trim($oElement->getAttribute('text')) : '';
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$aStyles = array();
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if (!empty($sText))
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{
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$aStyles[] = 'color: '.$sText;
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$oElement->removeAttribute('text');
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}
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foreach ($aMargins as $iIndex => $sItem)
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{
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if ('' !== $sItem)
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{
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switch ($iIndex) {
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case 0:
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$aStyles[] = 'margin-top: '.((int) $sItem).'px';
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$oElement->removeAttribute('topmargin');
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break;
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case 1:
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$aStyles[] = 'margin-left: '.((int) $sItem).'px';
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$oElement->removeAttribute('leftmargin');
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break;
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case 2:
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$aStyles[] = 'margin-bottom: '.((int) $sItem).'px';
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$oElement->removeAttribute('bottommargin');
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break;
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case 3:
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$aStyles[] = 'margin-right: '.((int) $sItem).'px';
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$oElement->removeAttribute('rightmargin');
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break;
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}
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}
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}
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$sStyles = $oElement->hasAttribute('style') ? $oElement->getAttribute('style') : '';
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$oElement->setAttribute('style', (empty($sStyles) ? '' : $sStyles.'; ').\implode('; ', $aStyles));
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}
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if ('iframe' === $sTagNameLower || 'frame' === $sTagNameLower)
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{
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$oElement->setAttribute('src', 'javascript:false');
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}
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if (\in_array($sTagNameLower, array('a', 'form', 'area')))
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{
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$oElement->setAttribute('target', '_blank');
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}
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if (\in_array($sTagNameLower, array('a', 'form', 'area', 'input', 'button', 'textarea')))
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{
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$oElement->setAttribute('tabindex', '-1');
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}
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// if ('blockquote' === $sTagNameLower)
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// {
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// $oElement->removeAttribute('style');
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// }
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@$oElement->removeAttribute('id');
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@$oElement->removeAttribute('class');
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@$oElement->removeAttribute('contenteditable');
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@$oElement->removeAttribute('designmode');
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@$oElement->removeAttribute('data-bind');
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@$oElement->removeAttribute('xmlns');
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if ($oElement->hasAttribute('src'))
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{
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$sSrc = \trim($oElement->getAttribute('src'));
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$oElement->removeAttribute('src');
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if (\in_array($sSrc, $aContentLocationUrls))
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{
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$oElement->setAttribute('data-x-src-location', $sSrc);
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$aFoundedContentLocationUrls[] = $sSrc;
