249 lines
8.8 KiB
PHP
249 lines
8.8 KiB
PHP
<?php
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/**
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* @file src/Content/Smilies.php
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* @brief This file contains the Smilies class which contains functions to handle smiles
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*
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* @todo Use the shortcodes from here:
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* https://github.com/iamcal/emoji-data/blob/master/emoji_pretty.json?raw=true
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* https://raw.githubusercontent.com/emojione/emojione/master/extras/alpha-codes/eac.json?raw=true
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* https://github.com/johannhof/emoji-helper/blob/master/data/emoji.json?raw=true
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*
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* Have also a look here:
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* https://www.webpagefx.com/tools/emoji-cheat-sheet/
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*/
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namespace Friendica\Content;
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use Friendica\App;
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use Friendica\Core\Config;
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use Friendica\Core\PConfig;
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use Friendica\Core\System;
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/**
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* This class contains functions to handle smiles
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*/
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class Smilies
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{
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/**
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* @brief Replaces/adds the emoticon list
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*
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* This function should be used whenever emoticons are added
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*
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* @param array $b Array of emoticons
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* @param string $smiley The text smilie
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* @param string $representation The replacement
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*
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* @return void
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*/
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public static function add(&$b, $smiley, $representation)
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{
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$found = array_search($smiley, $b['texts']);
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if (!is_int($found)) {
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$b['texts'][] = $smiley;
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$b['icons'][] = $representation;
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} else {
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$b['icons'][$found] = $representation;
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}
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}
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/**
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* @brief Function to list all smilies
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*
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* Get an array of all smilies, both internal and from addons.
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*
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* @return array
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* 'texts' => smilie shortcut
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* 'icons' => icon in html
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*
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* @hook smilie ('texts' => smilies texts array, 'icons' => smilies html array)
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*/
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public static function getList()
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{
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$texts = array(
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'<3',
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'</3',
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'<\\3',
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':-)',
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';-)',
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':-(',
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':-P',
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':-p',
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':-"',
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':-"',
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':-x',
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':-X',
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':-D',
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'8-|',
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'8-O',
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':-O',
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'\\o/',
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'o.O',
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'O.o',
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'o_O',
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'O_o',
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":'(",
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":-!",
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":-/",
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":-[",
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"8-)",
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':beer',
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':homebrew',
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':coffee',
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':facepalm',
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':like',
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':dislike',
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'~friendica',
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'red#',
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'red#matrix'
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);
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$icons = array(
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-heart.gif" alt="<3" title="<3" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-brokenheart.gif" alt="</3" title="</3" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-brokenheart.gif" alt="<\\3" title="<\\3" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-smile.gif" alt=":-)" title=":-)" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-wink.gif" alt=";-)" title=";-)" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-frown.gif" alt=":-(" title=":-(" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-tongue-out.gif" alt=":-P" title=":-P" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-tongue-out.gif" alt=":-p" title=":-P" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-kiss.gif" alt=":-\" title=":-\" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-kiss.gif" alt=":-\" title=":-\" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-kiss.gif" alt=":-x" title=":-x" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-kiss.gif" alt=":-X" title=":-X" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-laughing.gif" alt=":-D" title=":-D" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-surprised.gif" alt="8-|" title="8-|" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-surprised.gif" alt="8-O" title="8-O" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-surprised.gif" alt=":-O" title="8-O" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-thumbsup.gif" alt="\\o/" title="\\o/" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-Oo.gif" alt="o.O" title="o.O" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-Oo.gif" alt="O.o" title="O.o" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-Oo.gif" alt="o_O" title="o_O" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-Oo.gif" alt="O_o" title="O_o" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-cry.gif" alt=":\'(" title=":\'("/>',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-foot-in-mouth.gif" alt=":-!" title=":-!" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-undecided.gif" alt=":-/" title=":-/" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-embarassed.gif" alt=":-[" title=":-[" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-cool.gif" alt="8-)" title="8-)" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/beer_mug.gif" alt=":beer" title=":beer" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/beer_mug.gif" alt=":homebrew" title=":homebrew" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/coffee.gif" alt=":coffee" title=":coffee" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/smiley-facepalm.gif" alt=":facepalm" title=":facepalm" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/like.gif" alt=":like" title=":like" />',
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'<img class="smiley" src="' . System::baseUrl() . '/images/dislike.gif" alt=":dislike" title=":dislike" />',
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'<a href="https://friendi.ca">~friendica <img class="smiley" src="' . System::baseUrl() . '/images/friendica-16.png" alt="~friendica" title="~friendica" /></a>',
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'<a href="http://redmatrix.me/">red<img class="smiley" src="' . System::baseUrl() . '/images/rm-16.png" alt="red#" title="red#" />matrix</a>',
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'<a href="http://redmatrix.me/">red<img class="smiley" src="' . System::baseUrl() . '/images/rm-16.png" alt="red#matrix" title="red#matrix" />matrix</a>'
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);
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$params = array('texts' => $texts, 'icons' => $icons);
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call_hooks('smilie', $params);
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return $params;
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}
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/**
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* @brief Replaces text emoticons with graphical images
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*
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* It is expected that this function will be called using HTML text.
