friendica_2021-01/include/html2bbcode.php

70 lines
1.4 KiB
PHP

<?php
/**
* html2bbcode
*/
function html2bbcode($s) {
// Tags to Find
$htmltags = array(
'/\n/is',
'/\<pre\>(.*?)\<\/pre\>/is',
'/\<p(.*?)\>/is',
'/\<\/p\>/is',
'/\<b\>(.*?)\<\/b\>/is',
'/\<i\>(.*?)\<\/i\>/is',
'/\<u\>(.*?)\<\/u\>/is',
'/\<ul\>(.*?)\<\/ul\>/is',
'/\<li\>(.*?)\<\/li\>/is',
'/\<img(.*?) src=\"(.*?)\" (.*?)\>/is',
'/\<div(.*?)\>(.*?)\<\/div\>/is',
'/\<br(.*?)\>/is',
'/\<strong\>(.*?)\<\/strong\>/is',
'/\<a (.*?)href=\"(.*?)\"(.*?)\>(.*?)\<\/a\>/is',
'/\<code\>(.*?)\<\/code\>/is',
'/\<span style=\"color:(.*?)\"\>(.*?)\<\/span\>/is',
'/\<span style=\"font-size:(.*?)\"\>(.*?)\<\/span\>/is',
'/\<blockquote\>(.*?)\<\/blockquote\>/is',
'/\<video(.*?) src=\"(.*?)\" (.*?)\>(.*?)\<\/video\>/is',
'/\<audio(.*?) src=\"(.*?)\" (.*?)\>(.*?)\<\/audio\>/is',
);
// Replace with
$bbtags = array(
'',
'[code]$1[/code]',
'',
"\n",
'[b]$1[/b]',
'[i]$1[/i]',
'[u]$1[/u]',
'[list]$1[/list]',
'[*]$1',
'[img]$2[/img]',
'$2',
"\n",
'[b]$1[/b]',
'[url=$2]$4[/url]',
'[code]$1[/code]',
'[color="$1"]$2[/color]',
'[size=$1]$2[/size]',
'[quote]$1[/quote]',
'[video]$1[/video]',
'[audio]$1[/audio]',
);
// Replace $htmltags in $text with $bbtags
$text = preg_replace ($htmltags, $bbtags, $s);
call_hooks('html2bbcode', $text);
// Strip all other HTML tags
$text = strip_tags($text);
return $text;
}