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}
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else if ('cid:' === \strtolower(\substr($sSrc, 0, 4)))
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{
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$oElement->setAttribute('data-x-src-cid', \substr($sSrc, 4));
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$aFoundCIDs[] = \substr($sSrc, 4);
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}
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else
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{
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if (\preg_match('/http[s]?:\/\//i', $sSrc))
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{
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$oElement->setAttribute('data-x-src', $sSrc);
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$bHasExternals = true;
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}
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else if ('data:image/' === \strtolower(\substr(\trim($sSrc), 0, 11)))
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{
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$oElement->setAttribute('src', $sSrc);
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}
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else
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{
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$oElement->setAttribute('data-x-broken-src', $sSrc);
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}
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}
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}
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$sBackground = $oElement->hasAttribute('background')
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? \trim($oElement->getAttribute('background')) : '';
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$sBackgroundColor = $oElement->hasAttribute('bgcolor')
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? \trim($oElement->getAttribute('bgcolor')) : '';
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if (!empty($sBackground) || !empty($sBackgroundColor))
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{
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$aStyles = array();
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$sStyles = $oElement->hasAttribute('style')
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? $oElement->getAttribute('style') : '';
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if (!empty($sBackground))
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{
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$aStyles[] = 'background-image: url(\''.$sBackground.'\')';
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$oElement->removeAttribute('background');
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}
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if (!empty($sBackgroundColor))
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{
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$aStyles[] = 'background-color: '.$sBackgroundColor;
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$oElement->removeAttribute('bgcolor');
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}
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$oElement->setAttribute('style', (empty($sStyles) ? '' : $sStyles.'; ').\implode('; ', $aStyles));
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}
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if ($oElement->hasAttribute('style'))
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{
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$oElement->setAttribute('style',
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\MailSo\Base\HtmlUtils::ClearStyle($oElement->getAttribute('style'), $oElement, $bHasExternals,
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$aFoundCIDs, $aContentLocationUrls, $aFoundedContentLocationUrls));
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}
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}
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$sResult = $oDom->saveHTML();
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}
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unset($oDom);
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$sResult = \MailSo\Base\HtmlUtils::ClearTags($sResult);
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$sHtmlAttrs = $sBodyAttrs = '';
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$sResult = \MailSo\Base\HtmlUtils::ClearBodyAndHtmlTag($sResult, $sHtmlAttrs, $sBodyAttrs);
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$sResult = '<div data-x-div-type="body" '.$sBodyAttrs.'>'.$sResult.'</div>';
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$sResult = '<div data-x-div-type="html" '.$sHtmlAttrs.'>'.$sResult.'</div>';
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return \trim($sResult);
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}
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/**