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* We will escape text between HTML pre and code blocks from being
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* processed.
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*
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* At a higher level, the bbcode [nosmile] tag can be used to prevent this
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* function from being executed by the prepare_text() routine when preparing
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* bbcode source for HTML display
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*
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* @param string $s Text that should be replaced
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* @param boolean $sample optional, default false
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* @param boolean $no_images Only replace emoticons without images
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*
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* @return string HML Output of the Smilie
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*/
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public static function replace($s, $sample = false, $no_images = false)
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{
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if (intval(Config::get('system', 'no_smilies'))
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|| (local_user() && intval(PConfig::get(local_user(), 'system', 'no_smilies')))
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) {
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return $s;
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}
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$s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism', 'self::encode', $s);
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$s = preg_replace_callback('/<code>(.*?)<\/code>/ism', 'self::encode', $s);
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$params = self::getList();
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if ($no_images) {
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$cleaned = array('texts' => array(), 'icons' => array());
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$icons = $params['icons'];
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foreach ($icons as $key => $icon) {
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if (!strstr($icon, '<img ')) {
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$cleaned['texts'][] = $params['texts'][$key];
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$cleaned['icons'][] = $params['icons'][$key];
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}
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}
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$params = $cleaned;
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}
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$params['string'] = $s;
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if ($sample) {
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$s = '<div class="smiley-sample">';
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for ($x = 0; $x < count($params['texts']); $x ++) {
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$s .= '<dl><dt>' . $params['texts'][$x] . '</dt><dd>' . $params['icons'][$x] . '</dd></dl>';
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}
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} else {
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$params['string'] = preg_replace_callback('/<(3+)/', 'self::pregHeart', $params['string']);
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$s = str_replace($params['texts'], $params['icons'], $params['string']);
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}
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$s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism', 'self::decode', $s);
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$s = preg_replace_callback('/<code>(.*?)<\/code>/ism', 'self::decode', $s);
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return $s;
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}
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/**
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* @param string $m string
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*
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* @return string base64 encoded string
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*/
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private static function encode($m)
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{
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return(str_replace($m[1], base64url_encode($m[1]), $m[0]));
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}
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/**
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* @param string $m string
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*
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* @return string base64 decoded string
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*/
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private static function decode($m)
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{
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return(str_replace($m[1], base64url_decode($m[1]), $m[0]));
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}
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/**
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* @brief expand <3333 to the correct number of hearts
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*
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* @param string $x string
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*
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* @return string HTML Output
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*
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* @todo: Rework because it doesn't work correctly
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*/
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private static function pregHeart($x)
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{
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if (strlen($x[1]) == 1) {
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return $x[0];
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}
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$t = '';
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for ($cnt = 0; $cnt < strlen($x[1]); $cnt ++) {
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$t .= '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-heart.gif" alt="<3" />';
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}
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$r = str_replace($x[0], $t, $x[0]);
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return $r;
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}
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}
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