include/bbcode.php

   1 <?php
   2 require_once("include/oembed.php");
   3         // BBcode 2 HTML was written by WAY2WEB.net
   4         // extended to work with Mistpark/Friendika - Mike Macgirvin
   5
   6 function bbcode($Text,$preserve_nl = false) {
   7
   8         // Replace any html brackets with HTML Entities to prevent executing HTML or script
   9         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
  10
  11         $Text = str_replace("<", "&lt;", $Text);
  12         $Text = str_replace(">", "&gt;", $Text);
  13
  14         // Convert new line chars to html <br /> tags
  15
  16         $Text = nl2br($Text);
  17         if($preserve_nl)
  18                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
  19
  20         // Set up the parameters for a URL search string
  21         $URLSearchString = "^\[\]";
  22         // Set up the parameters for a MAIL search string
  23         $MAILSearchString = $URLSearchString;
  24
  25         // Perform URL Search
  26
  27
  28         $Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+\,]+)/", ' <a href="$2" target="external-link">$2</a>', $Text);
  29
  30         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/", '<a href="$1" target="external-link">$1</a>', $Text);
  31         $Text = preg_replace("(\[url\=([$URLSearchString]*)\](.+?)\[/url\])", '<a href="$1" target="external-link">$2</a>', $Text);
  32         //$Text = preg_replace("(\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[/url\])", '<a href="$1" target="_blank">$2</a>', $Text);
  33
  34
  35         // Perform MAIL Search
  36         $Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '<a href="mailto:$1">$1</a>', $Text);
  37         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.+?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
  38
  39         // Check for bold text
  40         $Text = preg_replace("(\[b\](.+?)\[\/b])is",'<strong>$1</strong>',$Text);
  41
  42         // Check for Italics text
  43         $Text = preg_replace("(\[i\](.+?)\[\/i\])is",'<em>$1</em>',$Text);
  44
  45         // Check for Underline text
  46         $Text = preg_replace("(\[u\](.+?)\[\/u\])is",'<u>$1</u>',$Text);
  47
  48         // Check for strike-through text
  49         $Text = preg_replace("(\[s\](.+?)\[\/s\])is",'<strike>$1</strike>',$Text);
  50
  51         // Check for over-line text
  52         $Text = preg_replace("(\[o\](.+?)\[\/o\])is",'<span class="overline">$1</span>',$Text);
  53
  54         // Check for colored text
  55         $Text = preg_replace("(\[color=(.+?)\](.+?)\[\/color\])is","<span style=\"color: $1;\">$2</span>",$Text);
  56
  57         // Check for sized text
  58         $Text = preg_replace("(\[size=(.+?)\](.+?)\[\/size\])is","<span style=\"font-size: $1;\">$2</span>",$Text);
  59
  60         // Check for list text
  61         $Text = preg_replace("/\[list\](.+?)\[\/list\]/is", '<ul class="listbullet">$1</ul>' ,$Text);
  62         $Text = preg_replace("/\[list=1\](.+?)\[\/list\]/is", '<ul class="listdecimal">$1</ul>' ,$Text);
  63         $Text = preg_replace("/\[list=i\](.+?)\[\/list\]/s",'<ul class="listlowerroman">$1</ul>' ,$Text);
  64         $Text = preg_replace("/\[list=I\](.+?)\[\/list\]/s", '<ul class="listupperroman">$1</ul>' ,$Text);
  65         $Text = preg_replace("/\[list=a\](.+?)\[\/list\]/s", '<ul class="listloweralpha">$1</ul>' ,$Text);
  66         $Text = preg_replace("/\[list=A\](.+?)\[\/list\]/s", '<ul class="listupperalpha">$1</ul>' ,$Text);
  67         $Text = str_replace("[*]", "<li>", $Text);
  68
  69         // Check for font change text
  70         $Text = preg_replace("(\[font=(.+?)\](.+?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text);
  71
  72         // Declare the format for [code] layout
  73         $CodeLayout = '<code>$1</code>';
  74         // Check for [code] text
  75         $Text = preg_replace("/\[code\](.+?)\[\/code\]/is","$CodeLayout", $Text);
  76         // Declare the format for [quote] layout
  77         $QuoteLayout = '<blockquote>$1</blockquote>';
  78         // Check for [quote] text
  79         $Text = preg_replace("/\[quote\](.+?)\[\/quote\]/is","$QuoteLayout", $Text);
  80
  81         // Images
  82         // [img]pathtoimage[/img]
  83         $Text = preg_replace("/\[img\](.+?)\[\/img\]/", '<img src="$1">', $Text);
  84
  85         // html5 video and audio
  86
  87         $Text = preg_replace("/\[video\](.+?)\[\/video\]/", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
  88
  89         $Text = preg_replace("/\[audio\](.+?)\[\/audio\]/", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
  90
  91
  92         // [img=widthxheight]image source[/img]
  93         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.+?)\[\/img\]/", '<img src="$3" height="$2" width="$1">', $Text);
  94
  95         // Youtube extensions
  96         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.+?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text);
  97         $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);
  98
  99         // oembed tag
 100         $Text = oembed_bbcode2html($Text);
 101
 102         call_hooks('bbcode',$Text);
 103
 104         return $Text;
 105 }