include/bbcode.php

   1 <?php
   2
   3 require_once("include/oembed.php");
   4 require_once('include/event.php');
   5
   6         // BBcode 2 HTML was written by WAY2WEB.net
   7         // extended to work with Mistpark/Friendika - Mike Macgirvin
   8
   9 function bbcode($Text,$preserve_nl = false) {
  10
  11         // Replace any html brackets with HTML Entities to prevent executing HTML or script
  12         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
  13
  14         $Text = str_replace("<", "&lt;", $Text);
  15         $Text = str_replace(">", "&gt;", $Text);
  16
  17         // Convert new line chars to html <br /> tags
  18
  19         $Text = nl2br($Text);
  20         if($preserve_nl)
  21                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
  22
  23         // If we find any event code, turn it into an event.
  24         // After we're finished processing the bbcode we'll
  25         // replace all of the event code with a reformatted version.
  26
  27         $ev = bbtoevent($Text);
  28
  29         // Set up the parameters for a URL search string
  30         $URLSearchString = "^\[\]";
  31         // Set up the parameters for a MAIL search string
  32         $MAILSearchString = $URLSearchString;
  33
  34         // Perform URL Search
  35
  36
  37         $Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+\,]+)/", ' <a href="$2" target="external-link">$2</a>', $Text);
  38
  39         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/", '<a href="$1" target="external-link">$1</a>', $Text);
  40         $Text = preg_replace("(\[url\=([$URLSearchString]*)\](.*?)\[/url\])", '<a href="$1" target="external-link">$2</a>', $Text);
  41         //$Text = preg_replace("(\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[/url\])", '<a href="$1" target="_blank">$2</a>', $Text);
  42
  43
  44         // Perform MAIL Search
  45         $Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '<a href="mailto:$1">$1</a>', $Text);
  46         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
  47
  48         // Check for bold text
  49         $Text = preg_replace("(\[b\](.*?)\[\/b\])is",'<strong>$1</strong>',$Text);
  50
  51         // Check for Italics text
  52         $Text = preg_replace("(\[i\](.*?)\[\/i\])is",'<em>$1</em>',$Text);
  53
  54         // Check for Underline text
  55         $Text = preg_replace("(\[u\](.*?)\[\/u\])is",'<u>$1</u>',$Text);
  56
  57         // Check for strike-through text
  58         $Text = preg_replace("(\[s\](.*?)\[\/s\])is",'<strike>$1</strike>',$Text);
  59
  60         // Check for over-line text
  61         $Text = preg_replace("(\[o\](.*?)\[\/o\])is",'<span class="overline">$1</span>',$Text);
  62
  63         // Check for colored text
  64         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","<span style=\"color: $1;\">$2</span>",$Text);
  65
  66         // Check for sized text
  67         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","<span style=\"font-size: $1;\">$2</span>",$Text);
  68
  69         // Check for list text
  70         $Text = preg_replace("/\[list\](.*?)\[\/list\]/is", '<ul class="listbullet">$1</ul>' ,$Text);
  71         $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/is", '<ul class="listdecimal">$1</ul>' ,$Text);
  72         $Text = preg_replace("/\[list=i\](.*?)\[\/list\]/s",'<ul class="listlowerroman">$1</ul>' ,$Text);
  73         $Text = preg_replace("/\[list=I\](.*?)\[\/list\]/s", '<ul class="listupperroman">$1</ul>' ,$Text);
  74         $Text = preg_replace("/\[list=a\](.*?)\[\/list\]/s", '<ul class="listloweralpha">$1</ul>' ,$Text);
  75         $Text = preg_replace("/\[list=A\](.*?)\[\/list\]/s", '<ul class="listupperalpha">$1</ul>' ,$Text);
  76         $Text = str_replace("[*]", "<li>", $Text);
  77
  78         // Check for font change text
  79         $Text = preg_replace("(\[font=(.*?)\](.*?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text);
  80
  81         // Declare the format for [code] layout
  82         $CodeLayout = '<code>$1</code>';
  83         // Check for [code] text
  84         $Text = preg_replace("/\[code\](.*?)\[\/code\]/is","$CodeLayout", $Text);
  85         // Declare the format for [quote] layout
  86         $QuoteLayout = '<blockquote>$1</blockquote>';
  87         // Check for [quote] text
  88         $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/is","$QuoteLayout", $Text);
  89
  90         // Images
  91         // [img]pathtoimage[/img]
  92         $Text = preg_replace("/\[img\](.*?)\[\/img\]/", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
  93
  94         // html5 video and audio
  95
  96         $Text = preg_replace("/\[video\](.*?)\[\/video\]/", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
  97
  98         $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
  99
 100         $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
 101
 102         // [img=widthxheight]image source[/img]
 103         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/", '<img src="$3" style="height:{$2}px; width:{$1}px;" >', $Text);
 104
 105         if (get_pconfig(local_user(), 'oembed', 'use_for_youtube' )==1){
 106                 // use oembed for youtube links
 107                 $Text = preg_replace("/\[youtube\]/",'[embed]',$Text);
 108                 $Text = preg_replace("/\[\/youtube\]/",'[/embed]',$Text);
 109         } else {
 110                 // Youtube extensions
 111         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text);
 112         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text);
 113                 $Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<iframe width="425" height="349" src="http://www.youtube.com/embed/$1" frameborder="0" allowfullscreen></iframe>', $Text);
 114         }
 115 //      $Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<object width="425" height="350" type="application/x-shockwave-flash" data="http://www.youtube.com/v/$1" ><param name="movie" value="http://www.youtube.com/v/$1"></param><!--[if IE]><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="425" height="350" /><![endif]--></object>', $Text);
 116
 117
 118
 119         // oembed tag
 120         $Text = oembed_bbcode2html($Text);
 121
 122         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
 123
 124         if(x($ev,'desc') && x($ev,'start')) {
 125                 $sub = format_event_html($ev);
 126
 127                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/is",$sub,$Text);
 128                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/is",'',$Text);
 129                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/is",'',$Text);
 130                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/is",'',$Text);
 131                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is",'',$Text);
 132         }
 133
 134
 135
 136         call_hooks('bbcode',$Text);
 137
 138         return $Text;
 139 }