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* @param string $sHtml
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* @param array $aFoundCids = array()
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* @param array|null $mFoundDataURL = null
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* @param array $aFoundedContentLocationUrls = array()
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*
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* @return string
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*/
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public static function BuildHtml($sHtml, &$aFoundCids = array(), &$mFoundDataURL = null, &$aFoundedContentLocationUrls = array())
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{
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$bRtl = \MailSo\Base\Utils::IsRTL($sHtml);
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$oDom = \MailSo\Base\HtmlUtils::GetDomFromText($sHtml);
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unset($sHtml);
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$aNodes = $oDom->getElementsByTagName('*');
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foreach ($aNodes as /* @var $oElement \DOMElement */ $oElement)
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{
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$sTagNameLower = \strtolower($oElement->tagName);
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if ($oElement->hasAttribute('data-x-src-cid'))
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{
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$sCid = $oElement->getAttribute('data-x-src-cid');
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$oElement->removeAttribute('data-x-src-cid');
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if (!empty($sCid))
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{
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$aFoundCids[] = $sCid;
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@$oElement->removeAttribute('src');
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$oElement->setAttribute('src', 'cid:'.$sCid);
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}
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}
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if ($oElement->hasAttribute('data-x-src-location'))
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{
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$sSrc = $oElement->getAttribute('data-x-src-location');
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$oElement->removeAttribute('data-x-src-location');
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if (!empty($sSrc))
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{
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$aFoundedContentLocationUrls[] = $sSrc;
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@$oElement->removeAttribute('src');
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$oElement->setAttribute('src', $sSrc);
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}
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}
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if ($oElement->hasAttribute('data-x-broken-src'))
|
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{
|
||
$oElement->setAttribute('src', $oElement->getAttribute('data-x-broken-src'));
|
||
$oElement->removeAttribute('data-x-broken-src');
|
||
}
|
||
|
||
if ($oElement->hasAttribute('data-x-src'))
|
||
{
|
||
$oElement->setAttribute('src', $oElement->getAttribute('data-x-src'));
|
||
$oElement->removeAttribute('data-x-src');
|
||
}
|
||
|
||
if ($oElement->hasAttribute('data-x-href'))
|
||
{
|
||
$oElement->setAttribute('href', $oElement->getAttribute('data-x-href'));
|
||
$oElement->removeAttribute('data-x-href');
|
||
}
|
||
|
||
if ($oElement->hasAttribute('data-x-style-cid-name') && $oElement->hasAttribute('data-x-style-cid'))
|
||
{
|
||
$sCidName = $oElement->getAttribute('data-x-style-cid-name');
|
||
$sCid = $oElement->getAttribute('data-x-style-cid');
|
||
|
||
$oElement->removeAttribute('data-x-style-cid-name');
|
||
$oElement->removeAttribute('data-x-style-cid');
|
||
if (!empty($sCidName) && !empty($sCid) && \in_array($sCidName,
|
||
array('background-image', 'background', 'list-style-image', 'content')))
|
||
{
|
||
$sStyles = '';
|
||
if ($oElement->hasAttribute('style'))
|
||
{
|
||
$sStyles = \trim(\trim($oElement->getAttribute('style')), ';');
|
||
}
|
||
|
||
$sBack = $sCidName.': url(cid:'.$sCid.')';
|
||
$sStyles = \preg_replace('/'.\preg_quote($sCidName, '/').':\s?[^;]+/i', $sBack, $sStyles);
|
||
if (false === \strpos($sStyles, $sBack))
|
||
{
|
||
$sStyles .= empty($sStyles) ? '': '; ';
|
||
$sStyles .= $sBack;
|
||
}
|
||
|
||
$oElement->setAttribute('style', $sStyles);
|
||
$aFoundCids[] = $sCid;
|
||
}
|
||
}
|
||
|
||
if ($oElement->hasAttribute('data-x-div-type'))
|
||
{
|
||
$oElement->removeAttribute('data-x-div-type');
|
||
}
|
||
|
||
if ($oElement->hasAttribute('data-x-style-url'))
|
||
{
|
||
$sAddStyles = $oElement->getAttribute('data-x-style-url');
|
||
$oElement->removeAttribute('data-x-style-url');
|
||
|
||
if (!empty($sAddStyles))
|
||
{
|
||
$sStyles = '';
|
||
if ($oElement->hasAttribute('style'))
|
||
{
|
||
$sStyles = \trim(\trim($oElement->getAttribute('style')), ';');
|
||
}
|
||
|
||
$oElement->setAttribute('style', (empty($sStyles) ? '' : $sStyles.'; ').$sAddStyles);
|
||
}
|
||
}
|
||
|
||
if ('img' === $sTagNameLower && \is_array($mFoundDataURL))
|
||
{
|
||
$sSrc = $oElement->getAttribute('src');
|
||
if ('data:image/' === \strtolower(\substr($sSrc, 0, 11)))
|
||
{
|
||
$sHash = \md5($sSrc);
|
||
$mFoundDataURL[$sHash] = $sSrc;
|
||
|
||
$oElement->setAttribute('src', 'cid:'.$sHash);
|
||
}
|
||
}
|
||
}
|
||
|
||
$sResult = $oDom->saveHTML();
|
||
unset($oDom);
|
||
|
||
$sResult = \MailSo\Base\HtmlUtils::ClearTags($sResult);
|
||
$sResult = \MailSo\Base\HtmlUtils::ClearBodyAndHtmlTag($sResult);
|
||
|
||
return '<!DOCTYPE html><html'.($bRtl ? ' dir="rtl"' : '').'><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><head>'.
|
||
'<body>'.\trim($sResult).'</body></html>';
|
||
}
|
||
|
||
/**
|
||
* @param string $sText
|
||
* @param bool $bLinksWithTargetBlank = true
|
||
*
|
||
* @return string
|
||
*/
|
||
public static function ConvertPlainToHtml($sText, $bLinksWithTargetBlank = true)
|
||
{
|
||
$sText = \trim($sText);
|
||
if (0 === \strlen($sText))
|
||
{
|
||
return '';
|
||
}
|
||
|
||
$sText = \MailSo\Base\LinkFinder::NewInstance()
|
||
->Text($sText)
|
||
->UseDefaultWrappers($bLinksWithTargetBlank)
|
||
// ->CompileText(true, false);
|
||
->CompileText(true, true);
|
||
|
||
$sText = \str_replace("\r", '', $sText);
|
||
|
||
$aText = \explode("\n", $sText);
|
||
unset($sText);
|
||
|
||
$bIn = false;
|
||
$bDo = true;
|
||
do
|
||
{
|
||
$bDo = false;
|
||
$aNextText = array();
|
||
foreach ($aText as $sTextLine)
|
||
{
|
||
$bStart = 0 === \strpos(\ltrim($sTextLine), '>');
|
||
if ($bStart && !$bIn)
|
||
{
|
||
$bDo = true;
|
||
$bIn = true;
|
||
$aNextText[] = '<blockquote>';
|
||
$aNextText[] = \substr(\ltrim($sTextLine), 4);
|
||
}
|
||
else if (!$bStart && $bIn)
|
||
{
|
||
$bIn = false;
|
||
$aNextText[] = '</blockquote>';
|
||
$aNextText[] = $sTextLine;
|
||
}
|
||
else if ($bStart && $bIn)
|
||
{
|
||
$aNextText[] = \substr(\ltrim($sTextLine), 4);
|
||
}
|
||
else
|
||
{
|
||
$aNextText[] = $sTextLine;
|
||
}
|
||
}
|
||
|
||
if ($bIn)
|
||
{
|
||
$bIn = false;
|
||
$aNextText[] = '</blockquote>';
|
||
}
|
||
|
||
$aText = $aNextText;
|
||
}
|
||
while ($bDo);
|
||
|
||
$sText = \join("\n", $aText);
|
||
unset($aText);
|
||
|
||
$sText = \preg_replace('/[\n][ ]+/', "\n", $sText);
|
||
// $sText = \preg_replace('/[\s]+([\s])/', '\\1', $sText);
|
||
|
||
$sText = \preg_replace('/<blockquote>[\s]+/i', '<blockquote>', $sText);
|
||
$sText = \preg_replace('/[\s]+<\/blockquote>/i', '</blockquote>', $sText);
|
||
|
||
$sText = \preg_replace('/<\/blockquote>([\n]{0,2})<blockquote>/i', '\\1', $sText);
|
||
$sText = \preg_replace('/[\n]{3,}/', "\n\n", $sText);
|
||
|
||
$sText = \strtr($sText, array(
|
||
"\n" => "<br />",
|
||
"\t" => ' ',
|
||
' ' => ' '
|
||
));
|
||
|
||
return $sText;
|
||
}
|
||
|
||
/**
|
||
* @param string $sText
|
||
*
|
||
* @return string
|
||
*/
|
||
public static function ConvertHtmlToPlain($sText)
|
||
{
|
||
$sText = trim(stripslashes($sText));
|
||
$sText = preg_replace('/[\s]+/', ' ', $sText);
|
||
$sText = preg_replace(array(
|
||
"/\r/",
|
||
"/[\n\t]+/",
|
||
'/<script[^>]*>.*?<\/script>/i',
|
||
'/<style[^>]*>.*?<\/style>/i',
|
||
'/<title[^>]*>.*?<\/title>/i',
|
||
'/<h[123][^>]*>(.+?)<\/h[123]>/i',
|
||
'/<h[456][^>]*>(.+?)<\/h[456]>/i',
|
||
'/<p[^>]*>/i',
|
||
'/<br[^>]*>/i',
|
||
'/<b[^>]*>(.+?)<\/b>/i',
|
||
'/<i[^>]*>(.+?)<\/i>/i',
|
||
'/(<ul[^>]*>|<\/ul>)/i',
|
||
'/(<ol[^>]*>|<\/ol>)/i',
|
||
'/<li[^>]*>/i',
|
||
'/<a[^>]*href="([^"]+)"[^>]*>(.+?)<\/a>/i',
|
||
'/<hr[^>]*>/i',
|
||
'/(<table[^>]*>|<\/table>)/i',
|
||
'/(<tr[^>]*>|<\/tr>)/i',
|
||
'/<td[^>]*>(.+?)<\/td>/i',
|
||
'/<th[^>]*>(.+?)<\/th>/i',
|
||
'/ /i',
|
||
'/"/i',
|
||
'/>/i',
|
||
'/</i',
|
||
'/&/i',
|
||
'/©/i',
|
||
'/™/i',
|
||
'/“/',
|
||
'/”/',
|
||
'/–/',
|
||
'/’/',
|
||
'/&/',
|
||
'/©/',
|
||
'/™/',
|
||
'/—/',
|
||
'/“/',
|
||
'/”/',
|
||
'/•/',
|
||
'/®/i',
|
||
'/•/i',
|
||
'/&[&;]+;/i',
|
||
'/'/',
|
||
'/ /'
|
||
), array(
|
||
'',
|
||
' ',
|
||
'',
|
||
'',
|
||
'',
|
||
"\n\n\\1\n\n",
|
||
"\n\n\\1\n\n",
|
||
"\n\n\t",
|
||
"\n",
|
||
'\\1',
|
||
'\\1',
|
||
"\n\n",
|
||
"\n\n",
|
||
"\n\t* ",
|
||
'\\2 (\\1)',
|
||
"\n------------------------------------\n",
|
||
"\n",
|
||
"\n",
|
||
"\t\\1\n",
|
||
"\t\\1\n",
|
||
' ',
|
||
'"',
|
||
'>',
|
||
'<',
|
||
'&',
|
||
'(c)',
|
||
'(tm)',
|
||
'"',
|
||
'"',
|
||
'-',
|
||
"'",
|
||
'&',
|
||
'(c)',
|
||
'(tm)',
|
||
'--',
|
||
'"',
|
||
'"',
|
||
'*',
|
||
'(R)',
|
||
'*',
|
||
'',
|
||
'\'',
|
||
''
|
||
), $sText);
|
||
|
||
$sText = str_ireplace('<div>',"\n<div>", $sText);
|
||
$sText = strip_tags($sText, '');
|
||
$sText = preg_replace("/\n\\s+\n/", "\n", $sText);
|
||
$sText = preg_replace("/[\n]{3,}/", "\n\n", $sText);
|
||
|
||
return trim($sText);
|
||
}
|
||
}
|